VCVITAMINS/CHART

The Bottom Line

Yes, you can take apple cider vinegar and green tea extract together because no significant interaction exists.

VERDICT

Apple cider vinegar and green tea extract together are a safe combination; there is no significant interaction between them. Both supplements are generally well-tolerated and can be taken as part of a healthy routine, though individual stomach sensitivity and medication use should guide how you take them.

Safe to combine Limited evidence
01 / MECHANISM

How They Interact

Apple cider vinegar (acetic acid) and green tea extract (EGCG) do not compete for the same absorption pathways or receptors. Acetic acid is a short-chain fatty acid that is quickly absorbed and metabolized; EGCG is a catechin polyphenol absorbed in the small intestine via passive diffusion. Both may have mild effects on postprandial glucose—ACV by delaying gastric emptying and EGCG by reducing glucose uptake in the gut—but these actions do not interfere with each other. EGCG is partly metabolized by the liver (COMT and UGT enzymes), while acetic acid is not metabolized by cytochrome P450 enzymes, so no drug-enzyme interaction is known. In practical terms, taking them together does not require adjusting doses.

02 / BEST PRACTICES

How To Take Them

Take both supplements with food, ideally at your largest meal of the day. If you prefer to space them, take ACV capsules or gummies before breakfast and green tea extract at lunch. A 30-minute gap between them can reduce gastrointestinal upset. Do not exceed the doses on the label; typical ACV doses are 500–1,000 mg per day and EGCG doses are 150–300 mg per day. If you miss a dose, skip it rather than doubling up.

03 / FORM MATTERS

Form & Quality Differences

Apple cider vinegar in capsule or gummy form is less likely to cause throat irritation or tooth enamel erosion than liquid vinegar, but the acetic acid content is similar. Green tea extract standardized to EGCG delivers a higher dose of catechins than brewed tea, and it may contain caffeine unless labeled decaffeinated. Neither form changes the lack of interaction between ACV and EGCG.

04 / COMMON STACKS

Where This Pair Shows Up

This pair appears in weight management and metabolic health supplements, often alongside cinnamon, chromium, or berberine. Some formulations also include caffeine or B-vitamins for energy.

Multivitamins Prenatals Performance Longevity
05

Practical Tips

06

Frequently Asked Questions

Who Should Be Careful Pregnant and breastfeeding women should consult their doctor before taking green tea extract in high doses, as caffeine and EGCG may cross the placenta or appear in breast milk. People with kidney disease or a history of kidney stones should be careful with green tea extract because it is high in oxalates. ACV may enhance the blood sugar-lowering effects of insulin and sulfonylureas, so glucose should be monitored. If you have a history of esophageal or stomach ulcers, take both with food or avoid them altogether.
08

Sources & Further Reading

  1. NIH ODS NIH Office of Dietary Supplements — Green Tea Extract Fact Sheet
  2. Examine.com Examine.com — Apple Cider Vinegar interaction page
  3. Examine.com Examine.com — Green Tea Extract interaction page
  4. Mayo Clinic Mayo Clinic — Apple Cider Vinegar: Can it be used for weight loss?

Reviewed by Caroline M. on October 7, 2026 for accuracy against the sources listed above. This page is educational and is not a substitute for professional medical advice.

WANT THE FULL PICTURE?

The matrix has 86 supplements and 7310 pairwise interactions. Click any cell to see the full breakdown.

Back To The Vitamins Chart All Apple Cider Vinegar (capsules/gummies) Interactions All Green Tea Extract (EGCG) Interactions