Skip to main content

Nutrition

About

Need to know the best foods for magnesium? What about the best supplements for you? We’ve got you covered! Everything you ever wanted to know about nutrition is right here on The Manual.

A close-up of watermelon slices.

The benefits of watermelon as a post-workout recovery food

The benefits of watermelon are great reasons to add this fruit to your post-workout routine. Let's cut this melon's secrets open and see why it's a super fruit.
F

The golden wonder of flax: How to eat flaxseed for health and vitality

Erythritol

Is erythritol harmful? What a dietitian says recent data means for your keto diet

Man with bloated tummy.

Wondering how to get rid of bloating? The best foods to beat belly bloat

Red apple with measuring tape around it

Can an OMAD diet help you with weight loss? What you need to know

Mookie Betts playing baseball

MLB star Mookie Betts travels with his own portable kitchen so he can eat healthy no matter where he goes

Gluten free cereals corn, rice, buckwheat, quinoa, millet, pasta and flour with scratched text gluten on brown wooden background,overhead horizontal view

The pros and cons of a gluten-free diet, according to an expert

Salmon entree

The Mediterranean diet: Everything you need to know about everyone’s favorite diet

an acv shot on table

Apple cider vinegar: Should you really be taking shots of this pungent potion?

Chicken breast and broccoli

What UFC champions Sean O’Malley and Aljamain Sterling eat while cutting weight in fight week

Closeup view of man with slim body in oversized jeans on grey background. Weight loss.

This weight loss chart may be the secret key to a slimmer physique

Apples on an apple tree

How many apples should you really eat? RDs reveal all (plus, their best snack ideas)

A man with a towel over his shoulder eating a banana.

What to eat after a workout: 9 post-workout meals to try

Whether you're looking for the right post-workout snack or post-workout meal, this is what to eat after a workout.
Fiber in beans

Load up on high-fiber foods: Your guide to getting enough fiber in your diet

Discover which of your favorite foods are rich in fiber and will help you meet your daily fiber goal. Also, discover fiber's many benefits.
sports powder

What is creatine? Bodybuilders swear by it, but should you use it?

Whether you're a seasoned lifter or just starting out, this article will give you the lowdown on creatine and help you decide if it's right for you.
Sliced raw sweet potato.

10 benefits of sweet potatoes that prove you should eat more of them

Sweet potatoes are as good for you as they are delicious. Read on to find out why you should add more sweet potato recipes to your meal plan.
pumpkin soup on white napkin

5 gut-friendly ways to get your pumpkin fix this fall, according to RDs

Pumpkin is a fan-favorite fall food, but is it good for gut health? Two registered dietitians reveal all.
Foods with prebiotics like chicory, beets, and leeks.

11 of the best prebiotic foods you should be eating

Prebiotics help support your overall gut health and optimize digestion. Here's a list of the best prebiotic foods to eat right now.
Ft. Wayne - Circa August 2017: Costco Wholesale Location. Costco Wholesale is a Multi-Billion Dollar Global Retailer X

Costco has a secret online store, Costco Next, that any member can access – here’s how

Did you know Costco has a secret online store named Costco Next? It's true! Here's how to access it
Protein food sources on a surface next to a bar bell

Muscle-building diet: How (and what) to eat to build muscle and trim fat

Want to build muscle and lose fat? Who doesn't?! This is our best advice for creating a muscle-building diet.
Salad

Is the OMAD diet safe? Here’s what an expert says

Intermittent fasting diets are thought to be healthy for some people, but what about the OMAD (One Meal a Day) diet? Here's our investigation.
Fresh Watercress bundle

The CDC just released its list of top superfoods, and we bet you’re not eating most of them

These are the absolute top 5 superfoods, according to the CDC.
Veggies

The best foods for prostate health (and what to avoid)

Eat these nutritious, tasty foods to take care of your prostate health and help delay or prevent prostate issues.
Salmon entree

Your complete guide to the South Beach diet

Discover everything you need to know about the South Beach diet and how it could help you lose weight and get healthy.
Vegan sign behind food plate

Study finds that labeling meals ‘vegan’ makes people less likely to choose them

A recent study conducted at the Massachusetts Institute of Technology (MIT) indicates that meat-eaters are far less likely to choose plant-based meals when they're described using the word "vegan."
Carton of brown eggs.

Need an egg substitute for baking? These are the absolute best

Whether you need an egg substitute for cookies, brownies, or cake, we’ve got a few delicious options for you.
Man drinking water in the sunlight

More than just Gatorade: Replenish your electrolytes with these healthy foods

In this article, we'll cover the best natural sources of electrolytes, like fruits, vegetables, dairy products, nuts, and seeds.
Turkey being carved on a cutting board.

