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Nutrition

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.

Man holding spoon and fork in between a clock placed on a plate

Intermittent fasting: All the benefits, and why you should try it

Overhaul your eating habits and learn about the many benefits and different types of intermittent fasting and why you should give it a try.
Woman with hands pushed out, refusing to eat white bread slice on chopping board

The beginner’s guide to going gluten-free

Cups of long black coffee

Coffee on the carnivore diet: Do you need to give it up?

Overnight oats

9 healthy carbs for breakfast to stay focused and energized all day

Man happy smiling holding his child

Want to lose the dad bod? Follow these tips from a fitness expert

Baked oatmeal

How baked oatmeal can fuel your day longer than overnight oats

whey protein powder and dumbbell background ,Sports nutrition. Fitness or healthy lifestyle concept.

Does collagen protein build muscle? Tips for the most gains

Beef tallow.

Is beef tallow good for you? Learn the pros and cons

A chia seed, kiwi yogurt parfait

13 high-fiber, low-carb foods to boost digestion and energy

Road trip

18 best healthy road trip snacks to enjoy on the go

Standing on a scale weighing body weight

Does mushroom coffee help you lose weight? Here’s what to know

Steak on a cutting board

How much protein is in steak? Here’s a breakdown of how much you’re getting

Close-up of hand holding soft gel vitamin

Vitamins for energy: 4 natural energy boosters you need to try

This is what you need to know about coenzyme Q10, vitamin B12, creatine, and other vitamins for energy.
man lifting barbell strong muscle

Your guide to lean muscle growth: How to achieve a toned, athletic physique

Are you wanting to build lean muscle and achieve an athletic physique? Discover essential nutrition and workout tips for the best results.
An overhead shot of a bowl of grilled chicken salad on a table

Does the V Shred diet actually work? Everything you need to know

V Shred is a popular company, but is the diet plan right for you? Learn everything you need to know about the V Shred diet before making a decision.
Paleo pudding

9 tasty paleo diet snacks that will keep you on track

Are you following the paleo diet but aren't sure what snacks you can enjoy? Discover some nutritious options that are easy to prepare.
Animal protein sources

How to find the protein-to-calorie ratio for your ideal physique

Are you chasing a fitness goal but aren't sure how many calories and grams of protein to eat? Discover the ideal ratio for you.
Man in gym taking supplement drinking protein shake powder electrolyte mineral

Do electrolytes break a fast? The truth about fasting and hydration

Are you currently fasting and wondering if you can have electrolytes? Discover whether electrolytes break a fast and their many benefits.
Eggs of different shades of white and brown sitting in carton

Missing eggs? Try these high-protein swaps for your meals

With egg pricing soaring and shortages leaving grocery store shelves empty, Americans are scrambling to find new ways to replace eggs and maintain a balanced diet without this kitchen staple.
Man in gym taking supplement drinking protein shake powder electrolyte mineral

Is your BCAA supplement speeding up aging? What new research reveals

BCAAs are a common supplement among gym-goers, but research has found it may not be all that it seems. Discover how isoleucine could be affecting your lifespan.
Baked artichokes

11 high-fiber vegetables that support gut health

Are you looking to improve your gut health by implementing more fiber-rich foods into your diet? Discover the 11 vegetables highest in fiber.
creatine powder

Does creatine help you lose weight? The truth revealed

Are you on a weight loss journey and wondering if creatine can be an asset? Discover all the benefits of this popular supplement.
Veggies

Veggies, seeds, and more: 12 best foods for prostate health (and what to avoid)

Looking for the best foods for prostate health? Eat these 12 nutritious, tasty foods to help delay or prevent prostate issues.
Seed oil

Are seed oils bad for you? 4 healthy alternatives to consider

Are seed oils bad for you? Discover the pros and cons and some healthier alternatives to try.
Man applying face mask in mirror

From nuts to salmon, the 14 best foods for healthy skin for men

The best foods for healthy skin for men to prevent skin aging, acne, psoriasis, wrinkles, and sun damage. Learn what to start eating for your healthiest skin.
man laying on couch sleeping with messy table empty food plates glasses

Is sleep more important than diet or exercise? An expert weighs in

According to Dr. Sajad Zalzala, Co-Founder and Medical Director of AgelessRx, sleep health is often overlooked in traditional healthcare, and most people lack solutions guided by a physician.
Mayo Clinic Foods

New Mayo Clinic Diet plan adds heart-healthy twist to Mediterranean Diet

The new, 12-week Superfoods Meal plan is packed with unprocessed real foods and a variety of cardio-protective foods, designed to take the questioning about preparing heart-healthy meals.
A bowl of cereal and a spoon

