Evidence-Based, Non-Hormonal Nutritional Strategies to support natural fertility in Hypothalamic Amenorrhea
Written by fertility nutrition expert, Dr. Conor Kerley
Dr. Conor Kerley is a multi-award winning nutrition researcher, leading clinician as well as a member of the European Fertility Society and European Society of Human Reproduction and Embryology (ESHRE)
Many women with hypothalamic amenorrhea (HA) are otherwise fit, healthy and disciplined — which makes it even more confusing when periods disappear. The reassuring news is that HA is functional, meaning with the right support, recovery is possible.
What is Hypothalamic Amenorrhea?
Hypothalamic Amenorrhea (HA) is a condition where your menstrual periods stop because the hypothalamus (a part of your brain that regulates hormones) slows or stops sending signals to your ovaries.
It’s a functional problem — meaning there’s no structural damage — but hormone signalling is disrupted.
The hypothalamus normally releases GnRH (gonadotropin-releasing hormone) → which tells the pituitary gland to release LH and FSH → which stimulate the ovaries to produce oestrogen and ovulate.
In hypothalamic amenorrhea:
· GnRH pulses decrease
· LH & FSH drop
· Estrogen levels fall
· Ovulation stops
· Periods stop
Common Hypothalamic Amenorrhea symptoms
Missing periods (for 3 months or longer)
Irregular cycles before they stop
Low libido
Vaginal dryness
Fatigue
Difficulty getting pregnant
Bone loss over time (due to low oestrogen)
What are the causes of Hypothalamic Amenorrhea?
HA is usually triggered by stress on the body — physical, emotional, or nutritional.
1. Low Energy Availability
- Undereating
- Strict dieting
- Eating disorders
- Rapid weight loss
2. Excessive Exercise
- High-intensity training
- Endurance sports
- Not enough recovery or fuel
3. Psychological Stress
- Major life changes
- Chronic anxiety
- Trauma
Often it’s a combination of all three.
HA is sometimes discussed alongside the concept of the Female Athlete Triad, now more broadly described as Relative Energy Deficiency in Sport (RED-S) by the International Olympic Committee.
RED-S is a syndrome of poor health and declining athletic performance caused by low energy availability—where calories consumed are insufficient to support daily life and training. It impacts bodily systems beyond just bone health and menstrual function, causing fatigue, increased injury, reduced immunity, and psychological issues.
How is Hypothalamic Amenorrhea diagnosed?
Hypothalamic amenorrhea is a diagnosis of exclusion, meaning other causes of missing periods (like pregnancy, thyroid disorders, PCOS, or pituitary conditions) must be ruled out first. In addition, a medical history can reveal if the causes of HA listed above are present.
How is Hypothalamic Amenorrhea treated?
Treatment focuses on:
· Increasing calorie intake
· Reducing exercise intensity (if excessive)
· Managing stress
· Restoring healthy body fat levels
· Sometimes working with a therapist or dietitian
The goal is to restore natural hormone signalling.
Emerging human research suggests that specific nutrients can influence
· Regulation of hormone (e.g. oestrogen)
· Oxidative stress,
· Mitochondrial dysfunction,
· Fertility difficulties
Top Supplements to Support Fertility in Hypothalamic Amenorrhea?
Human research suggests the following nutrients may support hormonal signalling and reproductive function in women with hypothalamic amenorrhea:
1. Coenzyme Q10 – a 2016 study reported that daily supplementation with coenzyme Q10 increased FSH levels by over 225% on average, increased LH levels by almost 90% on average and decreased prolactin levels
2. Carnitine and N Acetyl Carnitine – A 2011 study reported that 1 gram (1,000mg) carnitine could increase LH levels. In an early study, 6 months of N Acetyl Carnitine led to menstruation in 60% of women with HA as well as increases in LH, oestrogen and Prolactin. In fact, a review from researchers in Italy was titled: ‘N-Acetyl carnitine as possible drug in the treatment of hypothalamic amenorrhea’ a 2017 study reported that combining Carnitine and N Acetyl Carnitine could increase LH but decrease cortisol in women with HA
3. Vitamin B6 (Pyridoxine) – there are 4 research studies of vitamin B6 in HA. Some research reported benefits while other research did not report a benefit. But vitamin B6 at moderate doses is very safe and possibly a worthwhile addition to a regimen for HA.
4. Vitamin B9 (folate or folic acid) – a 2010 study reported that vitamin B9 supplementation improve blood vessel function in women with HA
5. Vitamin E – an interesting study from 1950 suggests that vitamin E is important in the context of HA. Although this study is over 70 years old and there are no more recent studies, it should be noted that vitamin E is very safe. The researcher wrote: ‘It is well to remember however, that prevention is better than cure, and a rational and effective preventive would consist of a wholesome diet, supplemented if necessary with vitamin E’
6. Vitamin D is often recommended for women with HA to help maintain and restore bone health. But vitamin D may be related to menstrual disorders too. A 2018 study reported that in women with low vitamin D, 13% had amenorrhea while in women with normal vitamin D only 2% had amenorrhea. The researcher wrote: Women who did not meet the recommended level of 75 nmol/L of 25(OH)D had almost five times the odds of having menstrual cycle disorders as women who were above the recommended vitamin D level.
