Healthcare

Gainful

Website
Founded 2017Origin source ↗Checked 2026-09-15

Overview

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).

Company description As recorded 2026-11-08

Founders & team

30team members reported
Source-reported As recorded 2026-09-15

Founded 2017 · Source

News & product activity

Sources & observations

Y Combinator

Profile depthverified profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedNew York City, NY, USA; New York, NY, USA
Pricing evidenceNo pricing page confirmed
Maturity: Launched · 3 of 6 areas documented

Source-based assessment · automated evidence rules

The company website offers product access through a trial, free start, app download, purchase, or onboarding with existing-account login. Customer adoption is not established by this evidence.

Company website: home Checked 2026-09-23

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Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced peoplesourced founding year