🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

0.25 tsp Serving Size
57 Servings
Non-Nutrient/Non-Botanical Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

1000 mg
📊 Market median: 550.0mg (217 products) 📚 29 studies (Tier A: 0, B: 5)
This product: 1000mg

Label Claims — Verification

All Other
Structure/Function
All Other (99% of products) Structure/Function (78% of products) Nutrient (22% of products)

Target Groups

Vegetarian Adult (18 - 50 Years) Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

DIRECTIONS: For adults, take one-quarter (1/4) teaspoon one to three times daily, preferably with a meal.

⚠️ Warnings & Precautions

DO NOT REFRIGERATE

WARNING: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur.

Keep out of reach of children.

Do not use if seal under cap is broken or missing.

🧪 Formulation Notes

No Artificial Color, Flavor or Sweetener, No Preservatives, No Sugar, No Starch, No Milk, No Lactose, No Soy, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.

Additional Information

Shop online www.puritan.com TO REORDER ITEM # 3870

Our state-of-the-art manufacturing and packaging facilities ensure you the highest quality nutritional supplements money can buy. When it comes to your health....choose the best.

Store at room temperature.

Item # 3870 B67700 07E

QUALITY ASSURED QA

TO REORDER ITEM #3870 www.puritan.com 1-800-645-1030

Product Details

UPC / SKU 0 74312 13870 6
DSLD Entry Date 2016-08-24
Product Type Non-Nutrient/Non-Botanical
Form Powder
DSLD ID 63506
Data Updated 2026-04-11

Research Evidence

32 Research Sources
50 Avg Quality Score
19 Rct
7 Meta Analysis
3 Clinical Trial
2 Other
1 Systematic Review
B Greater Choline-Containing Compounds and Myo-inositol in Treatment-Resistant Versus Responsive Schizophrenia: A 1H-Magnetic Resonance Spectroscopy Meta-analysis
Meta Analysis Biological psychiatry. Cognitive neuroscience and neuroimaging 2024
B Inositol for Polycystic Ovary Syndrome: A Systematic Review and Meta-analysis to Inform the 2023 Update of the International Evidence-based PCOS Guidelines
Meta Analysis The Journal of clinical endocrinology and metabolism 2024
B Antenatal dietary supplementation with myo-inositol for preventing gestational diabetes
Meta Analysis The Cochrane database of systematic reviews 2023
B Effectiveness of inositol, metformin and their combination in women with PCOS undergoing assisted reproduction: systematic review and meta-analysis
Meta Analysis Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology 2022
B Effects of myo-inositol vs. metformin on hormonal and metabolic parameters in women with PCOS: a meta-analysis
Meta Analysis Irish journal of medical science 2023
B Inositol for subfertile women with polycystic ovary syndrome
Meta Analysis The Cochrane database of systematic reviews 2018
B Treatment of lean PCOS teenagers: a follow-up comparison between Myo-Inositol and oral contraceptives
Rct European review for medical and pharmacological sciences 2021
B The 40:1 myo-inositol/D-chiro-inositol plasma ratio is able to restore ovulation in PCOS patients: comparison with other ratios
Rct European review for medical and pharmacological sciences 2019
C Investigating the effect of combined use of selenium and Myo-inositol supplements on thyroid function and autoimmune characteristics in thyroid disorders: a systematic review and meta-analysis
Meta Analysis Expert review of endocrinology & metabolism 2024
C 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-controlled clinical trial.
Rct International journal of food sciences and nutrition
View all evidence for Inositol →

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