Key Takeaways

  1. If you follow a handful of effective dieting strategies, there’s no reason you have to gain weight during the quarantine. You might even be able to lose some fat.
  2. You’ll want to eat an appropriate calorie intake for your (new) activity levels, eat lots of protein and fiber-rich fruits and veggies, and use a few other tricks to avoid overeating.
  3. Keep reading to learn how to do all of this, including meal planning and food recommendations, and more!

It’s hard to believe that just a few weeks ago, life was business as usual.

Now, we’re just a few weeks into the COVID-19 lockdown, and it’s looking like this will be the “new normal” for at least another few months. 

And us fitness folks are having a time of it.

For one thing, you have to work out from home, and if that weren’t bad enough, some grocery stores are running out of stock on meat, vegetables, fruit, and other healthy staples. 

So you’re probably wondering, how the heck are you supposed to eat healthy through this mess? 

Should you cut, bulk, or maintain? 

And how are you supposed to avoid overeating? 

You’ve probably seen news stories about people binge eating junk food to mollify their frayed nerves, and others grazing throughout the day to mitigate their boredom, leading some people to call weight gained during the lockdown the “quarantine 15” or “COVID-15.”

Well, the good news is that if you know what you’re doing, eating healthy during the quarantine is bat . . . er . . . duck soup. 

In this article, you’ll learn exactly how you should diet to not only avoid getting fat, but to maintain your muscle mass and even lose fat while stuck inside. 

Let’s start at square one: how many calories you should eat.

Should You Lean Bulk, Cut, or Maintain During the Quarantine?

Quarantine Diets


Whether you should lean bulk, cut, or eat enough calories to maintain your weight (“maintain”) during a quarantine depends on your training and your current body composition goals.

If you have access to a well-equipped home gym with a squat rack, bench, and dumbbells, then any of these options are fine. Just keep following your current strength training program and calorie and macronutrient targets, and you’ll keep making progress.

If you’re like the rest of us, though, and you’re stuck putzing around with bodyweight exercises, jerry rigged home workout equipment, and maybe some bands and a dumbbell or two, you’re more limited in your options. 

So, what should you do with your diet?

Well, you probably shouldn’t bulk.

While home workouts can help you effectively maintain muscle and strength and maybe even make some minor gains, they aren’t nearly as effective at stimulating muscle growth as heavy barbell- and dumbbell-based workouts. 

Thus, any extra calories you consume are more likely to be converted into body fat than muscle when you’re doing these kinds of workouts, which makes even lean bulking a poor choice. 

For example, under ideal circumstances (lots of heavy barbell and dumbbell training, high-protein dieting, lots of sleep, etc.) you can expect about half the weight you gain when bulking to be fat and the other half to be muscle. 

When you’re following a subpar workout program (like a bodyweight workout routine), you’ll probably gain even less muscle and more fat.

I don’t know of any scientific studies that would give us an exact ratio of fat to muscle gain in response to bodyweight training, but I wouldn’t be surprised if the majority of weight you gain while “lean” bulking and doing bodyweight workouts is fat instead of muscle. 

That is, while 50% of the weight you gain when barbell/dumbbell training might be muscle, as little as 20 to 30% might be muscle when doing bodyweight workouts.

In other words, lean bulking when you can’t follow an optimal strength training program is highly inefficient. When it comes to your long-term body composition goals, you’re better off waiting to lean bulk until your gym reopens. 

Cutting while quarantined is also problematic for the same reasons.  

Barbell and dumbbell-based training is the most effective way to maintain your muscle mass while restricting your calorie intake, and when you can’t do this kind of training, you run a higher risk of losing muscle and strength while cutting. 

Bodyweight and home workouts can provide enough of a muscle-building stimulus to help mitigate your losses, but holding onto all of your gains after several months of this is a tall order.

That said, if you play your cards right, you probably won’t lose much muscle or strength while cutting during the quarantine. 


