PlainVitamins

TMG 500 mg

by Kirkman · capsule · 120 capsules

  • On the market (NIH)
  • UPC 8 12325 02123 9
  • DSLD label 317774
  • Serving 1 to 4 capsules; amounts per 1 capsule
  • 120 servings

TMG 500 mg by Kirkman lists 3 ingredients, 3 with an amount per serving of 1 capsule, such as 42 mg of calcium, 32 mg of phosphorus and 500 mg of trimethylglycine. Its current label entered the NIH Dietary Supplement Label Database on August 22, 2024.

What is in TMG 500 mg?

Each row as the label prints it, per serving of 1 capsule. 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).

TMG 500 mg: Supplement Facts rows against the market (DSLD label 317774, January 2026 release)
IngredientAmount% DVAmong products listing it
Calciumas Dicalcium Phosphate42 mg3%Calcium in TMG 500 mg against 17,831 products42 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg42 mg

79% of 17,831 products listing calcium give more (median 115 mg).

Phosphorusas Dicalcium Phosphate32 mg3%Phosphorus in TMG 500 mg against 3,786 products32 mg per serving; the middle half of products list 45 mg to 200 mg, the median 90 mg.DV 1,250 mgUL 4,000 mg32 mg

83% of 3,786 products listing phosphorus give more (median 90 mg).

Trimethylglycineas Betaine500 mgBetaine in TMG 500 mg against 731 products500 mg per serving; the middle half of products list 50 mg to 1,250 mg, the median 250 mg.500 mg

Higher than 55% of 731 products listing betaine (median 250 mg).

Source: NIH ODS Dietary Supplement Label Database, label 317774 (entered August 22, 2024), 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?

The products whose ingredient lists overlap most with TMG 500 mg's, rare ingredients counting for more.

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: Take one to four capsules daily or as directed by a physician.
Warnings
Keep out of the reach of children. Caution: Formulated for adults and children four years and older. For children under four, consult a 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 317774.

What else is on the label?

Other ingredients: Hypromellose, Water, Magnesium Stearate.

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 TMG 500 mg have?

3 labels are on file under this name since September 25, 2013: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 317774 (current) Entered August 22, 2024 · on the market · 120 capsules · UPC 8 12325 02123 9
  2. Label 260006 Entered December 18, 2021 · off the market August 19, 2023 · 120 capsules · UPC 8 12325 02123 9
  3. Label 25335 Entered September 25, 2013 · on the market · 120 capsules

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?