mineral
Zinc supplements
Half of the 13,186 zinc supplements in the NIH label database that print an amount list 11 mg or less per serving; the middle half list 5 mg to 15 mg, and 1 in 17 of the 13,065 with a plausible amount give more than the adult upper limit at the most servings their labels direct (DSLD version 9.4.0, January 2026). The 418 products whose only supplement ingredient is zinc list a median of 30 mg, and 44% of them give more than the upper limit.
- Products listing it
- 13,75113,186 print an amount; 371 list it inside a blend without an amount
- Median per serving
- 11 mgmiddle half 5 mg to 15 mg
- FDA Daily Value
- 11 mgthe median is 100% of it
- Adult upper limit (IOM)
- 40 mg786 products go above it a day
How much zinc do supplements contain?
The median product lists 11 mg per serving. One in ten lists 2.2 mg or less, one in ten 30 mg or more. The amount printed most often is 15 mg (2,885 products).
Products by amount of zinc per serving
13,372 products, log scale; extreme 0.2% at each end left out of the drawing.
Source: Supplement Facts rows of every product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0; amounts in one measure (weight).
How do the amounts compare with the Daily Value and the upper limit?
The FDA Daily Value for zinc is 11 mg (adults and children 4 and older). The median product gives 100% of it per serving; the 90th percentile 273%.
The adult Tolerable Upper Intake Level is 40 mg a day (total intake from food, water and supplements). At the most servings their labels direct, 786 of the 13,065 products with a plausible amount (6.0%) give more than that from the supplement alone (what counts as plausible).
The upper limit is for total intake from food, water and supplements unless stated, and does not apply under medical supervision. A label amount is what the maker printed. This is data, not advice: the NIH ODS fact sheets explain what each nutrient does.
Sources: 21 CFR 101.9(c)(8)(iv) (Daily Values); Institute of Medicine, DRI summary tables (2011) (upper limits); on reading them, the FDA's Daily Value page.
Which forms of zinc do labels name?
Zinc oxide is the form named most often: 2,798 of the 13,751 zinc products (20%), ahead of zinc citrate (2,614, 19%) and zinc gluconate (1,509, 11%). A product naming two forms counts in both; the table below gives every form.
Products by the form of zinc on the label
Count, and the median amount per serving in that form.
| Form | Products | Share of zinc products | Median per serving |
|---|---|---|---|
| Zinc oxide | 2,798 | 20% | 15 mg |
| Zinc citrate | 2,614 | 19% | 10 mg |
| Zinc gluconate | 1,509 | 11% | 10 mg |
| Zinc glycinate | 1,215 | 9% | 13 mg |
| Zinc picolinate | 720 | 5% | 15 mg |
| Zinc sulfate | 508 | 4% | 10 mg |
| Zinc monomethionine | 436 | 3% | 15 mg |
| Zinc carnosine | 61 | under 1% | 14.5 mg |
| Zinc acetate | 38 | under 1% | 16.88 mg |
Source: the form each label gives for its zinc row (DSLD "forms"), current labels.
Which products list the most zinc?
On-market products, per serving, with a plausible amount: the rule leaves out likely entry slips, such as an amount far beyond every other label with no %DV or strength on the label to back it (each product page still shows its own amount, marked).
- Vita-Glan-FDouglas Laboratories100 mg
- Vita-Glan-MDouglas Laboratories100 mg
- Vita-M ForteDouglas Laboratories100 mg
- Zinc 50 mgIndiana Botanic Gardens100 mg
- Premium Immune SupportNutrivein100 mg
- Zinc Complex 100 mgMicro Ingredients100 mg
- OnSetNB Pure100 mg
- Zinc 100 mgNature's Blend100 mg
Have the amounts changed over the years?
Products whose current label entered DSLD in 2011 list a median of 15 mg; those entered in 2025, 11 mg.
| Year | Products | Median per serving |
|---|---|---|
| 2011 | 244 | 15 mg |
| 2012 | 786 | 15 mg |
| 2013 | 1,006 | 15 mg |
| 2014 | 567 | 11 mg |
| 2015 | 555 | 10 mg |
| 2016 | 538 | 11 mg |
| 2017 | 608 | 15 mg |
| 2018 | 502 | 10 mg |
| 2019 | 645 | 10 mg |
| 2020 | 1,199 | 10 mg |
| 2021 | 1,294 | 10 mg |
| 2022 | 1,453 | 11 mg |
| 2023 | 1,338 | 10 mg |
| 2024 | 1,446 | 10 mg |
| 2025 | 1,191 | 11 mg |
Source: DSLD label entry dates and amounts, current labels.