Because it takes a much smaller amount of training to maintain your muscle mass and strength than it goes to gain it in the first place. 

An excellent example of this comes from a study conducted by scientists at the University of Alabama on 70 untrained men, about half of whom were young to middle-age (age 20 to 35) and half were elderly (60 to 75).

Everyone did three lower body workouts three times per week, for a total of 27 sets per week. 

After four months of this protocol, everyone made significant gains in muscle mass and strength, with the younger men increasing their thigh muscle mass by about 6% and knee extension one-rep max (1RM) by 38%. The older men also made substantial improvements, increasing their thigh muscle mass by 4% and knee extension 1RM by 36%.

Here comes the interesting part. 

The researchers split everyone into three groups: 

  1. A detraining group that didn’t train at all
  2. A low volume group that trained with 1/3 of their original number of sets (9 sets per week)
  3. A very low volume group that trained with 1/9 of their original number of sets (3 sets per week)

Obviously, a home workout program isn’t the same as a low-volume workout program, but they’re both suboptimal for stimulating muscle growth, so I think it’s fair to lump them into the same boat when it comes to maintaining muscle mass.

Everyone followed their programs for eight months, and then the researchers remeasured their muscle mass and strength to see how well they were able to maintain their gains. 

Here’s what the results looked like: 


On the whole, the younger participants (age 20 to 35) maintained more or less all of their muscle mass and continued to get stronger following the low-volume training programs. The older folks lost significantly more muscle, but continued gaining strength. There aren’t any similar studies to this one on women, but I’d imagine the results would look similar. 

The takeaway? 

If you’re young or middle-aged, you can maintain the bulk of your muscle mass and even continue to gain strength on a very low-volume training plan.

If you’re older, you can still maintain most of your muscle mass on a low-volume training program, but you’ll probably need to do more than younger folks.

Now, there are a few things you should know about this study before you extrapolate the results to your own situation.

One the one hand, these people were new to weightlifting, weren’t in a calorie deficit, and were doing heavy strength training (leg extensions, squats, and leg presses), all of which helps preserve muscle mass. If they were more experienced, cutting, and limited to bodyweight exercises, they probably would have lost a lot more muscle and strength.

On the other hand, this study also lasted eight freaking months. Despite the doom-and-gloom predictions being promoted by the media, it’s unlikely the COVID-19 will last that long, and you’ll probably be able to get back in the gym later this summer. What’s more, the people in this study were allowed to eat whatever they wanted, and likely weren’t following a high-protein diet, which also increased their chances of losing muscle. 

If you do follow a high-protein diet and you’re able to get back to your normal training program sooner than eight months from now, your chances of losing muscle also drop considerably.

So, circling back to our original question about cutting, where does that leave us? 

Here’s my take: 

If you follow a well-designed home workout routine (like this one), eat plenty of protein (more on this in a moment), and maintain a small to moderate (not reckless) calorie deficit, you can probably cut while losing very little to no muscle during your quarantine. 

And what about maintaining—eating about the same number of calories that you burn? 

This is probably the safest option during the quarantine—the equivalent of putting your money in bonds instead of stocks.

You probably won’t gain much of any muscle or strength by maintaining, but you’re also very unlikely to lose any, either.

When you’re eating at maintenance, you can go several months without any kind of strength training without losing muscle. Thus, even following a home workout program can probably help you hold onto your gains for three or four months without losing any muscle. 

If you want to learn how to set your calories for lean bulking (not recommended), cutting (a perfectly viable option), or maintaining (the safest option), read this article: 

How Many Calories You Should Eat (with a Calculator)

Macronutrient Recommendations During Quarantine 

How to stockpile healthy food

First and foremost, make sure you’re eating a lot of protein. 

Following a high-protein diet during the quarantine has a number of benefits

  • It suppresses your appetite far more effectively than carbs or fat
  • It has a higher thermic effect of food (TEF), meaning it requires more calories to digest than carbs or fat
  • It significantly reduces muscle loss, even when you aren’t lifting weights or are following a low-volume workout plan

How much protein are we talking about? 

