“Help! My client’s not losing weight despite claiming to follow a low calorie diet!”

Use this 5-step process to solve the mystery—and coach clients to success.

Is a 1200-Calorie diet (or any super low-calorie diet) actually realistic?

The origins of this contentious calorie target—and why it’s so hard to maintain it.

The Ultimate Sports Nutrition Guide for Athletes and Coaches

Learn the basics of sports nutrition and get your sport-specific nutrition guide to optimize athletic performance.

Minimally-processed foods vs. highly-processed foods: What you should know

Learn how to boost health—without sacrificing convenience

How to lose 50, 75, 100+ pounds—from 3 health coaches who’ve done it themselves

Use these mindset strategies to get through the grind—and finally meet your best-feeling body.

Video: Why “eat less, move more” is incredibly hard

The traffic light eating method: Diet goldmine—or landmine?

Find out why we recommend this controversial approach.

Quiz: What’s your stress score (and why should you care)?

Plus: How to shift your perception and feel better in minutes

4 nut debates, settled [Infographic]

Are almonds actually healthier than peanuts? Can nuts really prevent heart disease? Your answers here.

How to eat junk food: A guide for conflicted humans

Consume what you love, improve your health, and feel good about your choices

Superstition, sciencestition, and how to stop overthinking food.

Sometimes a glass of lemon water is... just a glass of lemon water.

How I stopped tracking macros with my clients—and started seeing better results.

Learn how to try this method yourself.

Social connections: Could they be even more important than cholesterol?

Why the health of your relationships can have a profound impact on your well-being.

Food addiction: Why it happens, and 3 ways to help (or get help).

Plus, learn the difference between standard cravings and overeating—and true food addiction.

Intuitive eating: How to make it work for you (and your clients)

Discover the 10 powerful principles of this popular eating style.

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

Your complete guide to using—and coaching—macros.

How to eat until 80% full (and why it’s a key practice for weight loss)

Bonus: It builds mindfulness and improves digestion, too.

Do collagen supplements actually work? Learn the facts about this popular supplement.

Here’s the real deal on what collagen can—and can’t—do for you.

‘How much water should I drink?’

Use our hydration chart to assess if you're getting enough water.

The real secret to losing belly fat, according to science.

Learn six steps that actually work.

What are BCAAs—and are they worth it?

Learn the benefits, risks, and whether they’re right for YOU.

The carnivore diet: Can it really transform your health?

The truth about the all-meat trend, and how to try it safely.

Every question about PN’s hand-portion method—answered.

‘What should I eat?!’ The keto diet edition. [Infographic]

This keto food list shows you what to eat on the keto diet.