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Optimum Gold Standard Pre Workout is ON's latest premium pre workout supplement. Containing research proven ingredients at effective doses, such as creatine, beta-alanine, and caffeine, together with the latest in pre workout supplementation, Gold Standard Pre Workout will assist to energise your efforts.
NSF Certified for Sport Products are not Banned. In conclusion: If youâre not under drug testing for 1,3 dimethylamylamine or caffeine itâs typically okay to use most pre workout supplements. But if you are, youâll want something NSF certified for Sport, such as Oh Yeah! Rush.