OptiZinc

by Source Naturals · tablet or pill · 240 tablets

  • On the market (NIH)
  • UPC 0 21078 00176 8
  • DSLD label 275608
  • Serving 1 tablet
  • 240 servings

OptiZinc by Source Naturals lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 30 mg of zinc and 300 mcg of copper. Its current label entered the NIH Dietary Supplement Label Database on September 22, 2022.

What is in OptiZinc?

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).

OptiZinc: Supplement Facts rows against the market (DSLD label 275608, January 2026 release)
IngredientAmount% DVAmong products listing it
Zincas Zinc Methionine Sulfate ComplexZinc (Form: as Zinc Monomethionine) (Alt. Name: OptiZinc)30 mg273%Zinc in OptiZinc against 13,186 products30 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg30 mg

Higher than 90% of 13,186 products listing zinc (median 11 mg).

Copperas Copper Sebacic Acid ComplexCopper (Form: as Copper Sebacate)300 mcg33%Copper in OptiZinc against 6,468 products0.3 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg0.3 mg

83% of 6,468 products listing copper give more (median 1 mg).

Source: NIH ODS Dietary Supplement Label Database, label 275608 (entered September 22, 2022), 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?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.

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
Suggested Use: 1 tablet daily with a meal.
Warnings
Note: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.
Do not use if either tamper-evident seal is broken or missing.
Keep out of the reach of children.
Allergens and what it does not contain
Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no starch, preservatives, or artificial color, flavor or fragrance.

Source: label statements in DSLD label 275608.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, modified Cellulose Gum, Silica, Stearic Acid, Magnesium Stearate.

How many labels does OptiZinc have?

5 labels are on file under this name since April 25, 2017: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 296118 Entered August 23, 2023 · off the market July 6, 2022 · 240 tablets · UPC 0 21078 00176 8
  2. Label 296117 Entered August 23, 2023 · off the market July 6, 2022 · 120 tablets · UPC 0 21078 00848 4
  3. Label 275608 (current) Entered September 22, 2022 · on the market · 240 tablets · UPC 0 21078 00176 8
  4. Label 272978 Entered August 23, 2022 · on the market · 120 tablets · UPC 0 21078 00848 4
  5. Label 72958 Entered April 25, 2017 · off the market December 22, 2021 · 120 tablets · UPC 0 21078 00848 4

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

Who makes it?

The label names Source Naturals, Inc. (distributor), Santa Cruz, CA. All Source Naturals products.

Where next?