STACKING DISCOUNT:  Use code BLACKSTONE25 at checkout to get an additional 25% off when you buy two or more items from Blackstone Labs.

Rapid increases in size. Greater strength and power output. Pumps and vascularity that would make Arnold jealous. No, this isn’t some dream you’re having...these are the real-world results attainable with the latest groundbreaking muscle-building supplement from Blackstone Labs.


Metha-Quad Extreme is the most powerful designer prohormone stack ever created. It delivers the immediate lean gains you’re looking for along with the density and muscle maturity of a seasoned. Metha-Quad Extreme contains four of the most effective muscle-building, testosterone-boosting compounds on Earth all enveloped in Cyclosome Delivery Technology to provide maximum uptake and utilization by the body. Metha-Quad Extreme puts your muscle building capabilities into overdrive, forcing your body to get bigger, stronger, and faster every day.

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$ 84.99