If you’re lean bulking or maintaining, aim for around 1.8 to 2.2 grams of protein per kilogram of body weight per day.

If you’re cutting, aim for around 2 to 3 grams per kilogram of body weight per day.

Now, if you’re a regular around these parts, you probably knew all that. 

Here’s something you might not know about protein: 

If you find yourself overeating during the quarantine, eating a lot of protein will probably also cause less body fat gain than overeating carbs or fat. 

Multiple studies have found that “overfeeding,” as researchers call it, on vast quantities of protein causes little to no fat gain and may even cause a slight increase in muscle gain when combined with strength training.

For example, a study conducted by scientists at Nova Southeastern University divided 30 healthy, resistance-trained men and women into two groups: 

  1. A normal protein diet group, which ate 1.8 grams of protein per kilogram of body weight per day (the same amount they normally ate). This worked out to around 150 grams of protein per day.
  2. A very high protein diet group, which ate 4.4 grams of protein per kilogram of body weight per day. (An 800 calorie surplus per day). This worked out to just over 300 grams of protein per day.

Otherwise, both groups followed their normal diets and strength programs. The researchers measured the participant’s weight and body composition before and after the study, which lasted eight weeks. The participants also carefully tracked their calorie intake using either an app or a paper journal, and reported the results to the researchers.

The result? 

Despite eating 800 more calories per day than they were burning, the very high protein diet group gained almost exactly the same amount of weight, body fat, and muscle as the normal protein diet group (the very high protein group actually lost a small amount of body fat). 

Now, before you start inhaling fat-free cottage cheese by the cartload, it’s possible that the reason the very high-protein diet group didn’t gain weight was because they were so stuffed they ate significantly less carbs and fat. 

That said, the dietary records did show they were indeed eating about 800 calories more than they burned each day.

So, what does this mean? 

If you’re struggling to control your food intake during the quarantine, you’ll probably gain a lot less body fat if you overeat on protein instead of carbs or fat. 

And don’t worry about running into negative health effects—studies have consistently found that eating even gargantuan portions of protein doesn’t negatively affect otherwise healthy people.  

In terms of your fat intake, you’ll want to set that at about the same level you normally would, or around 20 to 25% of your total calories. 

Finally, you’ll want to fill your remaining “calorie budget” with carbs. 

A good rule of thumb when quarantined would be something like 40% protein, 40% carbs, 20% fat.

Or, if you want to try the very high protein diet like that used by the people in this study, your macros would be more like 50% protein, 30% carbs, and 20% fat.

For example, I weigh 170 pounds, and since I’m cutting, I’m eating around 12 calories per pound of body weight per day (~2,000 calories). 

If I followed the 40/40/20 option, my macros would look like this: 

  • 200 grams of protein
  • 200 grams of carbs
  • ~45 grams of fat

And if I followed the 50/30/20 option, my macros would look like this: 

  • 250 grams of protein
  • 150 grams of carbs
  • ~45 grams of fat

Keep in mind that if you want to follow the very high protein option and overeat, you shouldn’t use a percentage of your total daily calorie intake to estimate your protein intake (this will produce some very high and very gastrointestinally-disturbing numbers).

Instead, you want to set your protein intake at 2 grams per pound of body weight (~4.4 grams per kg), set your fat intake at 20% of calories, and fill in the rest of your calorie budget with carbs. 

Here’s what that would look like for me.

I normally eat around 3,000 calories per day to maintain my weight. Let’s say I decide to eat 3,500 calories per day.

First, I’d set my protein intake:

170 (my body weight) x 2 (grams of protein per pound of body weight) = 340 grams of protein per day.

Each gram of protein contains 4 calories, so this means I’m eating around 1,360 calories worth of protein per day.

