Gene Simmons, (born August 25, 1949) is an American singer-songwriter, musician, actor, and entrepreneur, best known as the bassist and co-lead singer of the rock band KISS.

Diet:

Gene Simmons follows a strict diet regimen, he eats small meals every 2-3 hours and his meals usually consist of lean protein and vegetables. He also avoids processed foods, sugar, and unhealthy fats. He also drinks a lot of water throughout the day.

Workout:

Gene Simmons exercises regularly, his workout routine includes weightlifting, cardio and hiking. He also practices martial arts and yoga.

Sources:

• https://www.muscleandfitness.com/entertainment/gene-simmons-lifting-hiking-and-why-hes-never-done-drugs/
• https://www.express.co.uk/life-style/health/1587575/gene-simmons-health-secrets-kiss
• https://www.nupathz.com/articles/Article70-Gene’s_Diet_Plan.htm
• https://www.dailymail.co.uk/tvshowbiz/article-9556563/KISS-icon-Gene-Simmons-reveals-stays-fit-healthy-age-71.html