In which products and brands?
Products listing zinc by DSLD product type
Brands listing it most: Nature's Way (300), Douglas Laboratories (255), Nature's Plus (218), NOW (95), Bronson (94), Metagenics (82), Pure Encapsulations (79), Rainbow Light (77), XYMOGEN (75), Puritan's Pride (74).
Every product listing zinc
13,751 products, A to Z by name (page 29 of 276), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Bio Immune DefenseBioSorb Nutraceuticals · off the market1 mg as transcribed, likely a slip
- Bio MineralsHigher Nature10 mg
- Bio VegetarianPriority One Nutritional Supplements15 mg
- Bio Zinc 15 mgSolaray · off the market15 mg
- Bio-Active Complete Multi Vitamin for MenLiveGood15 mg
- Bio-Active Complete Multi Vitamin for WomenLiveGood15 mg
- Bio-B12Thorne Research · off the market15 mg
- Bio-Cardio 369Biotics Research Corporation15 mg
- Bio-Cardio PacksBiotics Research Corporation15 mg
- Bio-Cardiozyme ForteBiotics Research Corporation5 mg
- Bio-Certified Sambucus Immune SyrupNature's Way · off the market10 mg
- Bio-Detox PacksBiotics Research Corporation9 mg
- Bio-DontalinMBi Nutraceuticals28 mg
- Bio-Glycozyme ForteBiotics Research Corporation15 mg
- Bio-Immunozyme ForteBiotics Research Corporation30 mg
- Bio-Inflammatory Plus Functional FoodBioGenesis Nutraceuticals · off the market10 mg
- Bio-MinsMBi Nutraceuticals14 mg
- Bio-Multi PlusBiotics Research Corporation15 mg
- Bio-Multi Plus Iron & Copper FreeBiotics Research Corporation15 mg
- Bio-Multi Plus Iron FreeBiotics Research Corporation15 mg
- Bio-MusculoskeletalBiotics Research Corporation15 mg
- Bio-NaturalviteMBi Nutraceuticals16 mg
- Bio-OsteoMBi Nutraceuticals6 mg
- Bio-PCAInfoWars Life10 mg
- Bio-PMTThorne Research · off the market2.5 mg
- Bio-ProMBi Nutraceuticals10 mg
- Bio-ProstateBioGenesis Nutraceuticals · off the market10 mg
- Bio-Trophic PlusBiotics Research Corporation3 mg
- Bio-ZnMBi Nutraceuticals30 mg
- Bio.Revive Beta Immune +Invivo20 mg
- Bio35Pro-Biotiks15 mg
- BioActive Magnesium ComplexTerry Naturally5 mg
- Biochem Thyro-Max SupportCountry Life · off the market10 mg
- BioCleanseBioGenesis Nutraceuticals · off the market10 mg
- BioCleanseNutra BioGenesis10 mg
- BioCleanse PlusBioGenesis Nutraceuticals · off the market10 mg
- BioCleanse PlusNutra BioGenesis10 mg
- BioFoundation-GBioclinic Naturals15 mg
- BioFuel Cherry LimeadeAdvoCare2.2 mg
- BiograOL Olympian Labs20 mg
- Biogra PlusPrescribed Choice · off the market20 mg
- BioLyfe Keto ACV Gummies MaxJustified Laboratories5.5 mg
- Biome DTX Citrus FlavorSynergy3.75 mg
- BioMin IIThorne Research · off the market21 mg
- BiominsThorne Research · off the market20 mg
- BioMinsThorne · off the market20 mg
- Biomins IIThorne Research · off the market20 mg
- BioMins IIThorne · off the market20 mg
- BioMins II without Copper & IronThorne · off the market20 mg
- BioMins with Copper & IronThorne · off the market20 mg