Next, I’d set my fat intake:

3,500 (my calorie intake) x 0.2 = ~78 grams of fat per day.

Each gram of fat contains 9 calories, so this means I’m eating around 700 calories worth of fat per day.

Then I figure out how many calories I have remaining:

3,500 – 700 (calories from fat) – 1,360 (calories from protein) = 1,440 calories remaining.

As each gram of carbohydrate contains about 4 calories, you’d simply divide your remaining calories (1,440) by 4 to see how many grams of carbs you should eat per day.

1,440 / 4 = 360 grams of carbs per day.

Thus, my final overeating-with-minimal-fat-gain macros would be: 

  • 3,500 calories
  • 340 grams of protein
  • 360 grams of carbs
  • 78 grams of fat

Now, I don’t recommend you do this (there’s no reason to overeat unless you’re lean bulking or celebrating, and methinks both of those can wait until the quarantine is over), but if you do overeat, this is the best way to limit the fallout.

If you want to know more about exactly how turn your daily calorie intake into a set of macronutrient targets, check out this article: 

This Is the Best Macronutrient Calculator on the Net

How to Avoid Overeating During a Quarantine

How to manage stress eating during coronavirus

While the COVID-19 quarantine hasn’t done the economy any favors, it has spiked sales of a few food products. You know, healthy stuff like . . . 

  • Oreos
  • Potato chips
  • Popcorn
  • Spam
  • Processed meat
  • Mac and cheese

. . . and other armageddon fare. 


Well, many people are turning to food to allay their fear and boredom. 

Others look at any disruption in their normal routine as an excuse to pig out on junk food.

And there’s probably a few silly souls who truly believe Ragnarök is upon us, and are determined to inhale as much sugar, salt, and fat as they can before they leave their corporal problems behind.

In any case, don’t be that guy (or gal). 

Being stuck indoors doesn’t have to make healthy eating more difficult. 

Sure, it might be harder to find a few of your usual staples, but with some small changes to your diet and daily routine, there’s no reason you can’t maintain your current body composition or even lose fat during the quarantine.

Here’s how:

  1. Stay busy. 
  2. Eat more protein.
  3. Eat more fiber and low-energy density foods.
  4. Minimize your consumption of alcohol, sugar, and highly processed foods.
  5. Prepare your own meals (minimize take-out and delivery).
  6. Follow a meal plan.
  7. Chill out.
  8. Change your expectations.
  9. Keep working out.
  10. Weigh yourself every day (or don’t weigh yourself at all).

Let’s quickly review each point.

Stay busy. 

One of the single best ways to avoid overeating is to find something else that’s more interesting to focus on.

Maybe it’s reading a book, learning a new skill, taking an online course, or diving deeper into your day job. Whatever it is, it’s better than ruminating on your predicament and turning to food to calm your nerves and fill your time and stomach.

Check out this article if you want to learn how to fill your time productively during the quarantine: 

My Guide to Staying Fit, Productive, and Sane While Self-Quarantined

Eat more protein.

As you learned a moment ago, protein is far more satiating than carbs or fat, and the more protein you eat, the less tempted you’ll be to indulge in other junk. 

Aim to have 40 to 60 grams of protein or more with each meal, and try to eat your protein-rich foods at the beginning of your meal, before you have a chance to fill up on other, higher-calorie foods.

Some good sources of protein include things like: 

Check out these articles for delicious high-protein recipes: 

20 Healthy Chicken Recipes That You’ll Be Excited to Eat

9 Healthy Fatty Fish Recipes

20 Healthy Ground Beef Recipes That Make This Meat Great Again

20 Pork Chop Recipes That Take Dinner from Bland to Grand

5 Low-Fat Greek Yogurt Recipes That Are Better Than the Traditional Dishes

20 Meatless High-Protein Recipes That You’ve Got to Try

20 Protein Powder Recipes You Won’t Have to Choke Down

Eat more fiber and low-energy density foods.

