Telegram Fitness Bot: Custom Workout Plans from Photos/Text via Gemini AI

This n8n workflow powers a Telegram Fitness Bot that delivers tailored 7-day workout plans based on user-submitted full-body photos or text descriptions. Upon receiving input, it intelligently detects whether it's a photo or message: photos are analyzed by Google Gemini AI to assess body type, posture, muscle tone, and fitness level; text inputs trigger LangChain-driven conversations to gather details like age, goals, and activity level. The AI then crafts motivating, personalized routines formatted in Telegram-compatible HTML, automatically splitting long plans to adhere to message limits before sending them back to the user.

Key benefits include automation of virtual fitness coaching, saving trainers hours on plan creation while enabling scalable client engagement. It supports health & wellness startups, personal trainers, and developers building AI-enhanced bots, with conversational memory ensuring context-aware interactions for better personalization and user retention.

Use cases span fitness coaching automation, where trainers offload routine planning; Telegram-based health apps for user engagement; and wellness tools offering instant, AI-generated advice. Customization options include tweaking prompts for brand-specific tones, adding PDF exports, daily reminders via Cron, or integrating video embeds—making it a versatile foundation for expanding into full fitness ecosystems.