Soy Isoflavones 750 mg

by Best Naturals · capsule · 120 capsules

  • On the market (NIH)
  • UPC 8 17716 01141 7
  • DSLD label 270121
  • Serving 1 capsule
  • 120 servings

Soy Isoflavones 750 mg by Best Naturals lists 10 ingredients, 4 with an amount per serving of 1 capsule, such as 750 mg of soy germ isoflavones concentrate; 6 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on June 16, 2022.

What is in Soy Isoflavones 750 mg?

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 750 mg: Supplement Facts rows against the market (DSLD label 270121, January 2026 release)
IngredientAmount% DVAmong products listing it
Soy Germ Isoflavones concentrateas Isoflavones750 mgSoy in Soy Isoflavones 750 mg against 250 products750 mg per serving; the middle half of products list 60 mg to 426.25 mg, the median 125 mg.750 mg

Higher than 83% of 250 products listing soy (median 125 mg). Per day at the most servings: 2,250 mg.

Typical Isoflavone Compositionno amount given
Daidzin and Daidzein2 mgDaidzein in Soy Isoflavones 750 mg against 32 products2 mg per serving; the middle half of products list 9.75 mg to 35 mg, the median 19.13 mg.2 mg

94% of 32 products listing daidzein give more (median 19.13 mg). Per day at the most servings: 6 mg.

Daidzinno amount given
Daidzeinno amount given
Glycitin and Glycitein7 mg
Glycitinno amount given
Glyciteinno amount given
Genistin and Genistein2.5 mgGenistein in Soy Isoflavones 750 mg 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: 7.5 mg.

Genistinno amount given
Genisteinno amount given

Source: NIH ODS Dietary Supplement Label Database, label 270121 (entered June 16, 2022), 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:

  • 94% of the 32 products that print an amount of daidzein list more than its 2 mg of daidzin and daidzein (filed by NIH under daidzein) (median 19.13 mg).
  • 82% of the 62 products that print an amount of genistein list more than its 2.5 mg of genistin and genistein (filed by NIH under genistein) (median 24.2 mg).

The NIH database records 2 to 3 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?

6 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
Suggested Use: As a dietary supplement, take one (1) capsule two to three times daily, preferably with meals, or as directed by your qualified healthcare professional.
Warnings
Caution: For adults only, if you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.
Discontinue use and consult your doctor if any adverse reactions occur.
Keep out of the reach of children.
Do not use if safety seal is broken or missing.
Allergens and what it does not contain
No artificial color, flavor, sweeter, preservatives, sugar, starch, corn, egg, lactose, gluten, wheat, yeast, fish. Sodium free
Storage
Keep in cool, dry place.

Source: label statements in DSLD label 270121.

What else is on the label?

Other ingredients: Gelatin, Rice Flour, Microcrystalline Cellulose, Magnesium Stearate, Silica.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Made in USA; GMP Good Manufacturing Practice Product.

How many labels does Soy Isoflavones 750 mg have?

One label is on file, entered on June 16, 2022.

  1. Label 270121 (current) Entered June 16, 2022 · on the market · 120 capsules · UPC 8 17716 01141 7

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

Who makes it?

The label names Best Naturals (distributor), Kenilworth, NJ. All Best Naturals products.

Where next?