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Nutrition

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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.

red teapot and white cup on wooden table outside with green trees in background

Black tea vs. green tea: Which offers more benefits?

Comparing green tea and black tea, how they're made, and the benefits
blueberries in a purple pitcher

A registered dietitian tells us the best foods to eat for an energy boost

Assorted vegetables sold at a market.

The Whole30 diet: Everything you need to know

fish oil bottle and supplements and fish on a white plate on white table in kitchen

Most people don’t get enough omega-3 fatty acids — here’s why that’s a problem

Bounty of healthy vegetables

These are the healthiest vegetables you need to start eating now

Baby spinach

The important health benefits of magnesium you need to know about

Foods high in vitamin A.

Improve your skin and eyes with these delicious foods high in vitamin A

Avocado cut in half

5 fantastic mood boosting foods to incorporate into your diet

Two fried eggs and salmon served on a blue oval plate.

Try these 11 foods high in vitamin D for healthy bones

Fresh broccoli in a bowl

Cruciferous vegetables are the secret to a healthy diet — here are 9 you should be eating

Wooden spoon with large flakes of salt

Does salt break a fast? The answer may surprise you

candy sugary colorful treats in glass jar on white table

These are the best ways to crush sugar cravings on the keto diet

Plant-based noodle salad

Plant-based diet facts: A beginner’s guide to this lifestyle

Plant-based diets focus on plant foods, but grant some latitude for animal products. Find out more here.
measuring tape wrapped around a silver fork on orange background

The pros and cons of counting calories for weight loss: What you need to know

Here are the pros and cons of calorie-counting for weight loss
collagen powder

Does collagen count as protein? What you need to know about counting your protein macros

Your daily collagen supplement should not count towards your protein macro goals. Here's why.
Steak

Keto vs ketovore diet: What’s the difference?

While the keto diet remains popular, you may have heard the term "ketovore" floating around social media. But what is the "ketovore diet"?
single tea bag, white background

Chamomile tea only gets healthier when you add lavender — here’s why

From helping to fight against inflammation to supporting healthy sleep, the benefits of chamomile lavender tea might just surprise you.
Man preparing a breakfast smoothie in the kitchen

How to make a nutritious smoothie you’ll actually want to drink

Making the perfect smoothie is harder than you think! We reached out to former chef to the pros, Joshua Ingraham, to tell us how.
A close-up of a vitamin D capsule

Here are the benefits of taking vitamin D supplements – what you should know

If you're not getting enough vitamin D by consuming vitamin D-rich foods, then taking a supplement may be what you need. Read about the benefits here.
Blackberries, blueberries, and strawberries in the same container

9 berries you should include in your diet, and why

Learn about the top ten berries to include in your diet regularly for a real health boost.
best pre-workout snacks.

What to eat before a workout: These are the best pre-workout snacks

Fueling before a workout should energize you without making you feel bloated or full. The best pre-workout snacks are here.
An array of meats and cheeses.

Did you know these popular foods are high in saturated fat?

Saturated fat is mainly found in animal foods. See a list of foods high in saturated fat here.
Man and women sharing a meal together

Intuitive eating: The hottest new dieting hack, explained

Intuitive eating is an empowering approach that teaches you to listen to your body's natural hunger signals rather than external dieting rules.
Foods with prebiotics like chicory, beets, and leeks.

14 of the best prebiotic foods you should be eating – from apples to oats and lentils

Prebiotics help support your overall gut health and optimize digestion. Here's a list of the best prebiotic foods to eat right now.
Foods high in antioxidants

Dark chocolate, beets, kale, and more: These 15 foods are high in antioxidants for optimal health

Foods high in antioxidants can reduce your risk of cancer and certain diseases. Find a list of antioxidant foods here.
Cup of bone broth

Bone broth benefits: 9 fantastic reasons to add it to your diet

Bone broth is nourishing and provides protein, collagen, and many valuable vitamins minerals. Find the benefits of bone broth here.
Healthy foods with fruits and vegetables

From Mediterranean to Paleo, these are the best diets for men to look and feel great

There are many popular diets these days, but what are the best diets for men? Find out the top diets for health, weight loss, lowering blood pressure, and more.
Man making a protein shake.

