amino acid

Selenomethionine supplements

Half of the 42 selenomethionine supplements in the NIH label database that print an amount list 112.5 mcg or less per serving; the middle half list 50 mcg to 495 mcg (DSLD version 9.4.0, January 2026).

Products listing it
4842 print an amount; 6 list it inside a blend without an amount
Median per serving
112.5 mcgmiddle half 50 mcg to 495 mcg

How much selenomethionine do supplements contain?

The median product lists 112.5 mcg per serving. One in ten lists 50 mcg or less, one in ten 6,800 mcg or more. The amount printed most often is 50 mcg (15 products).

Products by amount of selenomethionine per serving

42 products, log scale; extreme 0.2% at each end left out of the drawing.

Selenomethionine: products by amount per serving10 mcg100 mcg1,000 mcg10,000 mcg
Selenomethionine: products by amount per serving10 mcg100 mcg1,000 mcg10,000 mcg
Selenomethionine: products by amount per serving10 mcg30 mcg100 mcg1,000 mcg10,000 mcg
Selenomethionine: products by amount per serving10 mcg30 mcg100 mcg300 mcg1,000 mcg3,000 mcg10,000 mcg
Selenomethionine: products by amount per serving10 mcg30 mcg100 mcg300 mcg1,000 mcg3,000 mcg10,000 mcg
The amounts printed most often
Amount per servingProductsFor example
50 mcg15 IGA+Intercellular Glutathione Inducers (Ecological Formulas); Viva CT Prenatal Chewable (Jaymac Pharmaceuticals, LLC); Women's Daily Multi (Buried Treasure Liquid Nutrients)
200 mcg5 E Selenium SeLECT 200 (AFI America's Finest); Split Dose Ultra Morning Meal AM (Douglas Laboratories); Selenium 200 mcg as L-Selenomethionine (Martin Avenue Pharmacy)
5,000 mcg4 Morning Man Greens (Morning Man); Athletic Greens Ultimate Daily (Athletic Greens); NAC 600 mg (NOW)
40,000 mcg3 Yeast-Free Selenium (SuperiorLabs); Selenium 200 mcg (Protocol For Life Balance)
62.5 mcg2 Pregnancy Care Advanced (Metagenics)
5 mcg1
75 mcg1 GCEL Intracellular Glutathione (Systemic Formulas Bio Challenge)
83 mcg1
100 mcg1 Split Dose Ultra Evening Meal P.M. (Douglas Laboratories)
125 mcg1 Gut Care for Kids Pineapple Flavour (Metagenics)

Source: Supplement Facts rows of every product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0; amounts in one measure (weight).

Which products list the most selenomethionine?

On-market products, per serving, with a plausible amount: the rule leaves out likely entry slips, such as an amount far beyond every other label with no %DV or strength on the label to back it (each product page still shows its own amount, marked).

In which products and brands?

Products listing selenomethionine by DSLD product type

Selenomethionine by product typeOther Combinations35Mineral4Botanical with Nutrients2Amino acid/Protein1
Selenomethionine by product typeOther Combinations35Mineral4Botanical with Nutrients2Amino acid/Protein1
Selenomethionine by product typeOther Combinations35Mineral4Botanical with Nutrients2Amino acid/Protein1
Selenomethionine by product typeOther Combinations35Mineral4Botanical with Nutrients2Amino acid/Protein1
Selenomethionine by product typeOther Combinations35Mineral4Botanical with Nutrients2Amino acid/Protein1

Brands listing it most: Buried Treasure Liquid Nutrients (3), SuperSmart (3), NOW (3), BioGenesis Nutraceuticals (2), Millecor (2), Metagenics (2), Douglas Laboratories (2), Athletic Greens (2), Ecological Formulas (1), Jaymac Pharmaceuticals, LLC (1).

Every product listing selenomethionine

48 products, A to Z by name (page 1 of 1), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.

Where next?