Evan Seinfeld, singer and bassist of Biohazard, has launched Full Metal Fitness, a fitness app and community built specifically for metalheads and hardcore fans ready to level up their health, body, and mind. Join now and catch Biohazard on tour this spring.
Sign up here
At 58, Evan Seinfeld is in the best shape of his life, physically, emotionally, and spiritually. It has not been a straight road. After years of personal struggles with weight, fitness, confidence, and body image, Seinfeld committed to discipline and consistency in his workouts, diet, and lifestyle, and the results have been transformative. Now he wants to share that transformation with fans around the world.

Full Metal Fitness is a state-of-the-art app offering custom-tailored workout programs, easy-to-follow meal plans, and a weekly accountability video call led by Seinfeld himself. Platinum and Diamond membership tiers include one-on-one video coaching with Evan Seinfeld. The community is built around the shared values of metal, fitness, and self-improvement, complete with a curated Spotify playlist guaranteed to get you pumped.
Meanwhile, Biohazard is on the road as part of the Sepultura Celebrating Life Through Death Final North American Tour alongside Exodus and Tribal Gaze, with North American dates running through late May 2026, followed by a run of European festivals and headline appearances in July and August.