Guide
Acidophilus and zinc: can you take them together?
Acidophilus (a probiotic) and zinc (a mineral) are separate ingredient categories with no trial testing them combined and no known mechanism for interference.
Acidophilus is a live bacterium; zinc is a mineral. No trial we found tests the two supplements taken together, and there's no known mechanism by which one would interfere with the other the way antibiotics interfere with a probiotic. Taking them as separate supplements is a formulation choice, not something either ingredient's research has evaluated as a combination.
Two different categories
Acidophilus is a probiotic — a live organism dosed in colony-forming units (CFU) — while zinc is an essential mineral dosed in milligrams, available in forms like zinc picolinate, citrate, gluconate or oxide. They're regulated and studied as entirely separate ingredient categories, with separate trial literatures. See what is acidophilus and zinc forms compared for each on its own.
Is there a known interaction?
No trial or case report specific to acidophilus and zinc appears in the research reviewed for this ingredient. That's different from a proven absence of interaction — it means the specific combination hasn't been studied, not that it's been tested and cleared. Zinc has its own separate list of known interactions unrelated to probiotics (for example, with certain antibiotics and with copper absorption at high doses) — a pharmacist can check those against zinc specifically if you take other medication, covered in zinc and medications: what to check.
If a product combines them
Some multi-ingredient formulas include both a probiotic strain and zinc in one capsule or blend. If you're considering one, check the label for the same details that matter separately for each: which acidophilus strain and CFU count, and which form and milligram amount of zinc, rather than assuming a combination product is automatically more effective than taking either alone — no trial reviewed here tested that assumption.
What's actually been studied for each
What acidophilus has and hasn't been shown to do, strain by strain, is covered in acidophilus benefits: what the research does and doesn't show. Zinc's own evidence is covered separately in zinc benefits: what the research does and doesn't show — the two reviews don't overlap, because no trial tested them as a pair.
Questions people ask
Can I take acidophilus with zinc?
There's no trial testing the combination specifically, and no known mechanism by which the two would interfere with each other. If you take other medication, check zinc's separate interaction list with a pharmacist.
Does zinc affect how acidophilus works?
No trial reviewed here tested that question. Zinc doesn't work by killing bacteria the way an antibiotic does, so the specific concern that applies to antibiotics and probiotics — reduced live organisms surviving to the gut — doesn't have an established parallel for zinc.
Related reading: zinc dosage and acidophilus and medications: what to check.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.