Apple cider vinegar and digestive enzymes: can you take them together?

Yes — apple cider vinegar and a digestive enzyme blend are commonly sold in the same capsule, and there's no known mechanism for the two to interfere. Vinegar's active component is acetic acid; an enzyme blend's active components are proteins that break food apart chemically. No trial we've found tests the combination directly, but the mechanisms don't overlap.

Two different mechanisms, often sold together

Apple cider vinegar is diluted acetic acid, produced by fermenting crushed apples. A digestive enzyme blend like DigeZyme is a set of proteins — amylase, protease, lipase, cellulase and lactase — that catalyze the breakdown of starch, protein, fat, plant fiber and milk sugar during digestion. One is a simple organic acid; the other is a set of enzymes. It's common for a commercial product to combine the two in a single capsule alongside other ingredients, which is a market fact about how these products are formulated, not evidence that combining them changes what either one does.

What the trials found

The only controlled trial of DigeZyme itself gave 40 adults with functional dyspepsia the enzyme blend alone — 150 mg a day for 60 days — against a placebo, with no vinegar included, and found improved symptom scores with no reported product-related adverse events. We haven't found dose-matched trial research on apple cider vinegar capsules combined with anything, including a digestive enzyme. Neither ingredient's evidence transfers to the other just because a product sells them together.

One safety detail is worth separating from the interaction question: a case report and follow-up lab testing found that vinegar tablets, taken without enough water, carry a documented risk of esophageal injury, and that acid content varies considerably between commercial vinegar-tablet products. That risk comes from the vinegar's acidity itself, not from any enzyme that might also be in the capsule — which is why taking any vinegar capsule with a full glass of water, as most labels direct, matters regardless of what else is in the formula.

Questions people ask

Can you take apple cider vinegar and digestive enzymes together?

Yes, commercially they're commonly combined, and there's no known mechanism for the two to interfere — different chemistry, different jobs. No trial we've found tests the combination for a specific outcome, so this is a plausibility statement based on how each ingredient works, not a tested result.

Does apple cider vinegar affect how a digestive enzyme works?

We haven't found a trial that measures this. Digestive enzymes generally function across a range of pH conditions found in the digestive tract, since they have to survive stomach acid to begin with, but that's a general fact about enzyme stability, not a study of vinegar specifically.

When to talk to a doctor

If you take medication, or have a diagnosed digestive condition, ask a doctor before adding either ingredient. See digestive enzymes: what the research does and doesn't show and apple cider vinegar and medications for each ingredient's evidence in full.