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Dietary supplement

Inositol Powder Ingredients & Drug Interactions

by Cardiovascular Research

Inositol Powder label
See full label image
Powder Category: Non-nutrient/non-botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 9, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Inositol Powder against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Moderate

Inositol Powder is a dietary supplement by Cardiovascular Research with 1 active ingredient. Its ingredients are commonly taken for polycystic ovary syndrome (pcos), anxiety and panic, depression and mood.Based on those ingredients, 86 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Myo-Inositol. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Inositol Powder by Cardiovascular Research

Ask about any prescription or over-the-counter medication and we check it for interactions with Inositol Powder by Cardiovascular Research — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Inositol Powder by Cardiovascular Research

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Aug 6, 2026

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

This product contains one active ingredient: myo-inositol, a naturally occurring compound related to B vitamins that plays a role in cell signaling and glucose metabolism. There are no inactive ingredients listed for this powder.

Does it work?

Couldn't assess
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Not assessable

We hold no graded evidence for this product's ingredients for its stated purpose.

Why this rating?
  • The label markets this product for: inositol nutrient for biological processes.
  • Our graded evidence for these ingredients doesn't cover that particular purpose.

Inositol is possibly effective for polycystic ovary syndrome (PCOS) and metabolic syndrome, meaning there is some evidence supporting its use but more research would help confirm it. It's also possibly effective for preterm labor.

For anxiety, diabetic neuropathy, and depression, the evidence suggests inositol is possibly ineffective — so it's not a reliable choice for these conditions.

The evidence, ingredient by ingredient Inositol

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Myo-inositol is generally well tolerated at common doses. The most frequent side effects when taken by mouth are mild digestive complaints: diarrhea, gas, and nausea.

One clinical study noted that children taking inositol combined with omega-3 fatty acids reported cold and allergy symptoms, though it's unclear whether inositol was responsible. For pregnancy, the safety data rates inositol as possibly safe, but the data are not fully established — any use in pregnancy should happen only under medical supervision.

For breastfeeding, there isn't enough reliable information in our data to say either way, so talk with your doctor or pharmacist before taking inositol if you're nursing.

Side effects, ingredient by ingredient Inositol

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 1 of the 1 matched ingredient can interact with medications — Inositol.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: diabetes medications.
  • For scale: 86 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Antidiabetes drugs are the key medication type to check before taking this product. Because inositol lowers blood sugar on its own, combining it with insulin, metformin, sulfonylureas, or any other blood-sugar-lowering medication could increase your risk of hypoglycemia.

Talk with your doctor or pharmacist about your specific diabetes medicines before adding inositol.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with no assessable stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

Inositol may help with PCOS, metabolic syndrome, and possibly preterm labor, but it's not supported for anxiety, nerve pain from diabetes, or depression. The main caution is if you take any medication to lower blood sugar — that's a conversation you need to have with your doctor or pharmacist first.

If you're pregnant or breastfeeding, check with your healthcare provider before starting.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Mar 22, 2024.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Inositol Powder, straight from the product label.

Brand Cardiovascular Research
Barcode (UPC) 696859132018
Net contents 200 Gram(s); 7 Ounce(s)
Market status On market
Date entered into DSLD Mar 22, 2024
DSLD ID 304399
Product type Non-nutrient/non-botanical
Supplement form Powder
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free, Sugar Free
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Inositol Powder by Cardiovascular Research, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1.5 Gram(s)
Maximum serving Sizes:
1.5 Gram(s)
Servings per container
134
UPC/BARCODE
696859132018
IngredientAmount% DV
Myo-Inositol1.5 Gram(s)--

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
FDA Statement of Identity

A Dietary Supplement

Dietary Supplement

Formula

This scientifically designed supplement contains 200 grams of Myo-Inositol in a 100 percent natural crystalline form. Inositol is a nutrient that is involved in a number of biological processes, including nerve guidance, proper formation of cell membranes, serotonin activity modulation, insulin signal transduction and the transport of fats within the body.

Formulation

Contains no gluten, corn, wheat, soy, yeast, sugar, starch or artificial colors, sweeteners or preservatives.

FDA Disclaimer Statement

These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.

General Statements

Ecological Formulas

Suggested/Recommended/Usage/Directions

Directions Take 1/2 teaspoon daily, mixed with water or juice, or may be sprinkled on food.

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Inositol Powder by Cardiovascular Research label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

Inositol Powder label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in Inositol Powder by Cardiovascular Research

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size1.5 Gram(s) Dosage formPowder Servings per container134 Amounts shown are per serving.

Myo-Inositol

Interacts with
86 drugs
1.5 Gram(s) per serving

Inositol is a sugar alcohol made naturally in the body and found in many foods, and it is sold as a supplement (often myo-inositol) mainly for PCOS, m...

Myo-Inositol monograph & interactions
Interaction report

Inositol Powder by Cardiovascular Research Drug Interactions

Want to check YOUR meds against Inositol Powder?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

 Go to the checker
86Drugs
86 Moderate

Ingredients driving the most interactions

Myo-Inositol 86

Individual Drug Interactions

The ingredients in Inositol Powder interact with 86 drugs. Click any drug to see the details.

1 of the 1 ingredient in Inositol Powder interact with drugs. Each result below shows which ingredient is responsible. Myo-Inositol

Each ingredient & the kinds of drugs it affects

For each ingredient in Inositol Powder with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

Myo-Inositol1 drug type · 86 drugs

Antidiabetes Drugs

Theoretically, taking inositol with antidiabetes drugs might increase the risk of hypoglycemia.
Clinical research shows that inositol lowers blood glucose levels and glycated hemoglobin (HbA1c) levels in patients with diabetes.

