aa mass addiction is a natural test booster so it would be ok to use.i personally have used it a couple times and it works great.size and strength increases have been the outcome in both instances.but as bb12 asked some more info on yourself would be helpful.
as for your friend i think winstrol a cutting agent but going from a natural test booster to a steroid and if hes your age is not really recommended but to each his own.
supps:dymatize nutrition bcaa,pharma diet whey,dymatize nutrition glutamine micronized,AA MASS ADDICTION,AA REHAB,AA IMPAC started 2may2011.
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My comments have not been evaluated by the FDA, do not constitute medical advice, and are not official or authorized comments by Anabolic Addiction, LLC.