BB-Fitness

Built by BB Fitness is the official transformation app founded by Arunava Bhattacharyya (Arun BB Fitness)—pharmacist, sports nutrition specialist, and lifestyle coach with over a decade of experience. We bridge the gap between science and real-world lifestyle adherence. Whether moving from "Fat to Fit" or "Skinny to Strong," our approach is built on evidence and sustainability—never crash diets or burnout. WHAT YOU GET Custom Workout Plans Targeted strength and conditioning programs built for your schedule and equipment, complete with video demos for every exercise. Science-Backed Nutrition Structured, flexible nutrition strategies rooted in clinical sports science to build muscle and drop fat without extreme restriction. Fast Workout Logging Log reps, sets, weight, and RPE in seconds. View your lifting history instantly to ensure progressive overload week after week. Coach Check-Ins & Guidance Stay accountable with weekly check-ins, routine adjustments, progress photo tracking, and direct in-app messaging. Habit & Recovery Tracking Monitor steps, sleep, and recovery metrics to support steady progress alongside your busy life. HOW IT WORKS Built by BB Fitness is exclusively for active coaching clients. An active coaching enrollment is required to sign in. Contact Coach Arun to get started.