What Does the Liver Do to Hormones?
By Dr (TCM) Attilio D'Alberto | Traditional Chinese Medicine Practitioner, Wokingham
The liver is at the centre of hormonal health in both conventional medicine and traditional Chinese medicine — though for somewhat different reasons. Understanding its role helps explain why liver support is one of the most impactful things you can do for hormonal balance, whether you are dealing with oestrogen dominance, PCOS, PMS, or menopausal symptoms.
The Biomedical Role
The liver is the primary site of hormone metabolism. It converts active oestrogens (oestradiol, oestrone) into weaker, water-soluble forms through Phase I and Phase II detoxification reactions, packaging them for excretion via the bile and ultimately the bowel. When liver function is impaired — by alcohol, a high-fat diet, non-alcoholic fatty liver disease, or nutritional deficiencies — oestrogen clearance slows and circulating oestrogen rises. The liver also metabolises progesterone, testosterone, cortisol, thyroid hormones, and insulin — making it central to the entire hormonal ecosystem.
The TCM Role
In TCM, the liver governs the smooth flow of qi and blood throughout the body — including the hormonal cycle. When liver qi stagnation occurs (the most common consequence of chronic stress), this smooth flow is disrupted, producing irregular periods, PMS, breast tenderness, mood changes, and impaired hormonal clearance. The liver stores blood and nourishes the tissues — liver blood deficiency manifests as scanty periods, dry skin, brittle nails, and poor sleep. The liver meridian runs through the breasts and genitals, explaining why liver patterns produce breast tenderness and reproductive symptoms.
Supporting Liver Hormone Metabolism
Cruciferous vegetables (broccoli, Brussels sprouts, kale) contain DIM and I3C — compounds that actively promote beneficial oestrogen metabolism. Reducing alcohol, processed foods, and environmental oestrogens (plastics, pesticides) reduces the liver's hormonal burden. Key liver-supporting herbs include Chai Hu, Mu Dan Pi, and dandelion root (Pu Gong Ying). See our full article on how to flush out excess oestrogen.
To discuss liver health and hormones, contact me or book a consultation in Wokingham.
