The Effects of Vitamin D on Muscle Strength in Athletes

The referenced article can be viewed here.

Caffeine Improves Performance in Combat Athletes

The referenced article can be viewed here.

5 Simple Tips for Increasing Productivity

Tim Ferris’ website can be viewed here.

Training Load and Heart Rate Variability Associated with Overuse Injury in CrossFit Athletes

The referenced article can be viewed here.

Is the Athlete Recovered and Ready to Train Today? The Answer Depends on Who You Ask

The referenced article can be viewed here.

Practical Advice for Athletes and Exercisers Consuming Vegan Diets

The referenced article can be viewed here.