D-Chiro-Inositol
by Swanson Ultra · capsule · 60 capsules
- Off the market since November 2023 (NIH)
- UPC 0 87614 02933 7
- DSLD label 178086
- Serving 1 capsule
D-Chiro-Inositol by Swanson Ultra lists 2 ingredients, 2 with an amount per serving of 1 capsule, such as 3.6 mg of manganese and 85 mg of D-chiro-inositol. Its current label entered the NIH Dietary Supplement Label Database on June 25, 2018.
What is in D-Chiro-Inositol?
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).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Manganeseas Manganese SulfateManganese (Form: from Manganese Sulfate (Form: from Chirositol M)) | 3.6 mg | 157% | Higher than 75% of 7,016 products listing manganese (median 2 mg). Per day at the most servings: 7.2 mg. |
| D-Chiro-Inositolas Chirositol M Carob extractD-Chiro-Inositol (Form: from Chirositol M Carob extract PlantPart: pods Genus: Ceratonia Species: siliqua) | 85 mg | Higher than 75% of 4,042 products listing inositol (median 30 mg). Per day at the most servings: 170 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 178086 (entered June 25, 2018), 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 2 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?
The products whose ingredient lists overlap most with D-Chiro-Inositol's, rare ingredients counting for more.
- Inositol PowderVitamin World 1 shared, 54% alike
- Inositol 650 mgVitamin World 1 shared, 54% alike
- Inositol PowderVitabase 1 shared, 54% alike
- Inositol 500 mgPhysician's Preference · off the market 1 shared, 54% alike
- Inositol Powder 100% PureNOW · off the market 1 shared, 54% alike
- Inositol CapsTwinlab 1 shared, 54% alike
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 capsule two times per day with water.
- Warnings
- Do not use if seal is broken.
- Keep out of reach of children.
- Storage
- Store in a cool, dry place.
Source: label statements in DSLD label 178086.
What else is on the label?
Other ingredients: Brown Rice Flour, Gelatin, May contain one or both of the following.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Guaranteed purity & potency.
How many labels does D-Chiro-Inositol have?
One label is on file, entered on June 25, 2018.
- Label 178086 (current) Entered June 25, 2018 · off the market November 29, 2023 · 60 capsules · UPC 0 87614 02933 7
DSLD also links this label to: Chirositol D-Chiro-Inositol 85 mg (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 Swanson Health Products (distributor), Fargo, ND. All Swanson Ultra products.