How can intermittent fasting affect health?


Intermittent fasting, including time-restricted feeding, has several notable health benefits, as discussed by on the .

Key Health Benefits

  1. Gut Health:

    • Intermittent fasting can improve gut health by promoting beneficial gut bacteria and reducing harmful bacteria like lactobacillus that, when in high levels, are associated with metabolic disorders 1.
  2. Liver Health:

    • Time-restricted feeding helps in preventing non-alcoholic fatty liver disease by increasing brown fat stores, which enhance thermogenesis and reduce harmful fats in the liver 2.
  3. Weight and Fat Loss:

    • Effective for managing weight and reducing fat. Several time-restricted feeding schedules can have varying impacts on weight loss, fat loss, and muscle maintenance 3.

      Intermittent Fasting Benefits

      Andrew explains how intermittent fasting can improve gut health by promoting healthy gut microbiota and reducing the amount of lactobacillus present in the gut. Time-restricted feeding can assist people with irritable bowel syndrome and other forms of colitis by impacting the expression of clock genes and having a direct effect on the mucosal lining.

      Huberman Lab

      Effects of Fasting & Time Restricted Eating on Fat Loss & Health | Huberman Lab Podcast #41
  4. Hormonal Balance:

    • Adequate fasting periods have been shown to support the balance of key hormones like leptin and insulin, which are crucial for metabolism and reproductive health 3.
  5. Insulin Sensitivity:

    • Improves insulin sensitivity, reducing the risk of type 2 diabetes, and enhances the body’s ability to utilize blood sugar efficiently 4.
  6. Mental Health:

    • Potential benefits for mental health, including mood improvement and potentially helping with treatment-resistant depression, though more research is needed in this area 5.

Practical Recommendations

  1. Feeding Window:

    • Avoid eating at least 60 minutes after waking and 2-3 hours before bedtime. Aim for an 8-hour feeding window for optimal benefits 6.
  2. Transition Period:

    • Gradually narrow your eating window over 3-7 days to allow your hormone systems to adjust, preventing overwhelming hunger and irritability 3.

Consult with a healthcare provider to ensure intermittent fasting is a good fit for your individual health needs.