Gammadyn Zn-Cu
by UNDA Gammadyn · liquid · 30 ampoules
- Off the market since May 2025 (NIH)
- UPC 8 83196 31430 0
- DSLD label 241075
- Serving 0.07 fl. oz. ((1 ampoule)(2 mL))
- 30 servings
Gammadyn Zn-Cu by UNDA Gammadyn lists 2 ingredients, 2 with an amount per serving of 0.07 fl. oz., such as 0.067 mg of zinc and 0.073 mg of copper. Its current label entered the NIH Dietary Supplement Label Database on December 26, 2020.
What is in Gammadyn Zn-Cu?
Each row as the label prints it, per serving of 0.07 fl. oz.. 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).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Zincas Zinc GluconateZinc (Form: as Zinc Gluconate) | 0.067 mg | 1% | over 99% of 13,186 products listing zinc give more (median 11 mg). Per day at the most servings: 0.134 mg. |
| Copperas Copper GluconateCopper (Form: as Copper Gluconate) | 0.073 mg | 24% | 95% of 6,468 products listing copper give more (median 1 mg). Per day at the most servings: 0.146 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 241075 (entered December 26, 2020), version 9.4.0. See the label on DSLD. 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:
- over 99% of the 13,186 products that print an amount of zinc list more than its 0.067 mg of zinc (median 11 mg).
- 95% of the 6,468 products that print an amount of copper list more than its 0.073 mg of copper (median 1 mg).
The NIH database records 1 to 2 servings 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.
- True Food ZincHigher Nature same ingredients
- Zinc Chelate 30 mgPhysician's Preference · off the market same ingredients
- L-OptiZinc 30 mg + CopperNatural Grocers by Vitamin Cottage same ingredients
- OptiZincSource Naturals same ingredients
- L-OptiZinc 30 mgLuckyVitamin same ingredients
- Zinc Plus 30 mgAltrum same ingredients
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
- Recommended Dose: Adults and Adolescents (12 years and older): Take 1 ampoule 1 to 2 times daily with meals, a few hours before or after taking medications, or as recommended by your health professional. Children (1-11 years): Take 1 ampoule once daily with a meal, a few hours before or after taking medications, or as recommended by your health professional. Squeeze contents directly into mouth. Use for 1 to 2 months or as recommended by your health professional.
- Warnings
- Warning: If you have cancer, tuberculosis, or a history of tuberculosis, do not use.
- If you are pregnant or lactating, do not use, unless directed by your health professional. If you are taking medication or have any health condition, consult your health professional before use.
- Keep out of reach of children.
- Do not use if ampoule is broken.
- Storage
- Store in a cool, dry place.
Source: label statements in DSLD label 241075.
What else is on the label?
Other ingredients: purified Water, Glucose.
How many labels does Gammadyn Zn-Cu have?
2 labels are on file under this name since February 23, 2016: other sizes, label designs and reformulations. The current one leads this page.
- Label 241075 (current) Entered December 26, 2020 · off the market May 22, 2025 · 30 ampoules · UPC 8 83196 31430 0
- Label 56277 Entered February 23, 2016 · off the market October 28, 2020 · 30 ampoules · UPC 883196 31430
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Seroyal USA (distributor), Pittsburg, PA. All UNDA Gammadyn products.