10 foods high in tryptophan to help you sleep better

Looking to sleep better? Try eating foods high in tryptophan for a better night's sleep.
Healthy omelet.

Should you follow the anti-inflammatory diet? (If you’re a fan of the Mediterranean diet, yes)

Discover the potential pros and cons of the anti-inflammatory diet and what you can and can't eat with this meal plan.
Man drinking from water bottle on mountain

How much water should you drink in a day? The truth will probably surprise you

How much water should you drink in a day? The answer is not a straight one and may surprise you. Here's what the current guidelines state.
Trader Joe's sign

You should never buy these 8 foods at Trader Joe’s — here’s why

Here are a few things to cross off this week's Trader Joe's grocery list.
Strawberries and cherries in a bowl

The best diet for gout: What to eat and what to avoid

Learn about what foods to consume and to avoid if you are suffering from gout. Lifestyle changes can help make a difference.
Red meat prepared with rosemary and ready to cook.

Your complete guide to the Dukan diet: Everything you need to know

Want to try the Dukan diet? Learn about what you can and can't eat, the benefits, and the potential adverse effects.
Meal prep

What are macronutrients? Understand the key to healthy eating

Learn about protein, carbohydrates, and fat to discover the roles they play in your body and why you don't want to omit one.
Honey

Is honey a superfood? Here are 11 reasons we think so

Raw honey can provide various health benefits from aiding digestion to soothing sore throats. Find out more here.
Various legumes in a mix.

Why molybdenum is an essential nutrient (and the best ways to include it in your diet)

Learn everything you need to know about molybdenum, including the ideal food sources to incorporate into your meals.
Man carrying weights.

How to get rid of your love handles quickly, according to a fitness expert

We show you the best exercises and diet habits to follow to get rid of love handles. Start transforming your body now!
Granola and fruit.

11 delicious high-carb foods that are actually healthy for you

Carbohydrates provide sustainable energy, and eating foods high in complex carbohydrates provides you with all-day-long fuel.
Hummus, veggies, and crackers.

The Mayo Clinic diet: Everything you need to know about this doctor-approved regimen

Learn about the benefits of the Mayo Clinic diet and what foods you can and can't enjoy with this healthy way of eating.
Man eating a banana before a run

What to eat before a run or race to optimize performance: A complete guide

Want to perform your best on your upcoming run? You need to give your body the right fuel. Learn the best pre-race meals and snacks here.
Sourdough bread

These 10 foods high in probiotics can help with stomach issues

How do you improve your gut health, digestion, and your overall health you ask? With these foods, that's how.
A bowl of a keto-friendly dish on a table.

Everything you need to know about the Atkins diet

Wanting to see if the Atkins diet is right for you? Learn about what you can eat on the diet and the pros and cons.
Asian pears on tree

Your ultimate guide to summer produce — the delicious fruits and veggies that are in season

These are the stars of the summer produce section, when you should look for them, and why you should be eating them more often.
Bowls of bone broth on a tray

Treat your body: These are the best foods high in collagen

Collagen helps with healthy joints and skin and can be found in everyday food. Here's what you need to be eating for your joints and skin.
Bacon frying in pan

Need to reduce your daily sugar intake? Eliminate these surprising foods

Sneaky sugar will creep up out of nowhere if you aren't careful. To help you be better prepared, here is a list of foods sugar loves to hide in.
Boiled eggs on toast.

DASH diet 101: A meal plan and beginner’s guide

The DASH diet is recommended for people with hypertension, as it helps reduce blood pressure, aids with weight loss, and improves your health.
Canned soup is high in sodium.

Your guide to the low-sodium diet (plus, a simple meal plan to follow)

A low-sodium diet can reduce blood pressure and improve heart and kidney function. Find out what to eat and what to avoid on a low-sodium diet.
A man in white sweater touching his aching stomach.

Is there a cure for IBS? Here’s what the experts say

If IBS is a part of your life, here's what the experts say about what causes it, if there's a cure, and how to live with the disorder more comfortably.
Air-popped popcorn in a bowl

Got the munchies? Good healthy snacks don’t have to be boring

You don't have to give up tasty snacks just because you're trying to eat healthy. Check out some of our favorite healthier snacks.
Bottle of olive oil

12 delicious foods high in vitamin E for skin, hair, and heart health

Vitamin E is a fat-soluble vitamin that acts as an antioxidant. Learn about the foods highest in vitamin E here.

Advice

Workouts

Equipment

Therapy and recovery