Likelihood Possible Evidence A
Myo-Inositol full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Inositol Powder, from the product label.

Cardiovascular Research

See all Cardiovascular Research products
Name
Cardiovascular Research, Ltd.
Street Address
1061-B Shary Circle
City
Concord
State
CA
ZipCode
94518
Pharmacist Counseling Corner

Inositol Powder by Cardiovascular Research: Common Questions

Does Inositol Powder by Cardiovascular Research interact with any medications?
Yes. Based on its ingredients, Inositol Powder has a known interaction with 86 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Inositol Powder contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Does inositol help with PCOS?
Inositol is possibly effective for polycystic ovary syndrome, meaning there is some clinical evidence behind it, though more research would help confirm how well it works and for whom.
What are the most common side effects?
The most frequent side effects are mild digestive ones: diarrhea, gas, and nausea. These tend to be mild and improve over time.
Is inositol safe to use while breastfeeding?
There isn't enough reliable information in our data to know whether inositol is safe during breastfeeding. Talk with your doctor or pharmacist to decide what's best for you and your baby.
Can I take inositol if I'm pregnant?
Inositol is rated possibly safe in pregnancy, but the evidence is not fully established. Any use in pregnancy should be under medical supervision — check with your doctor before taking it.
Will inositol help with depression or anxiety?
No — the evidence suggests inositol is possibly ineffective for both depression and anxiety, so it's not a reliable choice for these conditions.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Not sure if Inositol Powder is safe with your meds?

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Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Inositol Powder label
Go deeper

The Full Monographs Behind Inositol Powder’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Inositol

Interacts with 86 drugs

Inositol is a sugar alcohol made naturally in the body and found in many foods, and it is sold as a supplement (often myo-inositol) mainly for PCOS, mood, and metabolic concerns. The stronge...

Read the full Inositol monograph →
Sources

Sources & How We Checked

Inositol Powder's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 14 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Inositol 14 references
  1. Palatnik A, Frolov K, Fux M, Benjamin J. Double-blind, controlled, crossover trial of inositol versus fluvoxamine for the treatment of panic disorder. J Clin Psychopharmacol 2001;21:335-9.. PubMed
  2. Allan SJ, Kavanagh GM, Herd RM, Savin JA. The effect of inositol supplements on the psoriasis of patients taking lithium: a randomized, placebo-controlled trial. Br J Dermatol 2004;150:966-9. PubMed
  3. Machado-Vieira R, Viale CI, Kapczinski F. Mania associated with an energy drink: the possible role of caffeine, taurine, and inositol. Can J Psychiatry 2001;46:454-5. PubMed
  4. Kamenov Z, Kolarov G, Gateva A, Carlomagno G, Genazzani AD. Ovulation induction with myo-inositol alone and in combination with clomiphene citrate in polycystic ovarian syndrome patients with insulin resistance. Gynecol Endocrinol 2015;31(2):131-5. PubMed
  5. Matarrelli B, Vitacolonna E, D'Angelo M, et al. Effect of dietary myo-inositol supplementation in pregnancy on the incidence of maternal gestational diabetes mellitus and fetal outcomes: a randomized controlled trial. J Matern Fetal Neonatal Med 2013;26(1 PubMed
  6. Mukai T, Kishi T, Matsuda Y, Iwata N. A meta-analysis of inositol for depression and anxiety disorders. Hum Psychopharmacol 2014;29(1):55-63. PubMed
  7. Farren M, Daly N, McKeating A, Kinsley B, Turner MJ, Daly S. The Prevention of Gestational Diabetes Mellitus With Antenatal Oral Inositol Supplementation: A Randomized Controlled Trial. Diabetes Care. 2017;40(6):759-63. PubMed
  8. Zheng X, Liu Z, Zhang Y, et al. Relationship Between Myo-Inositol Supplementary and Gestational Diabetes Mellitus: A Meta-Analysis. Medicine (Baltimore). 2015;94(42):e1604. PubMed
  9. Crawford TJ, Crowther CA, Alsweiler J, Brown J. Antenatal dietary supplementation with myo-inositol in women during pregnancy for preventing gestational diabetes. Cochrane Database Syst Rev. 2015;(12):CD011507. PubMed
  10. Maurizi AR, Menduni M, Del Toro R, et al. A pilot study of D-chiro-inositol plus folic acid in overweight patients with type 1 diabetes. Acta Diabetol. 2017;54(4):361-65. PubMed
  11. Leppink EW, Redden SA, Grant JE. A double-blind, placebo-controlled study of inositol in trichotillomania. Int Clin Psychopharmacol. 2017;32(2):107-14. PubMed
  12. Lam S, Mandrekar SJ, Gesthalter Y. A Randomized Phase IIb Trial of myo-Inositol in Smokers with Bronchial Dysplasia. Cancer Prev Res (Phila). 2016;9(12):906-14.
  13. Wozniak J, Faraone SV, Chan J, et al. A randomized clinical trial of high eicosapentaenoic acid omega-3 fatty acids and inositol as monotherapy and in combination in the treatment of pediatric bipolar spectrum disorders: a pilot study. J Clin Psychiatry. PubMed
  14. Vitale SG, Corrado F, Caruso S, et al. Myo-inositol supplementation to prevent gestational diabetes in overweight non-obese women: bioelectrical impedance analysis, metabolic aspects, obstetric and neonatal outcomes - a randomized and open-label, placebo-

See these in context on the Inositol monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

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