Soy Isoflavones Standardized

by Nature's Way · capsule · 60 capsules

  • Off the market since February 2016 (NIH)
  • UPC 0 33674 64100 2
  • DSLD label 40615
  • Serving 1 capsule
  • 60 servings

Soy Isoflavones Standardized by Nature's Way lists 2 ingredients, 2 with an amount per serving of 1 capsule, such as 140 mg of red clover and 100 mg of non-GMO soy isoflavone extract. Its current label entered the NIH Dietary Supplement Label Database on December 29, 2014.

What is in Soy Isoflavones Standardized?

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).

Soy Isoflavones Standardized: Supplement Facts rows against the market (DSLD label 40615, January 2026 release)
IngredientAmount% DVAmong products listing it
Red Clover140 mgRed Clover in Soy Isoflavones Standardized against 279 products140 mg per serving; the middle half of products list 50 mg to 400 mg, the median 150 mg.140 mg

50% of 279 products listing red clover give more (median 150 mg).

non-GMO Soy Isoflavone extractas Isoflavonesnon-GMO Soy Isoflavone extract (Form: 40% Isoflavones) PlantPart: bean100 mgSoy in Soy Isoflavones Standardized against 250 products100 mg per serving; the middle half of products list 60 mg to 426.25 mg, the median 125 mg.100 mg

52% of 250 products listing soy give more (median 125 mg).

Source: NIH ODS Dietary Supplement Label Database, label 40615 (entered December 29, 2014), 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 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?

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
Recommendation: Take 1 capsule daily with food or water.
Warnings
Freshness & safety sealed with printed outer shrinkwrap and printed inner seal. Do not use if either seal is broken or missing.
Keep out of reach of children.

Source: label statements in DSLD label 40615.

What else is on the label?

Other ingredients: Gelatin, Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Nature's Way(R).

How many labels does Soy Isoflavones Standardized have?

One label is on file, entered on December 29, 2014.

  1. Label 40615 (current) Entered December 29, 2014 · off the market February 25, 2016 · 60 capsules · UPC 0 33674 64100 2

DSLD also links this label to: Soy Isoflavones (image difference, same product), Standardized Soy Isoflavones (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 Nature's Way Products, Inc. (manufacturer), Green Bay, WI. All Nature's Way products.

Where next?