How to Reduce High AMH Levels in PCOS: Natural Ways to Manage It

What is Anti-Mullerian Hormone (AMH)? And Why Does It Matter in PCOS?

Anti-Mullerian hormone is a hormone produced by the granulosa cells that surround the tiny follicles in your ovaries. Its level in the blood is an indication of your ovarian reserve, or how many eggs you have remaining.

AMH levels can be significantly high in women with Polycystic Ovary Syndrome (PCOS).  This happens because PCOS causes a large number of small, immature follicles to accumulate in the ovaries, where each of these follicles contributes to AMH production. Its result is a notably higher AMH reading on a blood test.

Note that a high AMH in PCOS does not mean improved fertility. Rather, it points to a disruption in how follicles develop. They accumulate but do not mature or release an egg normally. The problem lies in follicle development, not egg quantity alone. Due to this pattern, AMH testing is increasingly being used as a diagnostic tool for PCOS. Sometimes, it is used alongside or in place of the traditional ultrasound follicle count.

What Causes High AMH Levels in PCOS?

While there is no one specific cause, several factors contribute to elevated AMH in PCOS:

• Increased antral follicle count

  Women with PCOS have 2–3 times more small antral follicles (fluid-filled sacs in the ovary) than women without the condition. Since each follicle produces AMH, a high follicle count directly raises AMH levels.

• Insulin resistance

  Excess insulin overstimulates the ovaries and hinders normal follicle growth. This leads to follicle arrest and causes prolonged and excessive AMH secretion.

•  Hyperandrogenism

  Elevated androgen levels in PCOS stimulate the growth of small follicles but inhibit their maturation and ovulation, leading to persistently high AMH levels.

• LH/FSH imbalance

  In PCOS, LH levels are disproportionately high relative to FSH. This hormonal imbalance drives excessive follicle stimulation and abnormal AMH secretion, which contributes to irregular cycles.

• Low-grade inflammation

  Chronic inflammation in PCOS can overstimulate the ovarian granulosa cells responsible for AMH production. This increases AMH levels and contributes to poor follicle development and irregular ovulation.

What level of AMH is dangerous? Understanding AMH Reference Ranges

AMH levels are measured in nanograms per millilitre (ng/mL). Laboratory reference ranges may vary slightly. However, the general interpretation is as follows:

Note: AMH levels vary by age. Always interpret results considering your age and clinical situation.

What dietary changes can help reduce AMH in PCOS?

Diet plays a key role in shaping the hormonal environment that influences elevated AMH levels. The following evidence-backed dietary strategies are most relevant:

• Low-Glycemic Index (GI) Diet.

  A low-GI diet, which includes whole grains, pulses, and non-starchy vegetables, can be good. Reduce refined carbs and added sugar to avoid sudden blood sugar spikes and high insulin levels. Besides helping reduce androgen production from the ovaries, it can support healthier follicle development.

• Anti-Inflammatory Foods

  PCOS is linked to chronic low-level inflammation, which can affect how follicles develop. Eating foods rich in omega-3 fatty acids, like oily fish, flaxseeds, and walnuts, along with colorful fruits and vegetables (and spices like turmeric) can help reduce inflammation and support ovarian health.

• Sufficient Protein per Meal.

  Protein helps stabilize blood sugar, provides satiety, and reduces insulin needs. Some good sources include eggs, legumes, fish, chicken, and Greek yogurt.

• Limit Dairy and Processed Foods.

  High-fat dairy and ultra-processed foods may aggravate androgen excess in PCOS. Currently, evidence is limited and inconclusive, but reducing their intake may support improved hormonal balance for some women.

• Limit Alcohol and Caffeine.

  Alcohol and excessive caffeine may disrupt your hormonal balance and cause difficulty with detoxification of extra estrogens and androgens, which may worsen PCOS symptoms. Reducing them can help maintain a more favorable hormonal environment in PCOS.

Which Lifestyle Habits Can Help Manage AMH Levels?

Lifestyle changes can help address the underlying hormonal imbalances and specifically insulin resistance, androgen excess, and inflammation that drive higher AMH in PCOS.

Some lifestyle habits that may help control AMH levels include:

• Low-glycaemic diet

  Choosing complex carbohydrates, high-fiber foods, and balanced meals helps regulate blood sugar and improve insulin sensitivity. You should also avoid refined sugar.

• Weight loss

  Even a little weight loss in women with PCOS may significantly improve hormonal balance, restore regular menstrual cycles and support ovulation. This results in improved reproductive and metabolic health.

• Consistent physical exercise

  Cardio and strength training can help improve insulin sensitivity, support healthy weight management, and positively influence your metabolic and hormonal health.

• Reduction of stress and sleep

  Practices like yoga, meditation, and 7-8 hours of quality sleep play a major role in hormonal balance, stress relief, and improving PCOS symptoms and overall health.

What are the treatment options to reduce AMH in PCOS?

If lifestyle changes are insufficient, medical treatments can help address the underlying hormonal imbalances for high AMH in PCOS:

• Metformin

  Metformin is a first-line treatment for insulin-resistant PCOS. It lowers insulin and androgen levels and has been observed to reduce AMH within 3-6 months. It induces ovulation in many women.

• Gonadotropin-Releasing Hormone Analogs.

  In IVF procedures, GnRH antagonists are administered to curb excessive response in women with very high AMH and reduce the chances of ovarian hyperstimulation syndrome (OHSS). They suppress ovarian activity and moderate the excessive follicular response common in PCOS.

What Supplements Could be Useful in Reducing AMH Levels?

There is emerging evidence that supports the role of supplements in managing PCOS-related hormonal imbalances, including high AMH levels. However, most research is based on small or short-term studies. So, you should always discuss any supplementation with your doctor before starting.  

• Myo-Inositol and D-Chiro-Inositol

  One of the most well-researched supplements for PCOS is inositol. It improves insulin sensitivity and supports ovarian function.

• Vitamin D

  PCOS is associated with vitamin D deficiency, greater AMH and poorer insulin resistance. Correcting the deficiency through supplementation can support improved ovarian function. However, testing your levels is recommended before supplementing, as appropriate dosing depends on your baseline levels.

• Berberine

  Berberine is similar to metformin in enhancing insulin sensitivity. It has been found to lower AMH, testosterone, and LH in women with PCOS.

• N-Acetyl Cysteine (NAC)

  NAC is an antioxidant precursor that improves insulin resistance, oxidative stress, and hormonal parameters in PCOS. Some small studies suggest it can reduce high AMH, though the evidence remains preliminary.

• Omega-3 Fatty Acids

  Fish oil supplementation may reduce androgens, improve menstrual cycle regularity, and decrease inflammatory biomarkers in PCOS to support a healthier AMH profile.

  However, it is essential to consult with a medical professional before taking supplements, especially when pregnant, undergoing IVF, or taking medications.

Conclusion

Managing high AMH in PCOS is about addressing the underlying hormonal imbalances, such as primarily insulin resistance, androgen excess, and chronic inflammation.

Generally, a combined approach works best. Drugs like metformin are effective, especially in women with high insulin levels. Natural supplements, such as inositol and some herbs can also help balance AMH levels and support ovarian function over time.

Lifestyle changes, including a balanced diet, regular exercise, stress management and good sleep, are critical. They help balance hormones and support ovulation. If your AMH is high, it’s best to consult a doctor to identify the cause and develop a treatment plan tailored to you.

Medical treatment, nutrition and targeted supplementation can reduce the effect of high AMH. They can help restore normal menstrual cycles and ovulation. You can achieve significant improvement in symptoms, cycle regularity, and fertility outcomes with the right approach.