PlainVitamins

Iso-Rich Soy

by Jarrow Formulas · powder · 32 oz

  • Off the market since January 2024 (NIH)
  • UPC 7 90011 21017 7
  • DSLD label 212207
  • Serving 29 g (2 Rounded Tablespoons)
  • 31 servings

Iso-Rich Soy by Jarrow Formulas lists 4 ingredients, 4 with an amount per serving of 29 g, such as 40 mg of calcium, 200 mg of phosphorus, 29 mg of total isoflavones and more than 200 mg of saponins, beside 5 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on December 22, 2019.

What is in Iso-Rich Soy?

Each row as the label prints it, per serving of 29 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).

Iso-Rich Soy: Supplement Facts rows against the market (DSLD label 212207, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories110 Calories
Total Fat0.5 g1%Fat (unspecified) in Iso-Rich Soy against 11,965 products0.5 g per serving; the middle half of products list 1 g to 2.5 g, the median 1.5 g.0.5 g

86% of 11,965 products listing fat (unspecified) give more (median 1.5 g).

Total Carbohydrates1 g1%Carbohydrate in Iso-Rich Soy 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).

Dietary Fiber1 g4%Fiber in Iso-Rich Soy against 6,987 products1 g per serving; the middle half of products list 1 g to 4 g, the median 2 g.1 g

56% of 6,987 products listing fiber give more (median 2 g).

Protein25 g50%Protein in Iso-Rich Soy against 8,985 products25 g per serving; the middle half of products list 2 g to 24 g, the median 16 g.25 g

Higher than 77% of 8,985 products listing protein (median 16 g).

Calcium40 mg4%Calcium in Iso-Rich Soy against 17,831 products40 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg40 mg

79% of 17,831 products listing calcium give more (median 115 mg).

Phosphorus200 mg20%Phosphorus in Iso-Rich Soy against 3,786 products200 mg per serving; the middle half of products list 45 mg to 200 mg, the median 90 mg.DV 1,250 mgUL 4,000 mg200 mg

Higher than 75% of 3,786 products listing phosphorus (median 90 mg).

Sodium260 mg11%Sodium in Iso-Rich Soy against 14,514 products260 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.260 mg

Higher than 89% of 14,514 products listing sodium (median 55 mg).

Total Isoflavonesas Daidzin/Daidzein, Genistin/Genistein, Glycitin/Glycitein29 mgIsoflavones in Iso-Rich Soy against 290 products29 mg per serving; the middle half of products list 25 mg to 80 mg, the median 50 mg.29 mg

69% of 290 products listing isoflavones give more (median 50 mg).

Saponinsmore than 200 mg

Source: NIH ODS Dietary Supplement Label Database, label 212207 (entered December 22, 2019), 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?

The products whose ingredient lists overlap most with Iso-Rich Soy'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
Use Iso-Rich Soy as a dietary supplement to increase your intake of protein and isoflavones. Usage: Mix 2 rounded tablespoons (29 g) of powder with 6 to 8 oz. of fruit juice, milk, or your favorite beverage, or you may: Blend powder with liquid, ice and fruits for smoothies. Mix into cold or cooked cereals. Add to soups, sauces, casseroles, meatballs, patties, baked items (bread, muffins, etc.) or frozen desserts.
Warnings
Keep out of the reach of children.
Contains: Soy.
This product contains naturally occurring phytoestrogens. Do not take more than 2 servings per day.
Do not give to children under 12 years old.
This product is not a complete nutrient source. Use this product as a food supplement only. Do not use for weight reduction.
Allergens and what it does not contain
No Artificial Flavors or Sweeteners
No wheat, gluten, dairy, egg, fish/shellfish, peanuts/tree nuts, or preservatives. Does not contain artificial flavors, sweeteners or colors.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 212207.

What else is on the label?

Other ingredients: Soy Protein isolate, natural Vanilla flavor, Silicon Dioxide.

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

How many labels does Iso-Rich Soy have?

9 labels are on file under this name since April 26, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 212207 (current) Entered December 22, 2019 · off the market January 4, 2024 · 32 oz · UPC 7 90011 21017 7
  2. Label 201747 Entered April 25, 2019 · off the market October 24, 2019 · 32 ozs · UPC 7 90011 21017 7
  3. Label 51399 Entered October 22, 2015 · off the market February 13, 2019 · 32 oz. · UPC 7 90011 21017 7
  4. Label 51398 Entered October 22, 2015 · off the market October 7, 2019 · 14 oz. · UPC 7 90011 21009 2
  5. Label 37952 Entered October 10, 2014 · off the market March 5, 2015 · 32 oz. · UPC 7 90011 21017 7
  6. Label 37950 Entered October 10, 2014 · off the market March 5, 2015 · 14 oz. · UPC 7 90011 21009 2
  7. Label 30398 Entered February 26, 2014 · off the market September 4, 2014 · 32 oz. · UPC 7 90011 21017 7
  8. Label 30396 Entered February 26, 2014 · off the market September 4, 2014 · 14 oz. · UPC 7 90011 21009 2
  9. Label 7631 Entered April 26, 2012 · off the market December 13, 2013 · 14 oz. · UPC 7 90011 21009 2

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

Who makes it?

The label names Jarrow Formulas Superior Nutrition and Formulation (distributor), Los Angeles, CA. All Jarrow Formulas products.

Where next?