After the Kefauver Harris Amendment was passed in 1962, the . FDA began the DESI review process to ensure the safety and efficacy of drugs approved under the more lenient pre-1962 standards, including Dianabol.  In 1965, the FDA pressured CIBA to further document its legitimate medical uses, and re-approved the drug for treating post-menopausal osteoporosis and pituitary-deficient dwarfism .  After CIBA's patent exclusivity period lapsed, other manufacturers began to market generic metandienone in the .
Another positive effect of deca-durabolin was reported by many bodybuilders who prior using this drug experienced pains in joints but once using it they started to enjoy training with no pain and that is attributed to deca’s ability to store more water in connective tissues.
However there are some moments which must be known by you before you start using nandrolone decanoate , it has a very strong effect on decreasing your sexual drive and it can cause gyno in some individuals. So have Nolvadex (tamoxifen citrate) on hand in case you feel gyno symptoms.
All injectables stack well with Dianabol, with partial exception that at higher doses of testosterone Dianabol becomes less useful and eventually entirely unnecessary. As examples, at 500 mg/week of testosterone use large improvement in a steroid cycle can be expected from adding Dianabol, but at 1000 mg/week only a moderate improvement is likely. At 2000 mg/week, possibly no noticeable further increase in effect will be seen except with individuals who have already reached a plateau at that amount of testosterone-only usage. For most this will not be the case.