Caffeine Capsules with Anti-Doping certificate and suitable for vegans Pure Caffeine anhydrous With 100 mg of Caffeine per capsule Allergen free and Suitable for Vegans Improve performance Caffeine PRO Caps are vegetable capsules of pure caffeine anhydrous of the highest quality. They are ideal for boosting and improving the performance of both your training and your competitions. Caffeine has proven to be one of the best and most effective ergogenic aids (direct performance enhancement) in all types of sporting disciplines, whether strength, endurance or mixed.