Guarantee

First Endurance is dedicated to bringing you the highest quality, best performing endurance products available. Our "100% Performance Guarantee" ensures that any item you purchase from First Endurance meets the high performance standards.

First Endurance uses only the finest ingredients and follows stringent quality control. First Endurance uses amber glass and tinted capsules in order to minimize degradation from UV light, oxygen and moisture , ensuring you receive the highest potency and purity.

If you are not satisfied, simply return the unused portion of the product for a replacement or refund. For more information on returns or exchanges, please follow the instructions below.

Return Policy
e-mail returns@firstendurance.com to receive a Return Authorization number and detailed instructions on how to return your purchase. Limit: One sku per customer (not valid for multiple units of the same item).