Zinc oxide: what the studies show, and the products

5 of the human studies we graded used zinc oxide. Its products are graded on the studies of every form of zinc. This page is educational, not medical advice.

Studies of oxide
5
Showed an improvement
0
Products
5
Ranked
4
Upper limit, adults
40 mg a day
What it does, by goalMembersThe top 2 of 2 goals
GoalWhat the studies showStudiesDose that worked
Too few studies 2 studies, no clear result yet2–
No effect in studies 3 studies, 3 found none3–

Members see which goal each result is for, and the products for it. Start My 7-Day Free Trial →

Products – highest ranked firstMembersThe top 3 of 5
Dose and safetyThe dose that worked and the upper limit

No study we graded gave a dose that worked yet.

The upper limit for adults is 40 mg of zinc a day, counted as the zinc itself, not the weight of the compound; above it, members see a note and are told they can take less.

Biohacker panelMembersWhat our 10 biohackers say about zinc oxide
Questions people askMembersAnswered from the figures on this page

What is zinc oxide good for?

Answer for members.

Can I take zinc oxide with my meds?

Answer for members.

Members see the answers, checked against their own meds and goals. Start My 7-Day Free Trial →

Educational, not medical advice. Figures come from the human studies on PubMed we have graded; a study counts for a form when it names the form it used. Updated as new studies arrive. How we grade →