7. Bone health - a major issue in HA is bone health. In addition to vitamin D, antioxidants may be important. A 2019 study in women with HA reported that oxidative stress could be the link underlying different bone turnover pattern and endocrine dysfunction in HA. The way to combat oxidative stress is with antioxidants. So antioxidants could be very important in HA. Examples of antioxidants are
· Vitamin C
· Vitamin E
· Selenium
· Zinc
· Green tea extract
· Alpha Lipoic acid
· N-acetyl cysteine
These nutrients can affect:
· Regulation of hormone (e.g. oestrogen)
· Oxidative stress,
· Mitochondrial dysfunction,
· Fertility difficulties
Women with hypothalamic amenorrhea actively trying to conceive or planning a pregnancy in the future, should consider supplementing these above nutrients as well as specific nutrients to improve egg quality, such as:
· Additional B vitamins especially B2, B6 and B12
· Arginine
· Carnitine
· Chromium
· D-chiro inositol,
· Green tea extract
· Iodine
· Myo-inositol
· N acetyl carnitine
· Omega 3
· Selenium
Recreating these research-backed protocols individually may require:
· 6 to 25 separate supplements daily
· Multiple capsules per day
· Careful dose calculations
· Increased cost
Because research-backed doses matter. But combining these individual nutrients correctly can be complex, requiring multiple supplements and careful dosing.
Fertility Phix was designed by me, Dr Conor Kerley, to simplify this process by combining:
• Mitochondrial nutrients
• Antioxidants
• Hormone-supportive B vitamins
• Egg quality nutrients
In one structured simple daily protocol – a sachet
Fertility Phix is an all in one fertility supplement and was formulated to provide these research-backed nutrients in clinically relevant doses, alongside additional compounds that support egg quality, hormone balance, oxidative stress reduction and mitochondrial function - all in one convenient supplement.
If you have hypothalamic amenorrhea and are trying to conceive, targeted nutritional support may be a valuable part of your strategy. Explore Fertility Phix here or contact us to discuss whether it is right for you.
Who is Fertility Phix suitable for?
Women preparing for pregnancy who want comprehensive, research-informed nutritional support.
When to start Fertility Phix?
Lifestyle changes, including supplements are recommended for at least 3 months before conception. This is because a woman’s eggs take approximately 3 to 4 months (roughly 90-120 days) to mature -this is why we offer a 3 month bundle where if you add 3 boxes Fertility Phix sachets to your cart, you save 60 euro and get free shipping anywhere in the world!
Key Takeaways
· Hypothalamic amenorrhea is a functional suppression of the reproductive axis.
· Low energy availability and stress are the primary drivers.
· Restoration of energy balance is foundational and often involves increasing energy (calorie) intake and decreased energy usage (less exercise)
· Specific nutrients may support hormone signalling and bone health.
· Nutritional strategies should begin at least 3 months before conception.
Frequently asked questions
Can you get pregnant with hypothalamic amenorrhea?
Yes — once ovulation is restored, natural conception is possible.
How long does it take to recover from HA?
Often 3–6 months once energy intake and stress levels are corrected.
Should I exercise with hypothalamic amenorrhea?
Exercise may need to be temporarily reduced depending on severity.
Note, fertility issues are NOT female only. About half of fertility issues can be related to the male partner. If you are a lady trying to conceive, make sure your male partner has been tested, is following a fertility friendly lifestyle and check our these blogs:
Nutrients for Male Fertility, Sperm Quality and sperm count - The Science
Nutrients for Male Fertility, Sperm Quality and sperm motility - The Science
Nutrients for Male Fertility, Sperm Quality and sperm morphology - The Science
Nutrients for Male Fertility, Sperm Quality and sperm DNA fragmentation - The Science
Nutrients for Male Fertility, Sperm Quality and varicocele - The Science
In addition to HA, other common conditions contributing to fertility issues in women, include:
Advanced age
Antiphospholipid syndrome
Endometriosis
Fibroids
Hypothalamic amenorrhea
Lupus
PCOS
Premature ovarian insufficiency (POI)
Thyroid issues, especially Hashimoto's or autoimmune thyroiditis
Please note: This article is for educational purposes only and does not replace personalised medical advice.
· Not all supplements are appropriate for everyone. Always consult your GP or fertility specialist before starting supplements, particularly if undergoing assisted reproductive treatment.
· Timing matters – lifestyle changes, including supplements are recommended for at least 3 months before conception. This is because a woman’s eggs take approximately 3 to 4 months (roughly 90-120 days) to mature before ovulation, in a process known as folliculogenesis.
· Dosing matters – scientific research has reported benefits of certain doses. It is important to seek out and consume these doses to get the same benefits.
