Gammadyn I
by UNDA Gammadyn · liquid · 30 ampoules
- On the market (NIH)
- UPC 8 83196 31310 5
- DSLD label 241023
- Serving 0.07 fl. oz. ((1 ampoule)(2 mL))
- 30 servings
Gammadyn I by UNDA Gammadyn lists one ingredient: 24 mcg of iodine per serving of 0.07 fl. oz.. Its current label entered the NIH Dietary Supplement Label Database on January 22, 2021.
What is in Gammadyn I?
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 |
|---|---|---|---|
| Iodineas Potassium IodideIodine (Form: as Potassium Iodide) | 24 mcg | 27% | 95% of 6,382 products listing iodine give more (median 150 mcg). Per day at the most servings: 48 mcg. |
Source: NIH ODS Dietary Supplement Label Database, label 241023 (entered January 22, 2021), 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:
- 95% of the 6,382 products that print an amount of iodine list more than its 24 mcg of iodine (median 150 mcg).
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.
- Ionic Iodine 500 PPMGood State same ingredients
- KelpGNC Natural Brand same ingredients
- Sea KelpPuritan's Pride same ingredients
- KelpNew Sun same ingredients
- Kelp 150 mcgNOW · off the market same ingredients
- Kelp 150 mcg Of Natural IodineNOW · off the market 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 or as recommended by your health professional. Children (1-11 years): Take 1 ampoule once daily or as recommended by your healthcare professional. Squeeze contents directly into mouth. Use for 1 to 2 months or as recommended by your healthcare professional.
- Warnings
- Warning: If you are pregnant or lactating, have any health condition or are taking any medication, consult your health professional before use.
- Keep out of the reach of children.
- Do not use if ampoule is broken.
- Storage
- Store in a cool, dry place.
Source: label statements in DSLD label 241023.
What else is on the label?
Other ingredients: purified Water, Glucose.
How many labels does Gammadyn I have?
2 labels are on file under this name since January 25, 2016: other sizes, label designs and reformulations. The current one leads this page.
- Label 241023 (current) Entered January 22, 2021 · on the market · 30 ampoules · UPC 8 83196 31310 5
- Label 55388 Entered January 25, 2016 · off the market October 28, 2020 · 30 ampoules · UPC 883196 31310
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.