Brand: Genesis
Mesviron 25 Genesis is a tablet that contains mesterolone, the same active ingredient as Proviron. Schering developed mesterolone in 1934, and it became one of the first drugs used in hormone replacement therapy. Mesterolone is very close to dihydrotestosterone (DHT). That makes it a strong androgen but a very weak anabolic compound, so it isn't used to build size. In medicine, it's used for sexual problems that come from low androgen levels, and for some cases of male infertility. It doesn't raise the body's own testosterone production. It supports the normal androgen picture instead. In strength-training literature, it's a support compound, discussed mainly for libido and drive.
Mesviron 25 is mesterolone, a DHT-based androgen with a methyl group at the first carbon. That change protects the hormone from being broken down in the liver after swallowing. It has no 17-alpha alkyl group, which is why it avoids the liver stress seen with many oral steroids. It binds strongly to SHBG, the protein that carries sex hormones in the blood. Each tablet contains 25 mg.
It is a mesterolone tablet from Genesis, Singapore, supplied as 25 mg tablets in a pack of 100.
They contain the same active ingredient, mesterolone. Proviron is the original Bayer Schering brand, and Mesviron is the Genesis version.
Not much. It's a strong androgen with weak anabolic action. It's valued more for libido and drive.
It's considered easier on the liver than most oral steroids, because it isn't 17-alpha-alkylated. It's still not suitable for people with liver tumors.
Both contain mesterolone at 25 mg per tablet and share the same pharmacology and half-life. The difference is the manufacturer and the pack size.
No. Mesterolone has never been approved for prescription use in the United States. It's approved and prescribed in some other countries, and this specific product is not an approved medicine.
No. Non-prescribed use is regulated or prohibited in most countries.
Hubei, China
Genesis, Singapore
Anfarm Hellas S.A., Greece
Organon, Oss, Netherlands (Pregnyl® 5000)
Hubei, China
Bayer Schering Pharma, Germany
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