Beyond these two popular choices lies a variety of other supplements like caffeine - understood for its capability to raise metabolic rate and improve endurance by delaying exhaustion - and omega-3 fatty acids from fish oil which have been connected to raised degrees of fat oxidation and possible reductions in body fat percentage when integrated with exercise. In addition, probiotics are becoming valuable not simply for gut wellness but potentially helping metabolism by affecting the equilibrium of microorganisms within our digestive system