$149.99 $125.00


Colossus is a sarm stack comprised of three main products called YK-11, Rad140, and Arimistane.

Dosage per pill of each compound is 10mg RAD140, 5mg YK-11, and 25mg of arimistane. At these levels you are getting a full month’s supply of all three compounds in one.

The combination of rad and YK together is great for someone trying to put on quality muscle mass and strength. Both compounds as stand alone products have shown this. Being brought together will only amplify the effects.

It is directed to take one capsule of colossus in the morning and 1 capsule in the afternoon, spread evenly throughout the day. 8 weeks on, followed by a 4 week off period is recommended.


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