Which Preworkout Supplement Should You Use? With the recent launch of AMPED™ Nitro, the most frequent questions are, 1) how it compares to AMPED Power and, 2) whether you should choose it over AMPED Power. As it turns out, the two preworkout products do have differences, and the right choice for you can depend on… Continue reading When to Use AMPED Nitro or AMPED Power