PlainVitamins

A form of selenium

Selenium glycinate supplements

463 selenium products in the NIH label database list selenium as selenium glycinate (6% of the 7,934 selenium products); their median is 55 mcg of selenium per serving, against 55 mcg across all selenium products (DSLD version 9.4.0, January 2026).

How does selenium glycinate compare with the other forms?

The median amount of selenium per serving in products naming each form; the count in brackets. The amount is the selenium the label gives, as printed (the Supplement Facts row normally states the element; a row named as the compound usually gives the compound's weight and is left out of these figures).

Median selenium per serving by form

Selenium by formSelenomethionine70 mcg (3,041)Sodium selenate55 mcg (709)Sodium selenite55 mcg (660)Selenium glycinate55 mcg (463)Selenium yeast75 mcg (351)
Selenium by formSelenomethionine70 mcg (3,041)Sodium selenate55 mcg (709)Sodium selenite55 mcg (660)Selenium glycinate55 mcg (463)Selenium yeast75 mcg (351)
Selenium by formSelenomethionine70 mcg (3,041)Sodium selenate55 mcg (709)Sodium selenite55 mcg (660)Selenium glycinate55 mcg (463)Selenium yeast75 mcg (351)
Selenium by formSelenomethionine70 mcg (3,041)Sodium selenate55 mcg (709)Sodium selenite55 mcg (660)Selenium glycinate55 mcg (463)Selenium yeast75 mcg (351)
Selenium by formSelenomethionine70 mcg (3,041)Sodium selenate55 mcg (709)Sodium selenite55 mcg (660)Selenium glycinate55 mcg (463)Selenium yeast75 mcg (351)

Source: Supplement Facts rows and their forms, NIH ODS Dietary Supplement Label Database version 9.4.0, current labels.

Products
463369 on the market
Median selenium per serving
55 mcgall selenium products: 55 mcg
Share of selenium products
6%463 of 7,934

Is the amount the selenium or the whole selenium glycinate?

A Supplement Facts row normally states the selenium itself (a row like "Selenium (as selenium glycinate)"); a row named as the compound (a row like "Selenium glycinate") usually states the compound's weight, which includes what the selenium is bound to and is larger than the selenium it supplies. The front of a bottle may print either. Of the 463 products here, 462 give the selenium in its own row (3 of them an amount far outside what other labels list, or one their own %DV disagrees with); 1 give no amount of their own or one in another unit.

The adult Tolerable Upper Intake Level for selenium is 400 mcg a day; it covers total intake from food, water and supplements. At the most servings their labels direct, 4 of the 459 selenium glycinate products with a plausible amount (0.9%) give more than that.

Source: Supplement Facts rows of each product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0; upper limit: Institute of Medicine Dietary Reference Intakes (2011) (what counts as plausible).

What else do these products contain?

Ingredients most often listed alongside it, with the median amount in these products and in all products
IngredientShare of these productsMedian hereMedian, all products
Zinc92% 12 mg11 mg
Vitamin C83% 150 mg100 mg
Chromium79% 100 mcg100 mcg
Manganese78% 1.8 mg2 mg
Vitamin B1276% 50 mcg36 mcg
Vitamin B676% 6 mg6 mg
Thiamin74% 6 mg5 mg
Folate74% 350 mcg400 mcg
Niacin74% 20 mg20 mg
Vitamin A74% 3,750 IU4,000 IU

Which products are they?

60 of the 463 (on-market products first, the newest label first), ordered by the amount of selenium per serving, largest first; an amount that looks like a slip or a compound's weight comes last, marked.

Source: NIH ODS Dietary Supplement Label Database version 9.4.0; the form each label names for its row. Daily Values: the FDA's Daily Value page.

Which brands make them?

XYMOGEN (48), MegaFood (37), Kirkman (29), Bluebonnet (27), Emerald Labs (23), NATURELO Premium Supplements (18), Ortho Molecular Products (16), Moss Nutrition (13), Oxylent (11), Designs for Health (9).

Where next?