Leptin, ghrelin, and weight loss.

Here's what the research has to say.

Fitness & menstrual health:

How to stay lean, healthy, and fit without losing your period.

Research Review:

A calorie isn't a calorie

Alkaline water:

Legit health food or high-priced hoax?

Phytates and phytic acid.

Here's what you need to know.

All about nutrient timing:

Does when you eat really matter?

All About Energy Balance

Carb cycling: Is this advanced fat loss strategy right for YOU?
(Take the quiz.)

Your essential guide to carb cycling.

Sweet potatoes vs. potatoes: Which are really healthier? [Infographic]

Let's get to the bottom of this never-ending debate.

Reverse dieting: Can you really get better results by eating more?

Learn the truth about the reverse dieting method—plus everything you need to know to try it for yourself.

Does intermittent fasting work for women?

Learn how fasting can affect hormones, weight loss, and fertility.

Can eating too little actually damage your metabolism?

Exploring the truths and fallacies of ‘metabolic damage'.

Elimination diets: How and why to do them

The modern diet dilemma: Is it better to… eat meat? Go vegan? Something in between? The truth about what’s right for you.

The truth about “body type dieting” for ectomorphs, endomorphs, and mesomorphs.

Whey sensitivity and intolerance:

Here's when whey protein just isn't for you.

Can you gain weight from eating too little? No, but here’s why it’s so easy to think you can.

Protein supplements:

Is protein absorption the problem?

Carb controversy:

Why low-carb diets have got it all wrong.

All about lectins:

Here's what you need to know.

Workout nutrition explained.

What to eat before, during, and after exercise.

Sweet vs. regular potatoes:

Which potatoes are really healthier?

How to count (and track) macros for fat loss, muscle gain, and better health

Your complete guide to using—and coaching—macros.

Do probiotics really work?

Learn the real benefits of probiotics, what they can help with, and what it truly means to have a “healthy gut.”