Search Results Web results Food and nutrition tips during self-quarantine

After high-protein foods, high-fiber foods like fruits, vegetables, and whole grains tend to be the most satiating per calorie.

During the quarantine, try to consume low-calorie fruits and vegetables like apples, berries, watermelon, broccoli, zucchini, and cauliflower with every meal, and if you need the extra calories, then you can also consume some whole grains like barley, brown rice, and quinoa. 

(Keep reading to see more food recommendations!)

Read this article to learn more about the importance of high fiber foods: 

How Much Fiber Should You Get Every Day and Why?

Minimize your consumption of alcohol, sugar, and highly processed foods.

None of these foods are inherently fattening, but chances are good you aren’t exercising or moving as much as you usually do, and thus you have a smaller calorie budget for indulgences like these. 

A good rule of thumb is to limit your intake of alcohol, sugar, and processed foods to less than 20% of your total calories, with less than that being even better.

Read this article to learn more about how to strategically include foods like this in your diet: 

How to Get the Body You Want With Flexible Dieting

Prepare your own meals (minimize take-out and delivery).

If your normal diet involves a lot of take-out and restaurant meals, now’s the perfect time to get in the habit of preparing your own meals. 

Not only will you save money, you’ll also eat healthier and have a better idea of how many calories and grams of protein, carbs, and fats you consume each day (which makes meal planning and managing your body composition much easier).

Speaking of meal planning . . . 

Follow a meal plan.

A meal plan is like a personal schedule for your diet. It tells you exactly what to eat, how much, and when to achieve your health and body composition goals. 

Not only does this guarantee results, it’s also a lot more enjoyable and time efficient than tracking your meals on the fly using a calorie-counting app like MyFitnessPal. It’s also a particularly good idea if you’re the kind of person who tends to use food to abate boredom and stress. 

Just create a meal plan, only eat the foods on your plan in the right amounts, and you’ll emerge on the other side of this societal lockdown looking about the same way you did before (or even better).

If you want to learn how to create an effective meal plan, read these articles and follow the instructions: 

The Definitive Guide to Effective Meal Planning

7 Tips for Making Perfect Meal Plans for Weight Loss

How to Make Meal Plans That Work For Any Diet

Chill out.

Brush up on the facts surrounding COVID-19. Yes, a lot of people are infected. Yes, the stonk market looks like a roller coaster. And yes, daily cases are still rising for the time being. 

But no, it’s not the end of the world, and many of the early estimates about mortality rates have proven to be exaggerated or based on faulty data. 

Life will be more inconvenient for a while, but there’s no reason to let this shatter your psyche to the point your only solace is bingeing on food. 

Stay optimistic but prepared, stick to your normal routines and habits as best you can, and things will probably work out in the end. 

Change your expectations.

how long should you workout each day

If you had planned on cutting aggressively to get in shape for summer, or carefully lean bulking to gain muscle and strength, it’s probably best to put those plans on hold for now.

While cutting is fine if you follow the steps outlined in this article, bulking is probably a bad idea. The safest option would be to simply try to maintain your current strength and muscle mass, and then pick up where you left off after this whole brouhaha has subsided and life is mostly back to normal. 

Keep working out.

There are five main reasons for this: 

  1. It’ll help you stay in the habit of working out. 
  2. It’ll help you maintain your strength and muscle mass.
  3. It’ll help you avoid weight gain and maybe even lose some weight (if you’re cutting, too).
  4. It’ll help you maintain your sanity (what else have you got to do?).
  5. It’ll make you feel better. 

Check out this article to learn how to work out during the quarantine: 

The Best Home Workout Routines for When You Can’t Go to the Gym

Weigh yourself every day (or don’t weigh yourself at all).

Whether or not you keep weighing yourself during the lockdown depends on your personality.

