ingestible · for blood sugar support
Apple Cider Vinegar (Pre-Meal)
Reviewed by the Nimbera editorial team · Last updated May 2026
How to use
Dilute 1-2 tablespoons (15-30 ml) of apple cider vinegar in 250 ml (8 oz) of water. Drink 15-30 minutes before a carbohydrate-containing meal, 1-2 times daily. Always dilute - never drink undiluted vinegar. Use a straw to protect tooth enamel. Start with 1 tablespoon and increase gradually to assess tolerance.
How it works
Acetic acid in apple cider vinegar inhibits salivary amylase and intestinal disaccharidases, slowing starch breakdown and absorption. It may also suppress liver glucose production and improve insulin sensitivity. The result is a lower and slower rise in blood glucose after a meal.
Where to buy
Bragg Organic Apple Cider Vinegar (with "the mother") at most grocery stores, Walmart, Target, or Amazon. Typically sold in 16-32 oz bottles.
Typical cost: $5-$10 for a large bottle; at 2 tbsp per day this lasts 1-2 months.
Safety notes
Always dilute - undiluted acetic acid can erode tooth enamel and irritate the oesophagus. May interact with diuretics and digoxin. Can enhance blood-sugar-lowering effects of insulin or diabetes medications, risking hypoglycemia. Avoid if you have gastroparesis (delayed stomach emptying) as it may worsen the condition. Not a substitute for prescribed medication.
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.
This 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.