L-OptiZinc 30 mg

by NOW · capsule · 100 veg capsules

  • On the market (NIH)
  • UPC 7 33739 01510 5
  • DSLD label 314451
  • Serving 1 veg capsule

L-OptiZinc 30 mg by NOW lists 4 ingredients, 4 with an amount per serving of 1 veg capsule, such as 30 mg of zinc and 0.3 mg of copper. Its current label entered the NIH Dietary Supplement Label Database on June 20, 2024.

What is in L-OptiZinc 30 mg?

Each row as the label prints it, per serving of 1 veg capsule. 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).

L-OptiZinc 30 mg: Supplement Facts rows against the market (DSLD label 314451, January 2026 release)
IngredientAmount% DVAmong products listing it
Zinc30 mg273%Zinc in L-OptiZinc 30 mg 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).

L-OptiZincas Zinc Monomethionine170 mg
Copper0.3 mg33%Copper in L-OptiZinc 30 mg 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).

Copper Amino Acid Chelate3 mg

Source: NIH ODS Dietary Supplement Label Database, label 314451 (entered June 20, 2024), 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 Usage: Take 1 capsule daily.
Warnings
Caution: For adults only. Keep out of reach of children.
Consult physician if pregnant/nursing, taking medication, or have a medical condition.
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Allergens and what it does not contain
Non-GMO
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients.
Storage
Store in a cool, dry place after opening.

Source: label statements in DSLD label 314451.

What else is on the label?

Other ingredients: Rice Flour, Hypromellose, Stearic Acid.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Triangle K (Kosher); GMP Quality Assured.

How many labels does L-OptiZinc 30 mg have?

5 labels are on file under this name since October 25, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 314451 (current) Entered June 20, 2024 · on the market · 100 veg capsules · UPC 7 33739 01510 5
  2. Label 70724 Entered March 24, 2017 · off the market February 12, 2024 · 100 veg capsules · UPC 7 33739 01510 5
  3. Label 52828 Entered October 22, 2015 · off the market November 30, 2016 · 100 veg capsules · UPC 7 33739 01510 5
  4. Label 28299 Entered February 26, 2014 · off the market September 30, 2015 · 100 capsules · UPC 7 33739 01510 5
  5. Label 14846 Entered October 25, 2012 · off the market April 8, 2013 · 100 capsules · UPC 7 33739 01510 5

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

Who makes it?

The label names NOW FOODS (manufacturer), Bloomingdale, IL. All NOW products.

Where next?