If you’re an experienced dieter and you know not to get too worked up over increases or decreases in your scale weight, it’s a good idea to keep weighing yourself as a form of accountability. After all, research has consistently shown that people who keep tabs on their body weight tend to do a better job of managing it. 

On the other hand, if seeing the number on the scale not move or even go up tends to take the starch out of you or raise your hackles, it’s probably better if you don’t weigh yourself during the quarantine.

Just stick to the steps in this article, trust the process, and don’t worry too much if your weight goes up or down a little. 

Foods to Buy During a Quarantine

Assuming your grocery store isn’t out of stock of anything, then you can of course keep buying whatever you normally do. 

If your grocery store does happen to be out of some of your chief healthy staples, peruse these lists and see if you can find any close substitutes. You might be surprised at what you find.

For example, my local grocery store shelves were devoid of any chicken, but there were at least 15 frozen turkeys just waiting to be devoured.

Frozen Meat

  • Beef
  • Fish like salmon, tilapia, cod, etc.
  • Shrimp and shellfish
  • Pork
  • Turkey
  • Chicken

Canned Vegetables and Legumes

  • Carrots
  • Green beans
  • Tomatoes
  • Peppers
  • Beats
  • Black-eyed peas
  • Chickpeas
  • Lentils
  • Kidney beans
  • Peas

Canned and Dried Fruits

  • Peaches
  • Pears
  • Pineapple
  • Raisins
  • Craisins
  • Dates
  • Figs
  • Mango
  • Apricots

Nuts and Nut Butters

Here are the nuts:

  • Peanuts
  • Walnuts
  • Hazelnuts
  • Almonds
  • Cashews
  • Pistachios
  • Macadamia nuts

And then the nut butters: 

  • Peanut butter
  • Almond butter
  • Cashew butter
  • Sun butter

Shelf-Stable Grains

  • Brown and white rice
  • Barley
  • Whole wheat pasta
  • Bulgur
  • Quinoa
  • Oats

Canned or Smoked Fish


It’s shelf stable, high in calories, and delicious.

(Pro tip: 60+% cocoa dark chocolate tends to be more shelf-stable and resistant to melting than milk chocolate).

Beverages and Condiments

  • Coffee
  • Tea
  • Canned or powdered milk
  • Ketchup
  • Hot sauce
  • Mustard
  • Mayonnaise
  • Jam
  • Barbecue sauce

What about supplements? Keep reading!

What Supplements Should You Take During a Quarantine?

supplements to boost immune system

If you’re hamstringing your immune function by making a bunch of obvious health blunders like not sleeping enough, not following a healthy diet, not exercising, and so forth, no amount of supplements will protect you from disease.

That said, if you are doing everything else right, then there are a few supplements you can take that are scientifically proven to support healthy immune function.

The main ones are . . . 

  • Pelargonium sidoides
  • Tinospora cordifolia
  • Garlic
  • American ginseng
  • Zinc
  • Vitamin D

Pelargonium Sidoides

Pelargonium sidoides (also known as African geranium and black geranium) is an herb long used in South African traditional medicine.

It contains several molecules, including umckalin and related substances, that prevent bacteria from adhering to cells, making it harder for them to affect you.

This is why research shows that supplementation with Pelargonium sidoides dramatically reduces the duration and severity of acute bronchitis. It may also reduce the duration and severity of the common cold.

The clinically effective dose of Pelargonium sidoides is around 800 mg of the raw plant.

You can find 266 mg of Pelargonium sidoides in each serving of our immune-support supplement, Immune

We chose this amount per serving because we intend for people to take several servings per day when around sick people or sick themselves.

Tinospora Cordifolia

Tinospora cordifolia (also known as guduchi and amrit) is a shrub native to India that’s been used in Ayurvedic medicine for centuries.

It contains molecules known as polysaccharides and terpenoids that increase the killing capacity of macrophages, which are cells that help destroy harmful bacteria and viruses.

This is why research shows that supplementation with Tinospora cordifolia reduces nasal congestion and discharge and sneezing.

