Effects of Fasting on Menopausal Symptoms

Written by Veronica Yoo

The topic of fasting has gained significant attention in recent years. From intermittent fasting to prolonged fasts, the health and wellness community is buzzing with discussions about the numerous potential benefits and drawbacks of these dietary practices. While some laud fasting for its potential to support weight loss, increase energy, and even enhance mental clarity, it’s essential to recognize that the effects of fasting can vary widely among individuals.

One group that may experience unique responses to fasting is menopausal women. Menopause is a natural biological process, but the accompanying symptoms can sometimes be challenging to navigate. For women who are considering fasting during this transition, understanding how it might impact their menopausal symptoms is crucial.

Let’s delve deeper into why fasting might exacerbate menopause symptoms for some women.

1. Hormonal Fluctuations and Fasting

Menopause is marked by significant hormonal changes, particularly in estrogen and progesterone levels. Fasting can also influence hormone levels. The interaction between the hormonal shifts of menopause and those induced by fasting can be complex.

When you fast, the body begins to seek alternative energy sources. This adaptive process can lead to changes in various hormones, including insulin, leptin, and ghrelin, to name a few. For women already grappling with hormonal fluctuations due to menopause, fasting might further complicate this delicate balance, intensifying certain symptoms.

2. Blood Sugar and its Role in Mood Regulation

Stable blood sugar levels are paramount for maintaining energy, concentration, and mood stability. Fasting, especially when done for extended periods, can lead to dips in blood sugar levels. These lows might manifest as mood swings, irritability, and fatigue – all common complaints during menopause. The intersection of menopausal hormonal changes and blood sugar dips from fasting can amplify these symptoms.

3. The Stress Hormone: Cortisol

Extended or overly restrictive fasting can increase cortisol production, a primary stress hormone. Elevated cortisol levels can disrupt sleep, induce weight gain, particularly around the abdomen, and increase the frequency or severity of hot flashes. Considering that many menopausal women already experience these symptoms, fasting can sometimes add fuel to the fire.

4. The Connection Between Fasting, Fatigue, and Sleep

One of the prominent complaints associated with fasting is fatigue. This is no surprise, given that the body is receiving fewer calories, and thus, less energy. Menopausal women frequently report sleep disturbances, from trouble falling asleep to waking up frequently throughout the night. A combination of sleep disruptions from menopause and fasting-induced fatigue can be especially taxing, further exacerbating other menopausal symptoms.

5. Serotonin, Diet, and Mood

Serotonin, often dubbed the “feel-good” neurotransmitter, plays a vital role in mood regulation. Its production can be influenced by various factors, including diet. Fasting, by reducing food intake, can potentially lower serotonin levels. This decrease might result in mood disturbances, irritability, or feelings of sadness. Given that mood swings are commonly reported during menopause, the potential serotonin drop from fasting might compound these emotional challenges.

6. Regulating Body Temperature: Hot Flashes and Fasting

One of the hallmark symptoms of menopause is hot flashes. While the exact cause remains somewhat elusive, it’s known that body temperature regulation is impacted during menopause. There’s some evidence to suggest that fasting can also affect this thermoregulatory process, potentially leading to more frequent or intense hot flashes or night sweats.

7. The Importance of Nutrient Balance

Fasting, especially when it’s prolonged or not well-planned, can result in nutrient deficiencies. Minerals like magnesium play a pivotal role in processes such as mood regulation, sleep, and muscle function. A deficiency, which could be exacerbated by fasting, might further intensify menopausal symptoms.

8. Hydration Matters

While fasting, it’s not uncommon for individuals to inadvertently reduce their fluid intake. Dehydration can result in a slew of symptoms, from headaches to fatigue. In the context of menopause, dehydration might intensify already prevalent symptoms like hot flashes and night sweats.

Conclusion: A Personalized Approach to Fasting During Menopause

Every individual’s body is unique. Some women might find fasting to be beneficial, while others may experience a worsening of their menopausal symptoms. What’s clear is that understanding the potential interplay between fasting and menopause is vital.

If you’re considering fasting during menopause, it’s essential to stay attuned to your body’s signals. Track any changes in symptoms, both positive and negative. Moreover, always consult with a healthcare provider before embarking on any fasting regimen, especially during significant life transitions like menopause.

Remember, while fasting offers numerous potential benefits, it’s crucial to approach it with knowledge and caution, ensuring that it supports, rather than hinders, your well-being during the menopausal transition.

Veronica Yoo

Veronica is dedicated and experienced nutritionist and certified health coach who specializes in functional medicine, She's a published author, nutritional instructor, WBFF professional figure athlete, and both the brains and beauty behind all that Makeover Nutrition offers.

Veronica is also the President & CEO of a BC based health and wellness association; Pacific Alliance of Body Care.