PlainVitamins

Inositol Powder

by NOW · powder · 2 ounces

  • On the market (NIH)
  • UPC 7 33739 00525 0
  • DSLD label 335251
  • Serving 730 mg (1/4 level teaspoon)
  • 78 servings

Inositol Powder by NOW lists one ingredient: 730 mg of inositol, powder per serving of 730 mg. Its current label entered the NIH Dietary Supplement Label Database on September 25, 2025.

What is in Inositol Powder?

Each row as the label prints it, per serving of 730 mg. 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).

Inositol Powder: Supplement Facts rows against the market (DSLD label 335251, January 2026 release)
IngredientAmount% DVAmong products listing it
Inositol, Powder730 mgInositol in Inositol Powder against 4,042 products730 mg per serving; the middle half of products list 10 mg to 80 mg, the median 30 mg.730 mg

Higher than 96% of 4,042 products listing inositol (median 30 mg).

Source: NIH ODS Dietary Supplement Label Database, label 335251 (entered September 25, 2025), 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:

  • Its 730 mg of inositol is higher than 96% of the 4,042 inositol products that print an amount; 156 list more.

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?

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 Usage: Take 1/4 level teaspoon daily dissolved in water or other suitable beverage.
Warnings
Caution: For adults only. Keep out of reach of children.
Consult physician if pregnant/nursing, taking medication, or have a medical condition.
Do not eat freshness packet enclosed.
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Allergens and what it does not contain
Non-GMO
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients.
Storage
This product is sold by weight not volume. Store in a cool, dry place after opening.

Source: label statements in DSLD label 335251.

What else is on the label?

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Triangle K (Kosher); GMP Quality Assured.

How many labels does Inositol Powder have?

20 labels are on file under this name since August 24, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 335251 (current) Entered September 25, 2025 · on the market · 2 ounces · UPC 7 33739 00525 0
  2. Label 314396 Entered December 21, 2024 · on the market · 4 ounces · UPC 7 33739 00527 4
  3. Label 314397 Entered October 24, 2024 · on the market · 8 ounces · UPC 7 33739 00528 1
  4. Label 314395 Entered October 24, 2024 · on the market · 1 pound · UPC 7 33739 00529 8
  5. Label 49862 Entered August 25, 2015 · off the market February 12, 2024 · 1 lb · UPC 7 33739 00529 8
  6. Label 48056 Entered August 25, 2015 · off the market February 12, 2024 · 8 oz. · UPC 7 33739 00528 1
  7. Label 48055 Entered August 25, 2015 · off the market February 12, 2024 · 4 oz. · UPC 7 33739 00527 4
  8. Label 48054 Entered August 25, 2015 · off the market January 21, 2025 · 2 oz. · UPC 7 33739 00525 0
  9. Label 40261 Entered December 29, 2014 · off the market July 21, 2015 · 1 lb · UPC 7 33739 00529 8
  10. Label 40260 Entered December 29, 2014 · off the market June 30, 2015 · 8 oz. · UPC 7 33739 00528 1
  11. Label 40259 Entered December 29, 2014 · off the market June 30, 2015 · 4 oz. · UPC 7 33739 00527 4
  12. Label 40258 Entered December 29, 2014 · off the market June 30, 2015 · 2 oz. · UPC 7 33739 00525 0
  13. Label 36320 Entered August 26, 2014 · off the market November 26, 2014 · 1 lb · UPC 7 33739 00529 8
  14. Label 36318 Entered August 26, 2014 · off the market November 26, 2014 · 8 oz. · UPC 7 33739 00528 1
  15. Label 36316 Entered August 26, 2014 · off the market November 26, 2014 · 4 oz. · UPC 7 33739 00527 4
  16. Label 36313 Entered August 26, 2014 · off the market November 26, 2014 · 2 oz. · UPC 7 33739 00525 0
  17. Label 14294 Entered February 25, 2013 · off the market May 1, 2014 · 1 lb · UPC 7 33739 00529 8
  18. Label 12436 Entered August 24, 2012 · off the market May 1, 2014 · 2 oz. · UPC 7 33739 00525 0
  19. Label 12435 Entered August 24, 2012 · off the market May 1, 2014 · 4 oz. · UPC 7 33739 00527 4
  20. Label 12427 Entered August 24, 2012 · off the market May 1, 2014 · 8 oz. · UPC 7 33739 00528 1

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

Who makes it?

The label names NOW FOODS (distributor), Bloomingdale, IL. All NOW products.

Where next?