Caffeine:
With as much caffeine as two cups coffee, FX’s caffeine tablets are a great way to boost focus and energy without the extra sugar, carbs, and calories of energy drinks or coffee. Caffeine has been shown to improve athletic performance in aerobic (especially endurance sports) and anaerobic workouts, as well as increase fat metabolism during exercise.
The standard for weight loss, caffeine is the main active ingredient in most fat burning supplements. Studies have shown caffeine supplementation increases fat metabolism during exercise.