First Endurance EFS is an ideal blend of simple and complex carbohydrates, amino acids, antioxidants, Malic acid and electrolytes, offering athletes the essential nutrients necessary to increase their endurance during exercise. The improved formula is incredibly fine and mixes instantly, delivering the highest electrolyte content available (1160mg of all 5 electrolytes), and eliminating the need to carry extra electrolyte capsules. EFS is designed to be mixed at varying strengths, depending on the needs of your workout. 25 servings.
Please Note: For your safety, we do not restock energy food or drink products returned to us.
One coupon per order
Discount taken off MSRP
In stock items only
Coupons can not be combined with promotional gift certificates, however, purchased gift certificates may be used with the coupons. If you would like to use your coupon with a purchased gift certificate, please leave the gift certificate information in the comments section at checkout, and they will be applied during processing on the backend.
Some items are restricted
Groupsets, hand built wheels, special orders & labor costs are excluded from the coupon.
Additional exclusions may apply.