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Dietary supplement

Inositol Powder Ingredients & Drug Interactions

by Vital Nutrients

Inositol Powder label
See full label image
Powder Category: Non-nutrient/non-botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 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 Vital Nutrients 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 Inositol, Powder. 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 Vital Nutrients

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

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HelloPharmacist Scorecard of Inositol Powder by Vital Nutrients

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 13, 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: inositol, a naturally occurring compound. Inositol plays a role in how your body manages blood sugar and is studied for hormonal and metabolic health.

Does it work?

Moderate evidence
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

This product doesn't appear to be marketed for a specific use, so we graded Inositol's overall clinical evidence instead.

Moderate

Some clinical evidence supports Inositol for:

Why this rating?
  • We looked at the product name, claims, and label statements and couldn't find a stated purpose to grade.
  • Since the label doesn't commit to one use, we graded the ingredient's overall clinical evidence instead.
  • On file: Polycystic ovary syndrome (PCOS) — rated "Possibly Effective" (Natural Medicines).
  • On file: Preterm labor — rated "Possibly Effective" (Natural Medicines).
  • On file: Metabolic syndrome — rated "Possibly Effective" (Natural Medicines).

Inositol shows possibly effective evidence for polycystic ovary syndrome (PCOS) and metabolic syndrome. For preterm labor, the evidence also rates as possibly effective.

However, for anxiety, diabetic nerve pain (diabetic neuropathy), and depression, the evidence rates as possibly ineffective — meaning it's not shown to help with those conditions in the data we hold.

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.

Inositol is generally well tolerated at common doses. The most frequent side effects are mild digestive ones — diarrhea, gas, and nausea — when taken by mouth.

One clinical report noted cold and allergy symptoms in children who took inositol combined with omega-3 fatty acids, though that was a different formulation. There's one case report of a man hospitalized with mania after consuming an energy drink with inositol and multiple other ingredients over several days, but it's unclear whether inositol alone was responsible.

For pregnancy, the safety data advises that there isn't enough information to know if it's safe, so use only under your doctor's supervision. Lactation safety data isn't on file for this ingredient.

Talk with your doctor or pharmacist before taking inositol if you're pregnant or 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.

Before you start, double-check any antidiabetes drugs you take — inositol can lower blood sugar further and raise the risk of hypoglycemia (low blood sugar). Your doctor or pharmacist should review your exact medications with the search tool on this page.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with some supporting evidence behind its ingredients' uses. Moderate medication interactions have been identified, and safety information is well characterized.

Inositol may be worth considering if you're dealing with PCOS, metabolic syndrome, or preterm labor concerns and want a possibly effective option. If you take diabetes medication or blood sugar–lowering drugs, clear it with your doctor or pharmacist first — the interaction risk is real.

Start a conversation with your own healthcare provider about whether it fits your situation.

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 Jan 24, 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 Vital Nutrients
Barcode (UPC) 693465532119
Net contents 225 Gram(s); 7.94 Ounce(s)
Market status On market
Date entered into DSLD Jan 24, 2024
DSLD ID 305055
Product type Non-nutrient/non-botanical
Supplement form Powder
Dietary claims / uses All Other
Intended target group(s) Adult (18 - 50 Years), Gluten Free, Dairy 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 Vital Nutrients, 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:
4 Gram(s)
Maximum serving Sizes:
4 Gram(s)
Servings per container
56
UPC/BARCODE
693465532119
IngredientAmount% DV
Inositol, Powder3800 mg--

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.
Storage

Store sealed in a cool dry place

Precautions

Keep out of reach of children

Use only if safety seal is intact

Warning If pregnant, consult your physician before taking

Inner seal may lift off when cap is removed. Seal integrity is maintained until cap is removed. Raw materials and finished products are independently tested by U.S. labs.

Suggested/Recommended/Usage/Directions

Recommendations Take 1 rounded teaspoon 1 to 2 times daily, or as directed by your healthcare professional.

Formulation

Excludes coatings, binders, gluten (wheat, rye, barley), milk/dairy (casein, whey), soy protein, egg protein, sugar. Verified by independent testing

General Statements

Learn more at vitalnutrients.net

FDA Statement of Identity

Dietary Supplement

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

See for yourself

Inositol Powder by Vital Nutrients 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 Vital Nutrients

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

Serving size4 Gram(s) Dosage formPowder Servings per container56 Amounts shown are per serving.

Inositol, Powder

Interacts with
86 drugs
3800 mg per serving Form: Myo-Inositol, Powder

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...

Inositol, Powder monograph & interactions
Interaction report

Inositol Powder by Vital Nutrients 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

Inositol, Powder 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. Inositol, Powder

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.

Inositol, Powder1 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
Inositol, Powder full monograph & interactions
The maker

Brand information

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

Vital Nutrients

See all Vital Nutrients products
Name
Vital Nutrients
Street Address
45 Kenneth Dooley Drive
City
Middleton
State
CT
ZipCode
06457
Web Address
vitalnutrients.net
Pharmacist Counseling Corner

Inositol Powder by Vital Nutrients: Common Questions

Does Inositol Powder by Vital Nutrients 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.
Can I take Inositol if I have PCOS?
Yes — inositol shows possibly effective evidence for polycystic ovary syndrome. That said, it's one option among several, so talk with your doctor about whether it's a good fit for your situation.
What are the most common side effects?
When taken by mouth, diarrhea, gas, and nausea are the most common — and they're usually mild. Most people tolerate inositol well at typical doses.
Is inositol safe during pregnancy?
The safety data isn't fully established. It's sometimes studied in pregnancy, but only under medical supervision. Talk with your doctor or pharmacist before taking it if you're pregnant or planning to become pregnant.
Does inositol help with anxiety or depression?
The evidence rates as possibly ineffective for both anxiety and depression in the data we hold. It's not shown to help with those conditions based on current research.
Can I take inositol with my diabetes medication?
Not without checking first — inositol lowers blood sugar itself, so combining it with diabetes drugs could increase the risk of hypoglycemia (low blood sugar). Your doctor or pharmacist needs to review your exact medications before you start.

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

Not sure if Inositol Powder is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

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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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