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 .
Regardless of your Dbol dosage, four to six weeks of use is about all anyone will ever need; some may extend to eight weeks total, but this should be rare and is normally not recommended. The reason for such short-term use once again revolves around this steroid's strong hepatotoxic nature, and if you ignore the recommended time frames you will put your liver at risk. Of course, as seen from the Dbol only cycle link, your total cycle should extend past this point of use or you will risk losing all your gains. A solid plan is an injectable or two with your Dianabol for six weeks, and then continuing the two injectable steroids for another twelve weeks.