Informed Choice
This is Optimum Nutrition's pre-workout. Each serving has 175 mg of caffeine. It also has 1.5 g beta-alanine and 3 g creatine monohydrate. Plus it has L-citrulline and N-acetyl-L-tyrosine. It is a moderate-stim mix, not a high-caffeine one. It is Informed Choice certified for banned-substance testing. It is sold direct from ON, at Amazon UK and at Holland & Barrett.
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