Apple cider vinegar
Fermented apple vinegar with meta-analysis signal for modest postprandial glucose blunting and small effects on fasting glucose and lipids.
Why
Apple cider vinegar (ACV), fermented apple cider containing 4–7% acetic acid, has become one of the most-asked-about kitchen-cabinet remedies. The Hadi 2021 systematic review and meta-analysis (9 RCTs) confirmed modest reductions in fasting glucose, HbA1c, total cholesterol and LDL versus control. Effects are smaller than pharmaceutical alternatives but real and dietary-friendly.
How it works
Acetic acid delays gastric emptying, slowing postprandial glucose absorption. Inhibits hepatic gluconeogenesis and disaccharidase activity. Modulates AMPK signalling in skeletal muscle.
Expected onset · Postprandial glucose effect acute; longer-term lipid effects over 8–12 weeks
How to take
Dosage
15–30 ml (1–2 tablespoons) of 5% apple cider vinegar, diluted in 200 ml of water, with meals. Trials use 15–30 ml/day.
Timing
With or just before main meals
On the label
Raw, unfiltered ACV 'with the mother' is most popularly used (no clear evidence of superiority); pasteurised is acceptable. Capsule forms are less acidic but also less studied.
Ideal for
Adults with prediabetes, postprandial glucose elevations, or mild dyslipidaemia exploring food-based adjuncts.
Safety
Evidence
Hadi 2021 BMC Complement Med Ther meta-analysis (9 RCTs, n=684): ACV reduced fasting glucose by 0.50 mmol/L, HbA1c by 0.39%, total cholesterol by 0.30 mmol/L and LDL by 0.32 mmol/L vs control. Effects modest but consistent. Preliminary, RCTs exist in non-tier-1 journals but are small or short-duration. No Cochrane review, EMA monograph or EFSA-authorised claim covers the indication.
Preliminary, RCTs exist in non-tier-1 journals but are small or short-duration. No Cochrane review, EMA monograph or EFSA-authorised claim covers the indication.
- Hadi et al., BMC Complement Med Ther 2021, the effect of apple cider vinegar on lipid profiles and glycemic parameters: meta-analysis
- Johnston et al., Diabetes Care 2004, vinegar improves insulin sensitivity to a high-carbohydrate meal in subjects with insulin resistance or type 2 diabetes
- Khezri et al., J Funct Foods 2018, beneficial effects of apple cider vinegar on weight management, visceral adiposity index and lipid profile in overweight or obese subjects receiving restricted calorie diet (RCT)
Where to get it
Shop Apple cider vinegar on AmazonSponsored · As an Amazon Associate, Healicus earns from qualifying purchases.