Andarine S4 25mg 90tabs Spectrelabs


Andrin or S-4 corresponds to a SARM, very popular among bodybuilders and athletes. It is very effective in gaining lean muscle.



Buy S4 Specter Labs

Selective androgen receptor modulators or SARMs are a new class of androgen receptor ligands.

They have the same effects as androgenic drugs but are much more selective in their action, allowing them to be used for more uses than the relatively limited legitimate uses of anabolic steroids.


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