This is since the 5-alpha reductase enzyme acts to reduce the potency of nandrolone, while on the other hand numerous other anabolic steroids are unaffected by this enzyme, and testosterone's strength is in fact increased by it.
ນີ້ແມ່ນຍ້ອນວ່າ enzyme 5-alpha reductase ເຮັດເພື່ອຫຼຸດຜ່ອນຄວາມສາມາດຂອງ nandrolone, ໃນຂະນະທີ່ໃນທາງກົງກັນຂ້າມຫຼາຍ steroids anabolic ອື່ນໆແມ່ນບໍ່ໄດ້ຮັບຜົນກະທົບໂດຍ enzyme ນີ້, ແລະການສັກຢາຂອງ testosterone ແມ່ນຕົວຈິງແລ້ວເພີ່ມຂຶ້ນໂດຍມັນ.