Is intermittent fasting good for girls with thyroid illness? It’s a query I get on a regular basis from purchasers and curious followers. So let’s talk about!

Is Intermittent Fasting Good for Women with Thyroid Disease?

Let’s begin out with clarifying what precisely is intermittent fasting:

The time period is thrown round within the well being discipline lots nowadays. Intermittent fasting is a well-liked apply, however we must always take the time to make clear what intermittent fasting truly can appear like. As a result of totally different folks do it in numerous methods!

Whereas the technical timelines can range barely, the overall thought of intermittent fasting is to go an extended time frame with out consuming meals and to shorten the “consuming window” by which you’re allowed to eat meals. 

This will look other ways:

  • The 14:10 – That is while you quick for 14 hours and eat throughout a 10-hour window. Sometimes, it means you’ll be pushing breakfast again a number of hours after waking. 
  • The 16:8 – That is while you quick for 16 hours and eat throughout an 8-hour window. Sometimes, it means you’ll be pushing breakfast again a number of hours after waking.
  • Fasting Mimicking, or the 5:2 – That is when energy are restricted to 500 energy per day for 2 days per week. The opposite 5 days you’ll eat as regular. 
  • Eat-Cease-Eat – This technique requires a 24-hour quick throughout two full days of the week. Nowadays are to not be consecutive. 
  • Alternate Day Fasting – This technique is while you comply with a fasting protocol, however you don’t do it each day.
  • One Meal a Day – This technique permits for one giant meal a day or a really quick consuming window of 4 hours or much less.

Clearly, there are various kinds of methods intermittent fasting may be carried out, however the common thought is to lower the consuming window and improve the window by which you aren’t consuming any vitamin. 

Why do I counsel NOT intermittent fasting, particularly in case you have thyroid illness?

Whereas many males do effectively practising intermittent fasting, you might be stunned to know I’m not a fan of intermittent fasting for girls. After seeing its results on numerous ladies by my apply, I can’t suggest it. 

Why? Properly, for a number of causes…

A lot of the analysis exhibiting the advantages of intermittent fasting has been performed on male topics. There isn’t any dependable, huge scale proof exhibiting a major profit for females:

Overwhelmingly, the research that present any advantages of intermittent fasting had been performed on majority male topics. Analysis is sorely missing in relation to feminine response to intermittent fasting. In actual fact, only 13 individual women were included at all out of seventy-one studies found in Harvard’s database for intermittent fasting. 

Moreover, no managed research on intermittent fasting have been performed on the feminine inhabitants. What does this imply? There are not any dependable research that permit us to attract conclusions and legitimate analysis about how intermittent fasting impacts females.

Intermittent fasting can result in elevated cortisol, diminished intercourse hormones and hormonal imbalance in ladies:

Intermittent fasting, significantly for girls, may be perceived by the physique as a stressor. Perceived stress due to intermittent fasting can lead to increased cortisol at baseline, which may create a cascade impact of hormonal imbalance.

Moreover, the feminine reproductive system may be very delicate to emphasize, rather more so than males. Throughout fasting the hypothalamus in women may actually turn down the production of sex hormones – particularly GnRH, which stimulates the release of FSH and LH – as the body perceives the lack of nutrient intake as stress.

Intermittent fasting can result in impaired glucose response in ladies:

A research in Obesity Society discovered that ladies with a wholesome physique weight who tried alternate day intermittent fasting started to current with impaired glucose response. 

We already established that intermittent fasting can result in hormonal imbalances in ladies. The truth that it will probably additionally result in impaired glucose response is unsurprising, given the sturdy tie between hormonal dysregulation and blood glucose dysregulation. 

What do I counsel as an alternative choice to intermittent fasting?

Whereas I don’t counsel a rigorous fasting schedule, I’m a proponent of a pure “quick” that’s in sync with the physique’s pure circadian rhythm. 

What does this appear like?

I counsel ceasing to eat after dinner till breakfast time (about 12 hours) as your pure “quick.”. And I strongly counsel consuming breakfast inside one hour of waking. This pure 12-hour “quick” between dinner and breakfast works with the physique’s pure eating-waking-sleeping rhythms to advertise hormonal steadiness, correct cleansing, good blood sugar regulation, and restoration in addition to different optimistic well being advantages. 

Extra Sources for You:

  • Should you suspect an underlying hormonal imbalance, whether or not resulting from a interval of intermittent fasting or some other motive, learn my article on the way to start to steadiness your hormones naturally – How to Balance Hormones Naturally
  • Should you suppose you may need blood sugar dysregulation, whether or not resulting from intermittent fasting or some other motive, learn my article to start to work on balancing your blood sugar – How to Balance Blood Sugar Naturally
  • On the word of blood sugar, I’ve a really useful article and recipe on the way to curb sugar cravings – How to Curb Sugar Cravings with Buttermints
  • Lastly, in the event you discover you’re battling starvation between meals or after dinner, it’s doable you’re undereating. I see this lots with ladies in my apply! Paradoxically, limiting energy at meals after which grazing and snacking all through the day not solely isn’t the only option for our hormonal steadiness, it additionally hinders weight reduction. Ensure you’re consuming wholesome and sufficient meals at every meal. Learn this to get began – What is a Nutrient-Dense Diet?


Whether or not you have an interest in intermittent fasting for weight reduction, excessive blood sugar, anti-aging advantages or anything, please do not forget that all of this stuff are most successfully attained and maintained by stress discount, a nutrient-dense weight-reduction plan, light motion and each day cleansing. 

I hope this helps you assess your consuming practices and make the perfect resolution for a sustainably wholesome future! 


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