PlainVitamins

Genistein Soy Supplement Powder

by Source Naturals · powder · 200 grams

  • On the market (NIH)
  • UPC 0 21078 01307 5
  • DSLD label 214153
  • Serving 2.5 g (1 teaspoon)
  • 80 servings

Genistein Soy Supplement Powder by Source Naturals lists 5 ingredients, 5 with an amount per serving of 2.5 g, such as 2.5 g of SoyLife non-GMO isoflavone complex, beside 2 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on February 26, 2020.

What is in Genistein Soy Supplement Powder?

Each row as the label prints it, per serving of 2.5 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).

Genistein Soy Supplement Powder: Supplement Facts rows against the market (DSLD label 214153, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories10 Calories
Total Carbohydrates1 g1%Carbohydrate in Genistein Soy Supplement Powder against 21,979 products1 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.1 g

74% of 21,979 products listing carbohydrate give more (median 3 g). Per day at the most servings: 2 g.

Protein1 g2%Protein in Genistein Soy Supplement Powder against 8,985 products1 g per serving; the middle half of products list 2 g to 24 g, the median 16 g.1 g

77% of 8,985 products listing protein give more (median 16 g). Per day at the most servings: 2 g.

SoyLife non-GMO Isoflavone Complexas SoySoyLife non-GMO Isoflavone Complex (Form: from Soy) Note: yielding2.5 g

This amount is far outside what other labels list for isoflavones, or disagrees with the label's own %DV: possibly a unit or transcription slip in the database. Check the label image on DSLD.

Daidzein19 mgDaidzein in Genistein Soy Supplement Powder against 32 products19 mg per serving; the middle half of products list 9.75 mg to 35 mg, the median 19.13 mg.19 mg

50% of 32 products listing daidzein give more (median 19.13 mg). Per day at the most servings: 38 mg.

Glycitein8.25 mg
Genistein2.5 mgGenistein in Genistein Soy Supplement Powder against 62 products2.5 mg per serving; the middle half of products list 8.13 mg to 30 mg, the median 24.2 mg.2.5 mg

82% of 62 products listing genistein give more (median 24.2 mg). Per day at the most servings: 5 mg.

Total Isoflavones50 mg

Source: NIH ODS Dietary Supplement Label Database, label 214153 (entered February 26, 2020), 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?

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:

  • 82% of the 62 products that print an amount of genistein list more than its 2.5 mg of genistein (median 24.2 mg).

The NIH database records 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: 1 teaspoon mixed with water or juice, twice daily with a meal.
Warnings
Contains soy.
Note: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.
Do not use if either tamper-evident seal is broken or missing.
Keep out of the reach of children.
Allergens and what it does not contain
Contains no yeast, dairy, egg, gluten, corn or wheat. Contains no starch, preservatives, or artificial color, flavor or fragrance.
Non GMO Validated

Source: label statements in DSLD label 214153.

How many labels does Genistein Soy Supplement Powder have?

2 labels are on file under this name since February 26, 2020: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 214153 (current) Entered February 26, 2020 · on the market · 200 grams · UPC 0 21078 01307 5
  2. Label 214150 Entered February 26, 2020 · on the market · 100 grams · UPC 0 21078 01306 8

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

Who makes it?

The label names Source Naturals, Inc. (distributor), Santa Cruz, CA. All Source Naturals products.

Where next?