Add these superfoods to your protein shakes to get more nutrients and vitamins

These best superfoods are not called "super" for nothing, as they're guaranteed to power pack your protein shakes and keep you pumped up for the day.
Healthy foods

High protein diets: Everything you need to know

There are many benefits to a high protein diet, including weight loss, muscle recovery, and satiation. Learn what foods to start incorporating.
nuts, oats, oils, and various gluten free food on a tray.

Weight loss 101: 10 surprising foods that can interfere with your goals

Weight loss is top of mind for many, and we've tracked down 10 foods that you might be eating - but can ruin your goals
Bowl of bone broth.

Everything you need to know about the bone broth diet

We dig into the facts behind the bone broth diet so that you can decide for yourself if it's the right option for your health journey.
Happy handsome bearded man is using his smart phone while he preparing vegan healthy breakfast for a lovely family

20/4 intermittent fasting: A sustainable fasting plan that drives results or unnecessary diet fad?

Is a 20/4 intermittent fasting plan right for you? This is everything you need to know.
Peanut butter

Can eating peanut butter reduce stress? The answer might surprise you

Peanut butter can reduce your cortisol levels, which can help eliminate stress
Bird's-eye view of two celery juice drinks on white stone table

Is a celery juice cleanse really beneficial?

Should you go on a celery juice cleanse? These are the benefits and side effects of this trend.
Ginger and Turmeric spices.

Turmeric with ginger and black pepper: Science says taking these herbs and spices together will get you the best results

Turmeric, ginger, and black pepper are all beneficial for your health. Here's why (and how) you should mix them together.
liver and onion on skillet on wood on table next to onions and herbs

Why liver is a superfood (and the best ways to include it in your diet)

Is liver good for you? These are the health benefits you should know.
Animal protein sources

New research finds protein absorption myth is, in fact, a myth

A new study challenges a commonly known fitness 'fact'
bowls of green food

Weight loss tips: How to recover from a diet slip-up, according to experts

You vowed to eat better in 2024, but it's not even the end of January, and you found yourself slipping up. Experts offer their weight loss and diet advice.
spinach and avocado on toast

How to lose weight: Eat these foods that help you feel fuller longer

Weight loss doesn't mean starving yourself. You just have to eat the right foods.
Salmon entree

Here’s why the Mediterranean diet is considered one of the healthiest and most well researched diets in the world

What does the research show about the Mediterranean diet? Here are the evidence-based benefits you should know
A pitcher of avocado oil beside a sliced avocado on a wooden board.

5 benefits of healthy fats and which ones you should be eating

Learn about which fats are actually good for you, what the benefits of consuming them are, and what foods to include in your diet.
Foods high In gluten

11 foods high in gluten to avoid on a gluten-free diet

Need to go gluten-free? Make sure to avoid everything on this list of foods high in gluten and learn about possible alternatives.
Road trip

Jerky, trail mix, chickpeas, and more: Here are the 18 best healthy snacks to munch on during road trips

Road trips are a great way to get away and you don't have to derail your diet. Ahead, find the best healthy road trip snacks that you can pack or pick up.
Close up photo of hand holding vitamin softgel.

Vitamins for energy: Ditch terrible energy drinks and try these natural energy supplements

This is what you need to know about coenzyme Q10, vitamin B12, creatine, and other vitamins for energy.
Pot of green tea

8 incredible reasons you should be drinking green tea – from helping with weight loss to boosting brain function

Green tea is touted for health benefits ranging from weight loss to cancer prevention.
Avocado cut in half

1 of 2 American adults aren’t getting enough magnesium – these foods will help (avocado, tuna, and more)

Foods high in magnesium are vital for many functions in the body, from heart health to quality of sleep. Here's what to eat to get enough of the mineral.
multiple indian spices

Turmeric, cardamom, and more: Indian spices and their surprising health benefits

Indian spices have some amazing health benefits. This is your guide to turmeric, cardamom, ginger, cumin, and more.
Large steak on an open grill.

The low-carb diet guide: How to eat better and optimize your health

Here's our guide to a low-carb diet that can help you lose weight and improve your health.
Person standing on asphalt holding a dumbbell in each hand.

BMI vs set point weight – There’s a clear winner

BMI is a rigid, old standard. Your "Set Point Weight" may be a better indicator of your actual well-being. Here's why.
Collagen supp[lement.

Collagen supplements: We have all the answers to the question – should you take them?

Collagen supplements can provide you with multiple health benefits. Find out more about collagen supplements here.

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