PlainVitamins

Dopa Factors

by Nutra BioGenesis · capsule · 60 capsules

  • On the market (NIH)
  • UPC 8 12806 10261 7
  • DSLD label 322991
  • Serving 2 capsules
  • 30 servings

Dopa Factors by Nutra BioGenesis lists 6 ingredients, 6 with an amount per serving of 2 capsules, such as 170 mcg of folic acid, 400 mg of velvet bean seed extract, 300 mg of N-acetyl-L-tyrosine and 50 mg of green tea leaf extract. Its current label entered the NIH Dietary Supplement Label Database on February 23, 2025.

What is in Dopa Factors?

Each row as the label prints it, per serving of 2 capsules. 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).

Dopa Factors: Supplement Facts rows against the market (DSLD label 322991, January 2026 release)
IngredientAmount% DVAmong products listing it
Folic Acidas (6S)-5-Methyltetrahydrofolate, Glucosamine Salt170 mcg43%Folate in Dopa Factors against 7,022 products170 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.170 mcg

83% of 7,022 products listing folate give more (median 400 mcg). Per day at the most servings: 340 mcg.

Velvet Bean Seed Extractas Mucuna pruriens Seed Extract400 mgCowhage in Dopa Factors against 417 products400 mg per serving; the middle half of products list 60 mg to 400 mg, the median 125 mg.400 mg

Higher than 74% of 417 products listing cowhage (median 125 mg). Per day at the most servings: 800 mg.

L-Dihydroxyphenylalanine60 mgL-DOPA in Dopa Factors against 38 products60 mg per serving; the middle half of products list 65 mg to 150 mg, the median 100 mg.60 mg

74% of 38 products listing L-DOPA give more (median 100 mg). Per day at the most servings: 120 mg.

N-Acetyl-L-Tyrosine300 mgAcetyl L-Tyrosine in Dopa Factors against 73 products300 mg per serving; the middle half of products list 200 mg to 600 mg, the median 300 mg.300 mg

42% of 73 products listing acetyl L-tyrosine give more (median 300 mg). Per day at the most servings: 600 mg.

Green Tea Leaf Extractas Epigallocatechin Gallate, Polyphenols98% polyphenols by total UV @ 540nm, 50% EGCG50 mgGreen Tea in Dopa Factors against 2,595 products50 mg per serving; the middle half of products list 50 mg to 250 mg, the median 100 mg.50 mg

69% of 2,595 products listing green tea give more (median 100 mg). Per day at the most servings: 100 mg.

R-Alpha-Lipoic Acidas R-Alpha Lipoic Acid Sodium Salt10 mgAlpha Lipoic Acid in Dopa Factors against 2,407 products10 mg per serving; the middle half of products list 25 mg to 150 mg, the median 50 mg.10 mg

84% of 2,407 products listing alpha lipoic acid give more (median 50 mg). Per day at the most servings: 20 mg.

Source: NIH ODS Dietary Supplement Label Database, label 322991 (entered February 23, 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?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • 84% of the 2,407 products that print an amount of alpha lipoic acid list more than its 10 mg of R-alpha-lipoic acid (filed by NIH under alpha lipoic acid) (median 50 mg).

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?

The products whose ingredient lists overlap most with Dopa Factors'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
Directions: Use only as directed. Take 2 capsules 1-2 times daily or as directed by your healthcare practitioner.
Warnings
Warning: Do not use if safety seal is broken or missing.
Keep out of reach of children.
Keep your licensed healthcare practitioner informed when using this product, especially if nursing. Do not use if you are pregnant or taking a prescription MAO inhibitor.
Allergens and what it does not contain
Non GMO Gluten free
Storage
Keep tightly capped and store in a cool, dry place.

Source: label statements in DSLD label 322991.

What else is on the label?

Other ingredients: Maltodextrin, Gelatin, Cellulose, Rice Bran Extract, Silica.

How many labels does Dopa Factors have?

One label is on file, entered on February 23, 2025.

  1. Label 322991 (current) Entered February 23, 2025 · on the market · 60 capsules · UPC 8 12806 10261 7

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

Who makes it?

The label names Nutraceutical Corp. (manufacturer). All Nutra BioGenesis products.

Where next?