PlainVitamins

Ionic Selenium 300 mcg

by Trace Minerals Research · liquid · 2 fl. Oz.

  • Off the market since June 2022 (NIH)
  • UPC 8 78941 00018 8
  • DSLD label 57104
  • Serving 1.25 ml ((1/4 tsp) (1 1/4 full dropper))
  • 48 servings

Ionic Selenium 300 mcg by Trace Minerals Research lists 3 ingredients, 3 with an amount per serving of 1.25 ml, such as 20 mg of magnesium, 300 mcg of selenium and 70 mg of chloride. Its current label entered the NIH Dietary Supplement Label Database on March 24, 2016.

What is in Ionic Selenium 300 mcg?

Each row as the label prints it, per serving of 1.25 ml. 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).

Ionic Selenium 300 mcg: Supplement Facts rows against the market (DSLD label 57104, January 2026 release)
IngredientAmount% DVAmong products listing it
Magnesiumas ITMMagnesium (Form: from ITM)20 mg5%Magnesium in Ionic Selenium 300 mcg against 14,003 products20 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg20 mg

83% of 14,003 products listing magnesium give more (median 86 mg).

Seleniumas Sodium Selenate300 mcg429%Selenium in Ionic Selenium 300 mcg against 7,658 products300 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg300 mcg

Higher than 99% of 7,658 products listing selenium (median 55 mcg).

Chlorideas ITMChloride (Form: from ITM)70 mg2%Chloride in Ionic Selenium 300 mcg against 1,476 products70 mg per serving; the middle half of products list 60 mg to 183.5 mg, the median 75 mg.DV 2,300 mgUL 3,600 mg70 mg

71% of 1,476 products listing chloride give more (median 75 mg).

Source: NIH ODS Dietary Supplement Label Database, label 57104 (entered March 24, 2016), 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:

  • Its 300 mcg of selenium is higher than 99% of the 7,658 selenium products that print an amount; 98 list more.

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?

1 product lists 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: Shake well. Using the metered dropper, take 1.25 mL daily with juice or food to mask the concentrated mineral flavor.
Warnings
Keep out of reach of children.
Allergens and what it does not contain
NON-GMO
Allergen Info: contains no known allergens.
GLUTEN FREE.
Storage
Do not refrigerate.

Source: label statements in DSLD label 57104.

What else is on the label?

Other ingredients: purified Water, Ionic Trace Minerals, Citric Acid, Potassium Benzoate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): CONTAINS NO GENETICALLY MODIFIED INGREDIENTS NON-GMO; cGMP; Certified Vegan AVA American Vegetarian Association. Listed with: Certified Vegan (Vegan Action) (a seal is the label's claim; the certifier's own list confirms it).

How many labels does Ionic Selenium 300 mcg have?

3 labels are on file under this name since August 26, 2014: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 57104 (current) Entered March 24, 2016 · off the market June 17, 2022 · 2 fl. Oz. · UPC 8 78941 00018 8
  2. Label 43736 Entered March 25, 2015 · off the market February 18, 2016 · 2 fl. Oz. · UPC 8 78941 00018 8
  3. Label 36113 Entered August 26, 2014 · off the market September 23, 2014 · 2 fl. Oz. · UPC 8 78941 00018 8

DSLD also links this label to: Ionic Selenium 300 mcg (image difference, same product), Ionic Selenium 300 mcg (image difference, same product).

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

Who makes it?

The label names Trace Minerals Research (manufacturer), Roy, Utah. All Trace Minerals Research products.

Where next?