PlainVitamins

Buffered Magnesium Bisglycinate Powder

by Kirkman · powder · 4 ounces

  • On the market (NIH)
  • UPC 8 12325 02178 9
  • DSLD label 333035
  • Serving 1.5 g (1/2 Teaspoon)
  • 75 servings

Buffered Magnesium Bisglycinate Powder by Kirkman lists one ingredient: 179 mg of magnesium per serving of 1.5 g. Its current label entered the NIH Dietary Supplement Label Database on July 24, 2025.

What is in Buffered Magnesium Bisglycinate Powder?

Each row as the label prints it, per serving of 1.5 g. 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).

Buffered Magnesium Bisglycinate Powder: Supplement Facts rows against the market (DSLD label 333035, January 2026 release)
IngredientAmount% DVAmong products listing it
Magnesiumas Magnesium Bisglycinate Chelate179 mg43%Magnesium in Buffered Magnesium Bisglycinate Powder against 14,003 products179 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg179 mg

Higher than 74% of 14,003 products listing magnesium (median 86 mg).

Source: NIH ODS Dietary Supplement Label Database, label 333035 (entered July 24, 2025), version 9.4.0. See the label on DSLD or its label image (PDF). 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 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?

6 products list 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: Dissolve 1/2 teaspoon in water or fruit juice or as directed by a physician.
Warnings
Keep out of reach of children. Formulated for adults and children four years and older. For children under four, consult a physician.
Caution: Magnesium supplements can cause changes in stool consistency and bowel habits. If this occurs, discontinue use and discuss this matter with your physician.
Allergens and what it does not contain
Free of: Milk, eggs, fish, shellfish, tree nuts, peanuts, wheat, soy, and sesame
Gluten-free
Storage
Important: Store in a cool dry place and tightly capped.

Source: label statements in DSLD label 333035.

What else is on the label?

Other ingredients: Citric Acid, Adipic Acid, Stevia Leaf Extract.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Ultra tested cGMP.

How many labels does Buffered Magnesium Bisglycinate Powder have?

3 labels are on file under this name since September 25, 2023: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 333035 (current) Entered July 24, 2025 · on the market · 4 ounces · UPC 8 12325 02178 9
  2. Label 317692 Entered October 24, 2024 · on the market · 4 ounces · UPC 8 12325 02178 9
  3. Label 296956 Entered September 25, 2023 · off the market August 19, 2023 · 4 ounces · UPC 8 12325 02178 9

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

Who makes it?

The label names Kirkman (manufacturer), Lake Oswego, OR. All Kirkman products.

Where next?