Who should avoid fasting/intermittent fasting?

Many of you know that I’m a huge advocate for fasting/intermittent fasting as it can trigger numerous hormonal adaptations that do not happen with basic caloric reduction/constant intake of food.

I also want to stress that fasting/intermittent fasting isn’t for everyone. 

I personally don’t have specific eating windows for myself – I eat when I’m actually hungry. If you ignore your hunger cues, you will add stress.

If you’re stressed, I don’t recommend fasting as it is just another stressor which will result in cortisol rising and possibly result in your adrenal glands becoming overworked. 

If you have low blood sugar (hypoglycemia) – I also do not recommend fasting until your glucose and insulin levels are properly managed. When intermittent fasting, there are extended periods of time where there are low levels of insulin circulating within the body. This is good for fat-loss, but not good for those with low blood glucose levels. 

Pregnant and breastfeeding women should also be cautious before fasting/intermittent fasting. 

Fasting in any of the above states can actually have adverse effects. 

I recommend to stop intermittent fasting if:

  • your menstrual cycle becomes irregular
  • you’re not recovering from workouts as easy
  • you have trouble falling asleep or experience sleep disturbances
  • your hair starts to thin or fall out
  • your overall tolerance to stress decreases

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