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First Endurance creates science-led endurance nutrition designed to help athletes push beyond limits. Since 2002, they’ve combined clinically researched ingredients with elite-level testing to deliver performance without compromise.
First Endurance has been at the forefront of endurance nutrition since 2002, developing products designed specifically for athletes who demand more from their training and racing. Every formula is built around clinically researched ingredients, effective dosages, and proven performance benefits, helping athletes fuel smarter, recover faster, and push beyond perceived limits.
Based in Salt Lake City, surrounded by the Wasatch mountains, First Endurance uses the ultimate testing ground to refine its products. Long climbs, altitude, trails, and elite-level athletes all play a role in shaping a product range trusted by professionals and dedicated endurance athletes around the world.
Research sits at the heart of everything First Endurance creates. Rather than following trends, the brand focuses on science-backed innovation, sourcing premium ingredients and using clinically effective amounts that reflect the research behind each formula. From hydration and fuelling to recovery and supplements, every product is designed with precision and purpose.
Quality and transparency remain central to the brand’s philosophy. Every product is manufactured in NSF Certified, ISO-certified, cGMP compliant, and FDA-inspected facilities, with strict quality control processes ensuring purity, safety, and consistency. The result is a complete endurance nutrition system athletes can trust when performance matters most.
First Endurance creates science-led endurance nutrition designed to help athletes push beyond limits. Since 2002, they’ve combined clinically researched ingredients with elite-level testing to deliver performance without compromise.
First Endurance focuses on clinically researched ingredients used at effective dosages, rather than relying on trends or underdosed formulas. Every product is designed specifically for endurance athletes.
First Endurance products are built for endurance athletes including runners, cyclists, triathletes, and anyone training or racing at a high level.
Yes. Ingredients and finished products go through extensive testing for purity, potency, and consistency, including third-party Certificates of Analysis.
Products are developed using human scientific research, athlete testing, and ongoing innovation to ensure they deliver measurable performance benefits.