Tamoxifen is a selective estrogen receptor modulator used medically in the treatment and prevention of certain hormone-receptor-positive breast cancers.

The Gomeisa Labs presentation contains 20 mg tamoxifen citrate per tablet and is supplied as 50 oral tablets. The active ingredient, strength, and formulation are confirmed on the current GORoids listing.

Tamoxifen requires professional supervision because treatment depends on the clinical indication and patient-specific factors. Current product labeling should be checked for contraindications, warnings, storage, and regulatory requirements.