non-nutrient/non-botanical
Inositol supplements
Half of the 4,042 inositol supplements in the NIH label database that print an amount list 30 mg or less per serving; the middle half list 10 mg to 80 mg (DSLD version 9.4.0, January 2026). The 104 products whose only supplement ingredient is inositol list a median of 700 mg.
- Products listing it
- 4,5954,042 print an amount; 551 list it inside a blend without an amount
- Median per serving
- 30 mgmiddle half 10 mg to 80 mg
How much inositol do supplements contain?
The median product lists 30 mg per serving. One in ten lists 1 mg or less, one in ten 235 mg or more. The amount printed most often is 50 mg (622 products).
Products by amount of inositol per serving
4,042 products, log scale; extreme 0.2% at each end left out of the drawing.
Source: Supplement Facts rows of every product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0; amounts in one measure (weight).
Which products list the most inositol?
On-market products, per serving, with a plausible amount: the rule leaves out likely entry slips, such as an amount far beyond every other label with no %DV or strength on the label to back it (each product page still shows its own amount, marked).
- Ovarian HealthAOR Advanced Orthomolecular Research Advanced2,256 mg
- Myo-InositolFresh Nutrition2,200 mg
- FH PRO for WomenFairhaven Health2,050 mg
- Myo + D-Chiro InositolFairhaven Health2,050 mg
- OvasitolTheralogix2,050 mg
- Myo+D-Chiro+VitexZazzee Naturals2,050 mg
- Pregnositol UnflavoredZazzee Naturals2,050 mg
- PCOSenseNatural Factors WS WomenSense2,050 mg
Have the amounts changed over the years?
Products whose current label entered DSLD in 2011 list a median of 22.5 mg; those entered in 2025, 50 mg.
| Year | Products | Median per serving |
|---|---|---|
| 2011 | 118 | 22.5 mg |
| 2012 | 342 | 30 mg |
| 2013 | 400 | 50 mg |
| 2014 | 184 | 25.5 mg |
| 2015 | 171 | 45 mg |
| 2016 | 203 | 25 mg |
| 2017 | 249 | 30 mg |
| 2018 | 150 | 25 mg |
| 2019 | 202 | 28 mg |
| 2020 | 374 | 25 mg |
| 2021 | 291 | 30 mg |
| 2022 | 366 | 37.25 mg |
| 2023 | 352 | 30 mg |
| 2024 | 349 | 30 mg |
| 2025 | 291 | 50 mg |
Source: DSLD label entry dates and amounts, current labels.
In which products and brands?
Products listing inositol by DSLD product type
Brands listing it most: Douglas Laboratories (194), Nature's Plus (170), Nature's Way (129), Country Life (63), NOW (60), Rainbow Light (50), Vitamin World (46), Integrative Therapeutics (44), Puritan's Pride (42), GNC Women's Ultra Mega (42).
Every product listing inositol
4,595 products, A to Z by name (page 9 of 92), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- B Complex 50 mgFull Circle50 mg
- B Complex 50 mgLuckyVitamin50 mg
- B Complex Adult Gummy VitaminsNutrition Now · off the market7 mg
- B Complex Energy Wild Strawberryvitafusion7 mg
- B Complex High PotencyBuried Treasure Liquid Nutrients · off the market50 mg
- B Complex Natural Strawberry FlavorNutrition Now7 mg
- B Complex Natural Strawberry Flavorvitafusion7 mg
- B Complex Neuro FactorsProtocol For Life Balance30 mg
- B Complex PlusKlaire Labs · off the market40 mg
- B Complex Wild Strawberryvitafusion · off the market7 mg
- B Complex With CThompson10 mg
- B Complex with Choline & InositolWindmill Natural Vitamins · off the market0.05 mg
- B Complex with Choline & InositolWindmill50 mg
- B Complex with Vitamin C & IronWindmill Natural Vitamins · off the market50 mg
- B Complex with Vitamin C & IronWindmill50 mg
- B Complex-75DaVinci Laboratories of Vermont · off the market75 mg
- B Complex-75DaVinci Laboratories75 mg
- B Daily EssentialsWhole Foods50 mg
- B+cCarlson100 mg
- B-100Good 'N Natural · off the market10 mg
- B-100NOW10 mg
- B-100AN Amazing Nutrition Amazing Formulas100 mg
- B-100Pure Naturals100 mg
- B-100Butterfly Express10 mg
- B-100 B-ComplexFoster Regal100 mg
- B-100 CapsNOW · off the market100 mg
- B-100 ComplexPhysioLogics · off the market100 mg
- B-100 ComplexNutraBio100 mg
- B-100 ComplexNatrol100 mg
- B-100 ComplexVitacost100 mg
- B-100 ComplexBest Naturals100 mg
- B-100 ComplexNature's Way100 mg
- B-100 Complex Extra StrengthBuilt By Nature150 mg
- B-100 Complex with B2 CoenzymeNature's Way · off the market100 mg
- B-100 Complex With Folic AcidRadiance Select100 mg
- B-100 Full Spectrum B-ComplexNutraBio100 mg
- B-100 Ultra B-ComplexNature's Bounty12.5 mg
- B-100 Ultra B-ComplexGood 'N Natural · off the market100 mg
- B-12 10,000 mcg Energy Boost Mixed BerryNOW Shots5 mg
- B-12 10,000 mcg Mixed BerryNOW Shots5 mg
- B-125Source Naturals125 mg
- B-125 ComplexSwanson125 mg
- B-125 Complex High Potency FormulaSwanson125 mg
- B-150Wonder Laboratoriesin a blend
- B-150 Mega B-ComplexGood 'N Natural · off the market150 mg
- B-50Puritan's Pride · off the market50 mg
- B-50Whole Health50 mg
- B-50NOW25 mg
- B-50Baar Nature's Blessing25 mg
- B-50 B-ComplexGood 'N Natural · off the market50 mg