PlainVitamins

Concentrated Soy Isoflavones

by Sundown Naturals · tablet or pill · 70 tablets

  • On the market (NIH)
  • UPC 0 30768 02448 2
  • DSLD label 5809
  • Serving 2 tablets
  • 35 servings

Concentrated Soy Isoflavones by Sundown Naturals lists 2 ingredients, 2 with an amount per serving of 2 tablets, such as 150 mg of calcium and 80 mg of soy isoflavones. Its current label entered the NIH Dietary Supplement Label Database on February 23, 2012.

What is in Concentrated Soy Isoflavones?

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

Concentrated Soy Isoflavones: Supplement Facts rows against the market (DSLD label 5809, January 2026 release)
IngredientAmount% DVAmong products listing it
Calcium150 mg15%Calcium in Concentrated Soy Isoflavones against 17,831 products150 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg150 mg

Higher than 58% of 17,831 products listing calcium (median 115 mg).

Soy Isoflavones80 mgIsoflavones in Concentrated Soy Isoflavones against 290 products80 mg per serving; the middle half of products list 25 mg to 80 mg, the median 50 mg.80 mg

Higher than 72% of 290 products listing isoflavones (median 50 mg).

Source: NIH ODS Dietary Supplement Label Database, label 5809 (entered February 23, 2012), 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?

3 products list 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
DIRECTIONS: FOR ADULTS, TAKE TWO (2) TABLETS DAILY, PREFERABLY WITH MEALS. As a reminder, discuss the supplements and medications you take with your health care providers.
Warnings
KEEP OUT OF REACH OF CHILDREN.
WARNING: Not intended for use by pregnant or nursing women. If you are taking any medications, consult your doctor before use.
Discontinue use and consult your doctor if any adverse reactions occur.
TAMPER RESISTANT: DO NOT USE IF SEAL UNDER CAP IS BROKEN OR MISSING.
Allergens and what it does not contain
No Artificial Color, Flavor or Sweetener, No Preservatives, No Sugar, No Milk, No Lactose, No Gluten, No Wheat, No Yeast, No Fish.
Sodium Free.
Storage
STORE AT ROOM TEMPERATURE AND AVOID EXCESSIVE HEAT.

Source: label statements in DSLD label 5809.

What else is on the label?

Other ingredients: Dicalcium Phosphate, Vegetable Cellulose, Stearic Acid, Contains Less Than 2% of.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GUARANTEED QUALITY LABORATORY TESTED; PLEASE RECYCLE; FREE OF Gluten & Wheat.

How many labels does Concentrated Soy Isoflavones have?

2 labels are on file under this name since February 23, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 5809 (current) Entered February 23, 2012 · on the market · 70 tablets · UPC 0 30768 02448 2
  2. Label 5808 Entered February 23, 2012 · on the market · 30 tablets · UPC 0 30768 01305 9

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

Who makes it?

The label names Rexall Sundown, Inc. (manufacturer), Boca Raton, FL. All Sundown Naturals products.

Where next?