Gainful

Personalized Performance Nutrition

YC-W18Consumer -> Food and BeverageGrowth

What Gainful does

Gainful is performance nutrition that unlocks your full potential. We provide personalized products and 1:1 Registered Dietitian support to empower active people to reach their unique goals by transforming their health. Founded in 2017, Gainful is backed by some of the world’s best venture investors (including Y Combinator, BrandProject, and Courtside VC). Our current products are Personalized Protein, Personalized Hydration, Personalized Pre-Workout, and our line of Performance Boosts (Collagen, Creatine, and Fiber).

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Company facts compiled from public sources and last refreshed 9 September 2026. Details change; treat the company’s own site as the authority.

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