Obviously many doctors and pharmacies violate this FDA regulation but are not sanctioned because the FDA does not regulate compound pharmacies, the state does.
pharmacies obtain the bioidentical or natural hormones, Estradiol, Progesterone
, and Testosterone in USP raw powder from for the SAME suppliers the drug companies do. They use different amounts of each but the hormones are the same. Many formulations are based on Saliva testing to “individualize” hormone therapy.