The clinically effective dose of Tinospora cordifolia is 300 mg.

You can find 300 mg of Tinospora cordifolia in each serving of our immune-support supplement, Immune

We chose this amount per serving because Tinospora cordifolia can be safely and effectively supplemented up to 900 milligrams per day (and we intend for people to take several servings of Immune per day when they’re around sick people or sick themselves).



Garlic is a plant in the onion family that’s often used as a food flavoring. 

It’s known for its pungent, spicy flavor, but as a bioactive food rich in sulfur compounds, it’s also been used for centuries in traditional medicine and as a supplement. 

Aged garlic extract is a substance made from garlic that’s been aged for several weeks or months to reduce odor and enhance nutritional properties.

One of the compounds garlic contains is an antioxidant known as S-allylcysteine, which supplies the body with sulfur. This aids the immune system by improving the body’s ability to fight off pathogens.

That’s why research shows that supplementation with aged garlic extract reduces the severity of colds and flus and improves vitality and well-being when sick.

An example of this comes from a 12-week study conducted by scientists at the Garlic Center in East Sussex. In it, scientists found that daily supplementation of allicin (one of the sulfur compounds in garlic) reduced the number of colds (and their duration) in a group of 146 volunteers.

Beyond the immune system benefits, studies also show that supplementation with aged garlic extract lowers blood pressure, improves blood flow and arterial health, improves cholesterol profile, and increases activity of the antioxidant enzyme glutathione, which reduces oxidative stress in cells.

The clinically effective dose of aged garlic extract is between 600 and 1,200 mg.

You can find 300 mg of aged garlic extract in each serving of our immune-support supplement, Immune

We chose this amount per serving because we intend for people to take several servings per day when around sick people or sick themselves.

Panax Quinquefolius

Panax quinquefolius (also known as American ginseng and North American ginseng) is an herb that grows mainly in North America and China and has long been used in traditional Chinese medicine.

It contains molecules known as saccharides that stimulate the immune system, improving its ability to fight off harmful invaders.

This is why research shows that supplementation with Panax quinquefolius reduces cold and flu infection rates.

The clinically effective dose of Panax quinquefolius is between 400 and 1,125 mg.

You can find 300 mg of Panax quinquefolius in each serving of our immune-support supplement, Immune

We chose this amount per serving because we intend for people to take several servings per day when around sick people or sick themselves.


Zinc is a mineral used to create enzymes, proteins, and cells, release vitamin A from the liver, and regulate immune function.

It aids the immune system by enhancing the development and function of several types of cells that are vital to its operations.

This is why research shows that a zinc deficiency increases infection rates of various pathogens and supplementing with it when sick reduces the duration and severity of sickness.

The clinically effective dose of zinc for the purposes of preventing a deficiency is 8 to 11 mg per day, and for reducing the duration and severity of sickness, using a lozenge that provides 80 to 100 milligrams per day is ideal.

It’s worth noting that the tolerable upper intake level of zinc is 40 milligrams per day. So, if you take zinc lozenges that provide high doses, only use them when you’re sick (or feel you might be getting sick) rather than every day. Plus, high doses of zinc (like from a lozenge) can cause nausea

You can find 2 mg of zinc in each serving of our immune-support supplement, Immune

We chose a small amount of zinc per serving for two reasons:

  1. So people can take it alongside our multivitamin, Triumph, which contains 30 milligrams of zinc per serving, without exceeding the upper tolerable limit of daily zinc consumption or experiencing nausea.
  2. The studies demonstrating zinc’s effectiveness when sick used lozenges, and we can’t be sure oral supplementation would be equally effective.

That said, if you’d like to bump up your zinc intake when around sick people or sick yourself, research shows that lozenges providing 80 to 100 milligrams per day is ideal.

Vitamin C

Vitamin C is an antioxidant that helps maintain healthy tissues, teeth, and gums, promote wound healing, and support immune function.

