About Us

Inspired to Make a Difference
4J’s Fitness Center was established with the core belief that everyone deserves the opportunity to lead a healthy lifestyle. Located in Mbweni, Dar es Salaam, our center was created to be a welcoming and inclusive space for individuals of all fitness levels. We believe that fitness is about more than just physical appearance; it’s about fostering overall well-being. To support this, we offer a diverse range of programs and services tailored to meet the unique needs of our members, whether they are beginners or experienced athletes.
More than just a gym, 4J’s Fitness Center is a community dedicated to helping you achieve your fitness goals. Our experienced trainers and staff are passionate about providing the tools and support necessary for your success. With state-of-the-art equipment and a variety of engaging classes, we strive to create an environment where you feel motivated and empowered. Join us at 4J’s Fitness Center and embark on your journey to a healthier, happier life.
Meet Our Team
Our team of certified trainers and fitness experts is dedicated to helping you achieve your goals. With years of experience and a passion for fitness, they bring a wealth of knowledge and motivation to every session. Each team member is committed to creating a personalized fitness experience, understanding that every individual’s journey is unique. Our trainers stay updated on the latest fitness trends and techniques, ensuring that you benefit from the most effective and safe workouts. Beyond their technical expertise, our team is known for their approachable and supportive nature, making sure you feel encouraged and confident every step of the way.


The Health Benefits of Training with Us
At 4J’s Fitness Center, we focus on holistic health, offering programs that enhance both physical and mental well-being. Our diverse classes help improve cardiovascular health, build strength, boost flexibility, and reduce stress. Whether you’re looking to lose weight, gain muscle, or simply feel better in your day-to-day life, our expert trainers and well-rounded fitness programs are here to support you.
We believe that true fitness goes beyond the physical aspect, which is why we incorporate mindfulness and stress-relief techniques into many of our classes. Our programs are designed to not only transform your body but also to promote a balanced and centered mindset. From high-energy group workouts that elevate your mood to calming yoga sessions that help you unwind, every aspect of our offerings is crafted to foster overall wellness. At 4J’s Fitness Center, we are dedicated to helping you achieve a healthier, happier, and more fulfilling life, inside and out.
Open Hours
Mon – Sat
5:00 AM – 10:30 PM
SUN & PUBLIC HOLIDAYS
3:00 PM – 8:30 PM