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There is no legitimate non-medical dose. Oxandrolone is a prescription-only, DEA Schedule III controlled substance; this library does NOT provide a body-composition dosing protocol. For context only: the FDA-approved adult dose for muscle wasting is 2.5–20 mg/day in divided doses under a physician, and trials used 10 mg twice daily in adult burns, 0.1 mg/kg/day in burned children, 20–80 mg/day in HIV wasting, and 0.03–0.06 mg/kg/day with growth hormone in Turner syndrome — all clinician-supervised with liver and lipid monitoring. That is not an endorsement of self-administration.

Any time

Prescription oral tablet (Anavar / Oxandrin) — clinician-directed, approved muscle-wasting indications only

• Anyone seeking it for body composition or athletic performance without a prescription — a DEA Schedule III controlled substance; possession/use without an Rx is illegal, and it is not a dietary supplement
• Pre-existing liver disease or elevated liver enzymes — 17α-alkylated and hepatotoxic (transaminitis, cholestasis, peliosis)
• Known or suspected prostate or male breast carcinoma; hypercalcemia

• Warfarin / oral anticoagulants
• Hepatotoxic drugs / alcohol
• Insulin / oral hypoglycemics