It aids the immune system by assisting with the development and function of several types of cells that are vital to its operations.

This is why research shows that an inadequate intake of vitamin C increases infection rates of various pathogens and supplementing with it when sick with the common cold reduces the duration of sickness.

Studies also show that in athletes, daily supplementation of vitamin C reduces the risk of the common cold.

The clinically effective dose of vitamin C for the purposes of reducing the duration of the common cold is between 1 and 8 grams per day, with higher doses generally used for the first day or two of sickness and followed by a lower daily amount.

And for athletes wanting to prevent sickness, the clinically effective dose of vitamin C is 1 to 2 grams per day.

You can find 500 mg of vitamin C (as ascorbic acid) in each serving of our immune-support supplement, Immune

We chose this amount per serving because we intend for people to take several servings per day when around sick people or sick themselves.

Vitamin D

vitamin D

Vitamin D is a fat-soluble vitamin that’s found in food and naturally produced in your body in response to sun exposure. 

Nearly every cell in the body has vitamin D receptors, and it plays a vital role in many physiological processes including proper heart function, insulin sensitivity, neurological function, bone growth, and immune function.

While there’s still much we don’t know about how vitamin D affects immune health, several studies show that supplementing with it may improve immune function. 

In a study conducted by scientists at the University of Colorado, researchers gave 107 older men and women varying doses of vitamin D for 12 months. They found that after a year of supplementation, the group receiving the highest dose of vitamin D experienced 40 percent fewer respiratory infections than those who received the standard dose.

These results were bolstered by a systematic review and meta-analysis published the same year by scientists at Queen Mary University, which analyzed 25 randomized controlled trials involving 11,000 participants. 

The researchers found that, “Vitamin D supplementation was safe and it protected against acute respiratory tract infection overall.” Unsurprisingly, the people who were the most vitamin D deficient benefitted the most from supplementation.

Not all studies have found results this impressive, but considering the many benefits of maintaining healthy vitamin D levels (and the many downsides if you don’t), supplementing is a wise choice. 

How much vitamin D should you take per day to maintain optimal levels? 

According to a review of the vitamin D literature conducted by a committee of scientists from the U.S. Endocrine Society and published in 2011, 600 to 1,000 IU per day is adequate for ages 1 to 18, and 1,500 to 2,000 IU per day is adequate for ages 19+.

You can find 2,000 IU of vitamin D (as cholecalciferol) in each serving of our sport multivitamin, Triumph.

We chose this amount per serving because research shows it’s enough to prevent deficiency in most people who are eating an otherwise healthy diet, although the only way to know exactly how much vitamin D to consume is to get your levels checked and adjust your dose accordingly.

The Bottom Line on How to Eat When Quarantined

Eating healthy during the quarantine doesn’t have to be a chore. In fact, if you follow the tips in this article, you may even eat healthier during this lockdown than you did before. 

First of all, bulking is probably not a good idea right now (even lean bulking). Instead, either eat roughly the same number of calories you burn or cut. If you just, just make sure you’re also following an effective home workout routine (like this one!).

Second, if you’re having trouble controlling your calorie intake right now (as many people are), use these tips to reign in your eating habits: 

  • Stay busy
  • Eat more protein
  • Eat more fiber and low-energy density foods
  • Minimize your consumption of alcohol, sugar, and highly processed foods
  • Prepare your own meals (minimize take-out and delivery).
  • Follow a meal plan
  • Chill out
  • Change your expectations
  • Keep working out
  • Weigh yourself every day (or don’t weigh yourself at all)

Even if your grocery store is running low on a few of your favorite healthy foods, you should be able to cobble together tasty, healthy, macro-friendly meals from the food recommendations in this article. 

Finally, although supplements are no silver bullet against disease, there are safe, natural, effective supplements you can take that will support healthy immune function. 

You can find clinically effective dosages of these ingredients in our immune-support supplement, Immune.

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