lifestyle · for sibo (small intestinal bacterial overgrowth)
Extended Overnight Fasting (MMC Reset)
Reviewed by the Nimbera editorial team · Last updated May 2026
How to use
Allow a minimum 12-hour overnight fast (e.g., stop eating at 7pm, do not eat until 7am). Between meals during the day, maintain 4-5 hour windows with no snacking to allow full MMC cycles. Drink only water or plain herbal tea between meals and during the fasting window.
How it works
The migrating motor complex is the gut's housekeeper wave that sweeps debris and bacteria from the small intestine every 90-120 minutes during fasting. Eating even small amounts resets the MMC cycle back to zero. Frequent eating means the MMC never completes, allowing bacteria to accumulate and colonize the small intestine.
Where to buy
No products needed.
Typical cost: Free
Safety notes
Extended fasting is not appropriate for people with hypoglycemia, eating disorder history, or low body weight. Best used as a maintenance and relapse-prevention strategy after eradication. Those on blood sugar medications should consult their doctor before changing meal timing.
Drug & supplement interactions
- Always tell your doctor or pharmacist about any supplements you take.
- Interactions can occur with prescription medications, blood thinners, and immunosuppressants.
- Herbal remedies can affect how the body absorbs or metabolises drugs.
- Check drugs.com interactions checker before starting.
Clinical source
NCCIH - Gut Motility and MicrobiomeThis information is compiled from primary clinical literature and is for informational purposes only. It is not a substitute for professional medical advice. Read our full disclaimer.