Always be sure to check the label when buying peanut butter – you want the all-natural kind, not one with added oils and sugar. For a pre-workout energy boost, sip on our peanut butter smoothie. An ...
But, a few have noted they didn't notice any effects [10]. Onnit Alpha BRAIN® Pre-Workout is packed with caffeine, amino acids, and ashwagandha, offering a powerful boost in mental focus and physical ...