Supplement Needs Pre Stim Pro - 30 Servings PRE Stim PRO is a pre-workout stimulant designed to increase energy, focus and mental performance before exercise. It is a transparent formula, with active ingredient amounts listed without the use of hidden “proprietary blends”. It is suitable for vegetarians and vegans and is Halal certified. Advantages: The transparency of the formula allows the user to know exactly what they are consuming. The combined use of various stimulants and nootropic compounds can provide smoother energy and focus. Possibility to be stacked with other products in the range for a combined energy and pump effect.Warning: Because it is a stimulant product, there is a possibility of side effects.