The Endurance Club is for athletes at all levels who want to get more out of their workouts and raise their training level. The mission of the Endurance Club is to provide members with the most up to date information on endurance and nutrition with a discount on all natural products proven to extend endurance and promote a faster recovery.

  • Join the Endurance Club and Receive:

    10% Discount on Every Orders (Including your first order) Discount applies automatically when logged into your account.

    + Performance Tip of the Week Each week, Dr. Portman will email a nutrition tip to help you improve performance. Some of the topics that will be addressed include: How much carbohydrate can be absorbed per hour during exercise? What amino acid increases nutrient and oxygen delivery to muscles? 

    + Exclusive Offers Endurance Club members receive exclusive promotions and giveaways included in Dr. Portman's weekly nutrition tip. 

    + FREE Shipping on orders over $75

    + FREE copy of Nutrient Timing

    Authored by world renowned exercise scientists, Drs. John Ivy and Robert Portman. Nutrient Timing has been called the next important concept in the 21st century. Nutrient Timing dispels old myths and should be mandatory reading for any athlete who wants to optimize their performance. Applying the principles of Nutrient Timing you will be able to increase endurance performance, experience a stronger recovery while maximizing muscle growth and minimizing muscle damage. ($14.95 Value)


    Add more than $50 to your shopping cart. 10% Discount will apply automatically. Create an account to take advantage of membership benefits on next order.