Located in Fullerton California, Koloseum Gym & Fitness Center is Southern California's bodybuilding and fitness Mecca. You will often find Milos training with well-known professional bodybuilders from around the world including 7-time Mr. Olympia winner Ronnie Coleman and many others who make the pilgrimage to Koloseum Gym from around the world to train and for cover and magazine photo ops to grace the pages of FLEX Magazine and other Weider publications where Koloseum Gym is the gym of choice.Koloseum Gym offers the best in free weights, specialized machines, dumbbells and cardio equipment to fulfill all your training needs.ndividuals seeking a personalized, high-impact training program led by a Certified Professional Trainer who is committed to your success can inquire about rates and programs available.Nutrition StoreKoloseum Gym is only gym in Southern California to offer a Max Muscle nutrition store. Choose from quality supplements like Max High5 and other Max proteins, Max Glutamine, CarboMax and Max Creatine. Koloseum Gym stocks other top-name quality proteins, supplements, drinks and meal replacement powders, bars, vitamins and minerals. If you don’t see your favorite supplement we can order it for you.Koloseum Gym members get 15% off all retail prices. Special discounts for bulk purchases for members/non-members means you can’t afford not to purchase your entire line of supplements at Koloseum Gym.ApparelYou’ve seen some of the biggest names in professional bodybuilding wearing the distinct Koloseum Gym apparel modeled in FLEX Magazine. Now you can feel like a gladiator in the gym or at home in your Koloseum Gym apparel, sold exclusively at Koloseum Gym. Choose from Tee shirts, tank tops, pro string tanks, shorts and caps as well as other items.