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Inositol: study protocols

13 study groups say how much Inositol participants took a day. These are the doses the studies gave. They are not a recommendation.

Inositol: what the research found →

Dose per serving from products

6,110 products in our catalogue print how much Inositol a serving holds.

Most common: 25 mg to 50 mg, 17% of 6,110 products.

Dose per servingProducts
25 mcg or less
297
25 mcg to 50 mcg
412
50 mcg to 100 mcg
67
100 mcg to 250 mcg
16
250 mcg to 500 mcg
23
500 mcg to 1 mg
123
1 mg to 2.5 mg
228
2.5 mg to 5 mg
241
5 mg to 10 mg
496
10 mg to 25 mg
848
25 mg to 50 mg
1,052
50 mg to 100 mg
886
100 mg to 250 mg
501
250 mg to 500 mg
211
500 mg to 1 g
283
1 g to 2.5 g
372
over 2.5 g
54

Dose per serving from research

13 study groups in 11 studies say how much Inositol participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 2.5 g to 5 g, 62% of 13 study groups.

Daily doseStudy groups
500 mg to 1 g
1
1 g to 2.5 g
4
2.5 g to 5 g
8

Commonly used together

8 of 13 study groups took Inositol with something else. Shown: what 3 or more different studies gave. The 10 most common of 11.

What was given together, not what works together.

Taken withStudy groups
Folic Acid
8
Calcium
4
Iodine
4
Iron
4
Probiotics
4
Riboflavin
4
Vitamin B12
4
Vitamin B6
4
Vitamin D
4
Zinc
4

13 study groups

Study
Comparison of metformin plus myoinositol vs metformin alone in PCOS women undergoing ovulation induction cycles: randomized controlled trial
2019 · Group I · Infertile women with polycystic ovarian syndrome (PCOS)
1.8 g90 days60
Comparison of the effect of two combinations of myo-inositol and D-chiro-inositol in women with polycystic ovary syndrome undergoing ICSI: a randomized controlled trial
2019 · study group (SG) · Women with PCOS undergoing ICSI; age not reported
1.4 g12 weeks—
Myo-inositol Supplementation for Prevention of Gestational Diabetes in Obese Pregnant Women: A Randomized Controlled Trial
2015 · myo-inositol · Pregnant obese women (prepregnancy BMI 30 or greater)
4 g—110
Myo-inositol may prevent gestational diabetes onset in overweight women: a randomized, controlled trial
2016 · myo-inositol group · Pregnant overweight, non-obese women with pre-pregnancy BMI ≥25 and <30 kg/m²
4 g—110
Comparison of the effect of two combinations of myo-inositol and D-chiro-inositol in women with polycystic ovary syndrome undergoing ICSI: a randomized controlled trial
2019 · control group (CG) · Women with PCOS undergoing ICSI; age not reported
1.13 g12 weeks—
Higher Plasma Myo-Inositol in Pregnancy Associated with Reduced Postpartum Blood Loss: Secondary Analyses of the NiPPeR Trial
2024 · intervention supplement · Women aged 18–38 years planning conception; those included in this analysis conceived and had a singleton live birth
4 g—293
Impact of preconception and antenatal supplementation with myo-inositol, probiotics, and micronutrients on offspring BMI and weight gain over the first 2 years
2024 · Intervention group · Offspring of women aged 18–38 years recruited while planning pregnancy; mothers received the supplement before conception and during pregnancy
4 g—287
Effects of d-chiro-inositol in lean women with the polycystic ovary syndrome
2002 · D-chiro-inositol group · Lean women with polycystic ovary syndrome, BMI 20.0–24.4 kg/m²
600 mg8 weeks10
Ovulatory and metabolic effects of D-chiro-inositol in the polycystic ovary syndrome
1999 · D-chiro-inositol · Obese women with polycystic ovary syndrome
1.2 g7 weeks22
Maternal B-vitamin and vitamin D status before, during, and after pregnancy and the influence of supplementation preconception and during pregnancy: Prespecified secondary analysis of the NiPPeR double-blind randomized controlled trial
2023 · intervention · Women planning pregnancy; generally healthy, recruited before conception
4 g—870