Guide
Turmeric and zinc: what each one actually brings
Turmeric and zinc show up together in a lot of wellness routines, but they haven't been tested as a combination in a trial. Each has its own separate research: curcumin's best-documented human data is at concentrated extract doses, and zinc's is mostly about cold-lozenge duration at doses well above a daily multivitamin.
Turmeric and zinc are both common additions to a wellness routine, and they show up together in searches for skincare, soap and supplement blends. As oral supplements, though, they haven't been tested as a combination — each one has its own separate research, at its own separate dose.
What turmeric's research covers
Turmeric's studied compound is curcumin, a polyphenol that's well documented to absorb poorly on its own when taken by mouth. A 1998 human pharmacokinetic study found a 2 g dose of curcumin alone was barely detectable in blood, but adding just 20 mg of piperine (black pepper extract) raised curcumin's measured bioavailability by 2000%, which is why many turmeric supplements pair it with piperine or another absorption-enhancing formulation. A 2007 review of the same research area describes turmeric's other documented gaps: no established daily dose, and human trials that used a concentrated curcuminoid extract rather than the culinary spice. See what is turmeric? for the full picture of turmeric's forms and doses.
What zinc's research covers
Zinc is an essential mineral with its own, different research base. Its best-documented human use is shortening the length of a common cold — but only at lozenge doses of 75 mg/day or more, well above the 8-40 mg/day range in a typical daily zinc capsule or tablet, and with more nausea and bad taste reported than with placebo at that dose. A separate analysis of lozenge trials found doses of 80-207 mg/day cut cold duration by roughly a third, with no clear advantage for going higher within that range. Neither of those numbers describes a standing daily multivitamin dose. See zinc benefits: what the research does and doesn't show for the full picture, including what zinc's research doesn't cover.
No trial has tested the combination
We haven't found a study that tested turmeric and zinc taken together, in any form or dose. Turmeric's research is about curcumin's absorption and its use in joint-symptom trials at concentrated extract doses; zinc's research is mostly about cold-lozenge duration at doses several times a daily multivitamin amount. There's no documented interaction between them at typical supplement doses, but combining them isn't something a trial has shown does more than either ingredient alone.
Questions people ask
Can you take turmeric and zinc together?
There's nothing in the research against it as a routine choice — the two ingredients haven't been shown to interact at typical supplement doses — but no trial has tested combining them for a better outcome than either alone.
What's the difference between turmeric zinc soap and a zinc turmeric supplement?
They're different product categories. Turmeric-and-zinc-oxide soaps and skincare products are topical, applied to skin, and rest on a separate (and much smaller) body of topical research from the oral-supplement question this page covers. Zinc oxide itself is a common sunscreen and skin-protectant ingredient, distinct from the zinc compounds (citrate, gluconate, bisglycinate and others) used in swallowed supplements — see zinc vs. zinc oxide for that distinction.
Does zinc help turmeric absorb better?
No trial has tested that. Piperine is the absorption enhancer with actual human pharmacokinetic data behind it; zinc hasn't been studied for that purpose.
Related reading: what is turmeric?, zinc benefits: what the research does and doesn't show, types of zinc supplements compared, and how much turmeric should you take a day?
Sources
- Bioavailability of curcumin: problems and promises A 2007 review found curcumin is safe at doses up to 12 grams a day in early human trials but absorbs poorly on its own, which is why supplements pair it with piperine, a phospholipid complex, liposomes or nanoparticles to raise how much reaches the bloodstream.
- Influence of piperine on the pharmacokinetics of curcumin in animals and human volunteers A 1998 study found 2 g of curcumin taken alone barely showed up in human blood at all, but adding just 20 mg of piperine (from black pepper) increased how much curcumin reached the bloodstream by 2000%.
- Zinc for the common cold Zinc lozenges taken within a day of a cold starting shortened its length by about a day in a 2013 review of 16 trials, but only at doses of 75 mg/day or more, with more nausea and bad taste than placebo.
- Zinc lozenges and the common cold: a meta-analysis comparing zinc acetate and zinc gluconate, and the role of zinc dosage A 2017 analysis of 7 lozenge trials found colds about a third shorter with zinc acetate or gluconate lozenges dosed at 80-207 mg/day, with no added benefit from the higher end of that range.
*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.