Gammadyn Se
by UNDA Gammadyn · liquid · 30 ampoules
- On the market (NIH)
- UPC 8 83196 31410 2
- DSLD label 241065
- Serving 0.07 fl. oz. ((1 ampoule)(2 mL))
- 30 servings
Gammadyn Se by UNDA Gammadyn lists one ingredient: 40 mcg of selenium 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 Se?
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 |
|---|---|---|---|
| Seleniumas Sodium SeleniteSelenium (Form: as Sodium Selenite) | 40 mcg | 73% | 67% of 7,658 products listing selenium give more (median 55 mcg). Per day at the most servings: 80 mcg. |
Source: NIH ODS Dietary Supplement Label Database, label 241065 (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?
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 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.
- Natural Selenium 50 mcgVitamin World same ingredients
- Selenium 50 mcgViva Vitamins same ingredients
- Natural Selenium 50 mcgWindmill · off the market same ingredients
- Selenium Chelate 50 mcgDouglas Laboratories same ingredients
- Selenium 50 mcgNature's Plus · off the market same ingredients
- Selenium 50 mcgNature's Harmony 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: Take 1 ampoule 1 to 2 times daily 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 are pregnant or lactating, do not use, unless directed by your health professional. If you are taking any 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 241065.
What else is on the label?
Other ingredients: purified Water.
How many labels does Gammadyn Se 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 241065 (current) Entered January 22, 2021 · on the market · 30 ampoules · UPC 8 83196 31410 2
- Label 56251 Entered February 23, 2016 · off the market October 28, 2020 · 30 ampoules · UPC 883196 31410
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.