Exos | Formerly Core Performance

Set Your Fitness Goals. We'll Help You Achieve Them.

Join for free and you'll gain instant access to our tracking and reporting tools, expert coaching tips, and a free trial to our personalized training and nutrition programs.

Core Knowledge

Nutrition

Nutrition

Hydration 101

Stay hydrated to fuel your performance and improve your health.

Nutrition

Improve Your Digestion

A useful guide to important nutrients and how to get the most out of them.

Nutrition

Improve Your Health with Micronutrients

A detailed look into the importance of micronutrients in a balanced diet.

Nutrition

Sugar: A Primer

This helpful guide to sugar and its artificial substitutes will help you side step the oh so sweet (yet dangerous) stuff.

Nutrition

Supplements 101

Use this guide to find out which supplements can improve your health and performance.

Nutrition

The Complete Guide to Fiber

Why you need more fiber in your diet, and where to find it.

Nutrition

The Complete Guide to Omega Fatty Acids

Everything you need to know about these heart-healthy fats.

Nutrition

The Healthy Shopper’s Guide to the Grocery Store

Use this guide to take the guesswork out of your weekly grocery shopping trip and fill your basket with the healthiest foods.

Nutrition

The Organic Food Guide

Is going organic healthier for you or just the environment? We weigh the pros and cons.

Nutrition

The Truth About Fad Diets

What to take—and leave—from some popular diets.

Nutrition

The Truth About High-Fructose Corn Syrup

This popular sweetener is found in many sodas and processed foods. But what's it doing to your health?

Nutrition

Trans Fat 101

Reasons and suggestions on how to avoid this unhealthy fat.

Nutrition

Understanding the Glycemic Index

Find out what it is and whether or not it's a tool you can use to improve your health and performance.

Nutrition

Whole Grains 101

Boost energy, maintain stable blood sugar, and get more nutrients in your diet with whole grains.

Nutrition

Why You Should Eat Often

Learn how to time your meals and snacks to lose weight, build muscle, and boost energy.

Nutrition

Portion Sizes 101

How to choose the right amount of food to maintain a healthy diet and lose weight.

Nutrition

The 5-Minute Guide to Vitamins

From improving eyesight to building healthy bones, check out the benefits of vitamins and how to get more in your diet.

Nutrition

The Complete Guide to Creatine

Everything you need to know about this muscle-building, strength-boosting, health-promoting supplement.

Nutrition

The New Science of Recovery Nutrition

All you need to know to refuel and rehydrate after your workout.

Nutrition

The Science of Workout Nutrition

What you eat before and after your workout may be your most important meals of the day. Here's everything you need to know.