The best healthy cereals for men, according to a registered dietician

Cereal is a popular breakfast food, but not all of them are healthy. Find out which cereals are the healthiest for men.
Strong man with back muscles shirtless

Magnesium for muscles: How the mineral promotes relaxation and recovery

Are you looking for a way to support muscle function and prevent cramping? Discover the best sources of magnesium and how it plays a role.
Broccoli on a chopping board

The chromium benefits you should know about (and the best food sources for you)

Chromium isn't a nutrient most people pay attention to, so be sure to have these foods on your shopping list to reap the chromium benefits.
Man drinking water

Your electrolyte powder buying guide for optimal hydration

Are you consistently in the gym and worried about optimizing your hydration? Learn everything you need to know in our electrolyte powder buying guide.
Weight loss scale black and white doctor office weighing scale

How to lose 5 pounds in a week — and is it even realistic for you?

Do you have a goal of losing five pounds in a week? Discover whether it's realistic and essential nutrition and exercise tips to help.
Sliced fresh guava

11 high-protein fruits to boost your daily intake

Do you have a daily protein goal and are looking for plant-based options? Discover 11 high-protein fruits that can help.
Man drinking water in the sunlight

More than just Gatorade: What are the best sources of electrolytes?

When we think of electrolytes, sports drinks like Gatorade come to mind. But salty beverages aren't the only way to stay hydrated, balanced, and energized.
A person is cooking a sirloin steak in a pan with herbs and spices. The steak is brown and he is well-cooked

How much protein can you absorb in one meal? Here’s what the science says

Do you have an ambitious daily protein goal but aren't sure how much to include in a meal? Learn what the research reveals about protein absorption.
Man holding two burgers.

How to increase appetite: 9 effective methods for better hunger levels

Do you have a low appetite but are wanting to put on weight? Discover nine simple methods for increasing your hunger levels.
Man drinking a protein shake

Can creatine cause hair loss? Separating fact from fiction

Are you looking to add creatine to your supplement stack but are concerned about potential hair loss? Find out if the link is backed by research.
Happy handsome bearded man is using his smart phone while he preparing vegan healthy breakfast for a lovely family

The 7 best nutrition apps to help you reach your fitness goals

Are you looking for nutrition apps to make reaching your goals easier? Discover seven great options that may be exactly what you need.
Ultima Replenisher

This is my favorite electrolyte powder — here’s why

Here's why I love this brand for everyday drinking electrolytes (and why it's different than the hundreds of other brands on the market).
Man showing muscles, eating healthy vegetarian salad

1,000-calorie meals: The perfect way to bulk up and build muscle

Are you looking to build muscle but don't know exactly what to eat? Try adding these seven 1,000-calorie meals to your weekly plan.
Shrimp

11 high-protein, no-carb foods to help you hit your fitness targets

Are you looking to add high-protein, no-carb foods to your diet to hit your weight loss goals? Discover 11 of your best options.
Fish fillets, chicken meat, and red meat on top of distressed white cutting boards along with nuts, cheese, dairy, and eggs

The best foods for muscle growth, according to a doctor

Muscle building requires proteins, carbs, and healthy fats. Combined with a good strength-building routine, these foods will work for optimal muscle growth.
creatine three tubs protein pre workout shake drink on table

Creatine vs. protein powder: How do they affect your gains?

Are you curious whether taking creatine or protein powder would benefit your fitness goals more? Learn everything you need to know about the supplements.
Breakfast hash

6 high-protein breakfast ideas to kick-start your weight loss in 2025

High-protein breakfast ideas are exactly what your daily routine needs. Try one of these options.
Person measuring waist

What is reverse dieting? Step-by-step guide to increasing your calories

Have you hit your weight loss goal and are wanting to reverse diet? This guide will show you step-by-step how.
Healthy foods

Beginner’s guide to a high-protein diet: What to know

The many benefits of eating protein include weight loss and muscle recovery. Learn what foods to start incorporating in this guide to a high-protein diet.
Coffee cup on a saucer

Can you mix creatine with coffee? Here’s the truth

Are you interested in adding creatine to your morning coffee? Discover whether it would alter its effectiveness and other beverages to try.
Edamame

10 high-protein vegetables to boost your plant-based gains

Are you looking to increase your protein intake through veggies? Discover the 10 best vegetables that are high in both protein and nutrients.
Making a protein shake

How to calculate the optimal amount of protein for men

We all know protein for men is important, but how much protein do you need to eat? Find out here.
Keto dish with salmon

Keto vs. carnivore diet: Which eating method is right for you?

Are you looking to go low-carb but aren't sure whether the keto or carnivore diet is right for you? Learn the pros and cons of each.

Workouts

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