Dosage should range 20-50mg/day. Low range when stacking and on the high end as a stand alone. You will need proper PCT to restore test levels after a Deca cycle. MDHT will probably be better suited for stacking as a harding and strength agent.
Since this compound is methylated, liver toxicity is a potential concern. Limit cycle length to a month or less, avoid alcohol, other methyls, and other drugs that may compromise the liver, and take supplements to protect the liver!!