PlainVitamins

Homocysteine

by NutriCology · capsule · 90 vegetarian capsules

  • Off the market since August 2020 (NIH)
  • UPC 7 13947 52580 1
  • DSLD label 191128
  • Serving 1 capsule
  • 90 servings

Homocysteine by NutriCology lists 6 ingredients, 6 with an amount per serving of 1 capsule, such as 30 mg of vitamin B6, 400 mcg of 5-methyltetrahydrofolate, 400 mcg of vitamin B12 and 500 mg of trimethylglycine. Its current label entered the NIH Dietary Supplement Label Database on February 25, 2019.

What is in Homocysteine?

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).

Homocysteine: Supplement Facts rows against the market (DSLD label 191128, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B6as Pyridoxal 5-Phosphate, Pyridoxine HydrochlorideVitamin B6 (Form: as 83% Pyridoxine Hydrochloride, and as 17% Pyridoxal-5-Phosphate)30 mg1,500%Vitamin B6 in Homocysteine against 15,277 products30 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg30 mg

Higher than 82% of 15,277 products listing vitamin B6 (median 6 mg). Per day at the most servings: 60 mg.

5-Methyltetrahydrofolate400 mcg100%Folate in Homocysteine against 7,022 products400 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.400 mcg

24% of 7,022 products listing folate give more (median 400 mcg). Per day at the most servings: 800 mcg.

(6S)-5-Methyltetrahydrofolic Acid, Glucosamine Salt740 mcg5-methyltetrahydrofolate glucosamine in Homocysteine against 176 products740 mcg per serving; the middle half of products list 300 mcg to 800 mcg, the median 593 mcg.740 mcg

Higher than 55% of 176 products listing 5-methyltetrahydrofolate glucosamine (median 593 mcg). Per day at the most servings: 1,480 mcg.

Vitamin B12as MethylcobalaminVitamin B12 (Form: as Methylcobalamin)400 mcg6,667%Vitamin B12 in Homocysteine against 14,425 products400 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg400 mcg

Higher than 81% of 14,425 products listing vitamin B12 (median 36 mcg). Per day at the most servings: 800 mcg.

Trimethylglycine500 mgBetaine in Homocysteine 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). Per day at the most servings: 1,000 mg.

L-Serine100 mgSerine in Homocysteine against 314 products100 mg per serving; the middle half of products list 100 mg to 1,056 mg, the median 408 mg.100 mg

74% of 314 products listing serine give more (median 408 mg). Per day at the most servings: 200 mg.

Source: NIH ODS Dietary Supplement Label Database, label 191128 (entered February 25, 2019), 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?

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 1 to 2 servings 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 As a dietary supplement, 1 capsule one or two times daily with meals, or as directed by a healthcare practitioner.
Warnings
Warning: If you experience any fatigue or adverse reaction, reduce dose or discontinue use.
Storage
Keep in a cool, dry place, tightly capped.

Source: label statements in DSLD label 191128.

What else is on the label?

Other ingredients: Hydroxypropyl Methylcellulose, Magnesium Stearate, Microcrystalline Cellulose, Silicon Dioxide.

How many labels does Homocysteine have?

One label is on file, entered on February 25, 2019.

  1. Label 191128 (current) Entered February 25, 2019 · off the market August 4, 2020 · 90 vegetarian capsules · UPC 7 13947 52580 1

DSLD also links this label to: Homocysteine Plus (image difference, same product), Homocysteine Plus (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 NutriCology (distributor), Alameda, CA. All NutriCology products.

Where next?