Flex N Flexi is more than just a gym. We provide professionally guided strength training, proper nutrition guidance, yoga training, advanced cardio, and proven transformation programs under one premium roof in Kamalgazi.
Flex N Flexi was founded with a single mission: to provide the people living nearby Kamalgazi and a Narendrapur with a truly premium, uncompromising fitness experience.
We don't just rent out machines. We offer professionally structured programs designed to guarantee your physical transformation. Choose the discipline that fits your goals.
No two bodies are the same — and neither are two fitness journeys. At Flex N Flexi, our certified personal trainers work one-on-one with you to build a programme tailored to your body type, fitness level, and real-life schedule. Whether you're a complete beginner stepping into a gym for the first time or an experienced lifter chasing your next plateau, your trainer stays with you — adjusting, guiding, and pushing you the right way. This is not a generic plan. This is your plan.
Strength is only half the story. Our dedicated yoga sessions at Flex N Flexi are designed to build flexibility, sharpen focus, and restore the balance your body needs to perform at its peak. From foundational Hatha to dynamic Vinyasa flows, our experienced yoga instructors guide every session in a calm, structured environment — right inside our premium fitness hub in Kamalgazi. Whether you join as a standalone member or combine yoga with your main training programme, the result is a body that moves better, recovers faster, and holds up longer.
Discipline starts here. Our Karate and MMA training programme at Flex N Flexi goes beyond fighting techniques — it builds mental toughness, physical conditioning, and the kind of confidence that carries into everyday life. Trained under experienced martial arts coaches, students of all ages and fitness levels learn structured striking, grappling, and self-defence disciplines in a safe, supervised environment. Whether your goal is competition, fitness, or simply learning to protect yourself, this programme delivers results that extend well beyond the mat.
Your workout is only as powerful as what fuels it. At Flex N Flexi, our diet and nutrition guidance is built into your fitness journey — not sold as an add-on. Our trainers work with you to understand your eating habits, body composition goals, and lifestyle (yes, including Bengali home food) to create a realistic, sustainable nutrition plan. No extreme diets. No imported supplements you can't pronounce. Just practical, science-backed food guidance that works alongside your training to deliver visible, lasting results.
Every member who walks into Flex N Flexi comes with a different body, a different goal, and a different story. That’s why we don’t offer one-size-fits-all memberships. Our structured workout programmes are designed around specific outcomes — so you always know exactly what you’re training for, and exactly how we’re going to get you there.
A structured, progressive strength programme built around compound lifts, muscle hypertrophy, and proper form — guided by expert trainers on 6,000+ sq. ft. of premium equipment.
A results-focused fat loss programme combining cardio, functional training, and nutrition guidance — designed specifically for sustainable body transformation, not quick fixes.
Practical self-defence techniques drawn from Karate and MMA disciplines, taught in a structured, beginner-friendly environment under certified martial arts coaches.
A carefully supervised recovery programme for members returning from injury — designed to rebuild strength, restore mobility, and prevent re-injury at every stage of recovery.
Stay connected with everything happening at Flex N Flexi — member success stories, new programme launches, fitness tips, nutrition advice, and behind-the-scenes moments from South Kolkata's most talked-about gym. Whether you're already a member or still thinking about joining, this is where your fitness journey starts to take shape.
Not sure yet? That's exactly why we offer this. Walk into Flex N Flexi for three full days — completely free — and experience our facilities, meet our trainers, and feel what a premium gym in Kamalgazi actually looks like. No pressure. No commitment. Just three days to decide for yourself. Spots are limited, so secure yours today.
Real answers to what people search about gyms in Kamalgazi, Narendrapur and South Kolkata.
Flex N Flexi is the largest and most premium gym in kamalgazi, Narendrapur. This gym is famous for the ambience, equipment and training quality. Also this gym is the highest rated and reviewed one in this area.
Our doors are open at 06:00AM-23:00PM