PlainVitamins

Zinc Gluconate 50 mg

by Windmill Natural Vitamins · tablet or pill · 100 tablets

  • Off the market since March 2025 (NIH)
  • UPC 0 35046 00416 3
  • DSLD label 299529
  • Serving 1 tablet
  • 100 servings

Zinc Gluconate 50 mg by Windmill Natural Vitamins lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 40 mg of calcium and 50 mg of zinc. Its current label entered the NIH Dietary Supplement Label Database on November 22, 2023.

What is in Zinc Gluconate 50 mg?

Each row as the label prints it, per serving of 1 tablet. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

Zinc Gluconate 50 mg: Supplement Facts rows against the market (DSLD label 299529, January 2026 release)
IngredientAmount% DVAmong products listing it
Calciumas Dicalcium Phosphate40 mg3%Calcium in Zinc Gluconate 50 mg against 17,831 products40 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg40 mg

79% of 17,831 products listing calcium give more (median 115 mg).

Zincas Zinc Gluconate50 mg455%Zinc in Zinc Gluconate 50 mg against 13,186 products50 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg50 mg

Higher than 97% of 13,186 products listing zinc (median 11 mg). 1.3 times the adult UL a day.

Source: NIH ODS Dietary Supplement Label Database, label 299529 (entered November 22, 2023), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • At 1 serving a day, the most its directions give, the label lists 50 mg of zinc, 1.3 times the adult Tolerable Upper Intake Level.

The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

6 products list the very same ingredients; the nearest amounts come first.

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
Directions: Take 1 tablet daily with food as a dietary supplement or as directed by a healthcare professional.
Warnings
Keep out of reach of children.
Do not purchase if seal is broken.
Allergens and what it does not contain
No sugar, wheat, soy, milk, artificial colors, flavors or preservatives Non gmo - gluten free - vegan
Storage
Protect from heat, light & moisture. Store in a cool, dry place.

Source: label statements in DSLD label 299529.

What else is on the label?

Other ingredients: Dicalcium Phosphate, Microcrystalline Cellulose, Stearic Acid, Croscarmellose Sodium, Magnesium Stearate.

How many labels does Zinc Gluconate 50 mg have?

3 labels are on file under this name since August 31, 2018: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 299529 (current) Entered November 22, 2023 · off the market March 7, 2025 · 100 tablets · UPC 0 35046 00416 3
  2. Label 215541 Entered March 24, 2020 · off the market November 4, 2022 · 100 tablets · UPC 0 35046 00416 3
  3. Label 180814 Entered August 31, 2018 · off the market November 4, 2022 · 100 tablets · UPC 0 35046 00416 3

DSLD also links this label to: Natural Source Zinc as Gluconate 50 mg (image difference, same product), Zinc 50 mg (Gluconate) (image difference, same product), Zinc Gluconate 50 mg (image difference, same product).

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Windmill Health Products (distributor), West Caldwell, NJ. All Windmill Natural Vitamins products.

Where next?