Therapeutic herb
Apple Cider Vinegar
Modest post-meal glucose reduction (5-20%) in published trials.
Active compounds
- acetic acid
Recommended daily intake
1–2 tbsp diluted in water before meals
Best cooking method
Salad dressings, brines, marinades; never neat (tooth enamel)
Flavor profile
Sharp, sour, slightly sweet
Conditions this herb supports
Pairs with these cuisines
Safety + contraindications
Tooth enamel + esophageal irritation — always dilute. Avoid with low-potassium meds.
This information is educational, not medical advice. Consult a qualified clinician before therapeutic-dose use, especially during pregnancy, lactation, or when on prescription medication.
Scientific research
Peer-reviewed studies cited from NIH PubMed. Click any PMID to read the abstract.
- RCT2004
Vinegar improves insulin sensitivity to a high-carbohydrate meal in subjects with insulin resistance or type 2 diabetes
Johnston CS, Kim CM, Buller AJ
Vinegar before meal improves insulin sensitivity by 19-34% in insulin-resistant adults.
PubMed PMID: 15630438
Studies summarized for plain-English understanding. Read the full abstract on PubMed for methodology, sample size, and limitations.