Dr. Mike Diamonds, a retired medical doctor turned online fitness coach and YouTuber, shares his top tips for losing belly fat. With close to a million subscribers on his channel and his own body transformation as proof, Diamonds is also the creator of the website Sculpt by Science. His tips include focusing on a caloric deficit through dieting, consuming enough protein, incorporating resistance training, doing cardio, prioritizing sleep for recovery, and considering supplementation with protein powder and creatine. Check out his video for more information.