As we all know, deca and dianabol is the classic old school cycle. With good reason, this stack is awesome for size, strength, and quality gains. Deca also stacks well with any testosterone. Optimally, I have seen deca do wondrous things when stacked with both testosterone and dianabol (duh!). Deca can be used for cutting but this will be an individual matter-it makes some hold more water than others. For cutting purposes, the drug will mostly be used to elevate the nitrogen retention and protect muscle tissue. For this purpose, 400mg a week is often enough. If you are very advanced in development or usage, you may need 600-800mg when cutting. For bulking the previous stated upper range of 1000mg still holds. A dosage of 400-600 is probably sufficient for most users for all purposes (maybe less for cutting though-300-400mg/week).