Natural Supplements for PMS
By Dr (TCM) Attilio D'Alberto | Traditional Chinese Medicine Practitioner, Wokingham
Premenstrual syndrome (PMS) affects the majority of women of reproductive age to some degree, with up to 30% experiencing symptoms severe enough to disrupt daily life. The right combination of supplements, alongside acupuncture and Chinese herbal medicine, can make a substantial difference to premenstrual symptoms — in many cases more effectively than conventional treatments. In traditional Chinese medicine, PMS is rooted in liver qi stagnation and often compounded by blood deficiency and spleen qi deficiency — addressing these patterns is the key to lasting improvement.
Magnesium (300–400mg daily)
Magnesium is the most important supplement for PMS and has the strongest evidence base. It reduces anxiety, irritability, mood swings, breast tenderness, bloating, and headaches. Progesterone promotes magnesium excretion, meaning women naturally deplete it in the luteal phase — supplementation replenishes what the hormonal cycle removes. Magnesium glycinate is the best-absorbed form and the least likely to cause digestive upset. Take it consistently throughout the month rather than only premenstrually for the best results.
Vitamin B6 (50–100mg daily)
Vitamin B6 is required for serotonin synthesis and has clinical evidence for reducing premenstrual mood symptoms, irritability, and depression. It works synergistically with magnesium — the combination is consistently more effective than either alone. The active form (pyridoxal-5-phosphate, P5P) is better absorbed than standard pyridoxine, particularly in women who do not convert B6 efficiently.
Calcium (1,000mg daily)
Multiple randomised controlled trials have shown that calcium supplementation significantly reduces the emotional symptoms (mood swings, depression, anxiety) and physical symptoms (bloating, cramps) of PMS. The mechanism involves calcium's role in neurotransmitter synthesis and its interaction with parathyroid hormone, which fluctuates with oestrogen. Dairy foods provide calcium but also add to dampness in TCM terms — a supplement is preferable for most PMS patients.
Vitex (Agnus Castus)
Vitex agnus castus (chasteberry) is the most widely studied herbal supplement for PMS. It acts on the pituitary gland to reduce prolactin levels and normalise the progesterone-to-oestrogen ratio in the luteal phase — addressing the hormonal imbalance underlying many PMS symptoms. Multiple RCTs confirm significant reductions in breast tenderness, irritability, mood changes, and headache. It requires consistent use over several cycles to show its full benefit.
Evening Primrose Oil
Evening primrose oil contains gamma-linolenic acid (GLA), which reduces the production of inflammatory prostaglandins. It has specific evidence for premenstrual breast tenderness (mastalgia) and is worth trying where this is the dominant complaint.
The TCM Approach
Supplements address individual symptoms but do not correct the underlying TCM pattern. The most effective approach combines targeted supplementation with acupuncture and bespoke herbal treatment. For liver qi stagnation, Xiao Yao San or Jia Wei Xiao Yao San are the foundational formulas. For blood deficiency contributing to premenstrual symptoms, Ba Zhen Tang builds the blood in the follicular phase. I prescribe pharmaceutical-grade granules from Sun Ten in Taiwan, adjusted to each patient's specific pattern.
To discuss PMS treatment, contact me or book a consultation in Wokingham.
