Hi-Tech Pharmaceuticals Primobolan is the Ultimate Summer Cutting ProHormone bringing together ingredients from 1-Testosterone and Winstrol and packing them all into a single product. Primobolan increase nitrogen retention which in turn improves protein synthesis within muscle tissue. This allows for an increase in anabolic activity and creates the ideal environment that allows for your body to build muscle at an even faster rate than which is normally possible. Primobolan is an excellent option to help presreve lean muscle tissue even during times of heavy training and physical stress on the body. If you're looking for that cut dry look for summer Primobolan is exactly what you need.