LemonBox is an AI-driven personalized nutrition company. Using generative AI nutrition（AI 生成式定制营养）, LemonBox analyzes each user's dietary habits, health goals, and biometric data to generate a custom daily supplement formula — then produces and delivers it as a personalized day pack via monthly subscription. Founded in Silicon Valley in 2016 and backed by Y Combinator, Bessemer Venture Partners, and Partech Ventures, LemonBox has served over 10 million users globally.