You may have come across the terms bioidentical and body identical hormones. They both refer to hormones that are biochemically the same as the hormones made by your ovaries. Bioidentical means that the hormone is the same as that made by your body. They are extracted from soy and yams. Estradiol, progesterone, and testosterone are all available in this format.
Most of the HRT we prescribe is bio-identical, all of it is regulated, and the oestrogen and progesterone usually available on the NHS. We don’t prescribe compounded bioidentical HRT.