🟢 80/100

This product is generally safe

  • Niacin: 400mg is 11.4× the Tolerable Upper Intake Level (35mg)
  • 100% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacin: 400mg is 11.4× the Tolerable Upper Intake Level (35mg)

Label Data

1 Capsule(s) Serving Size
100 Servings
Other Combinations Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

400 mg (2500% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 11.4× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 400mg UL 35mg
110 mg
📊 Market median: 550.0mg (217 products) 📚 29 studies (Tier A: 0, B: 5)
This product: 110mg

Other Ingredients

Vegetarian Capsule Cellulose Magnesium Stearate Silica

Label Claims — Verification

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

Target Groups

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

Product Information

📋 Directions for Use

Suggested Use: Take one capsule up to four times daily with meals.

⚠️ Warnings & Precautions

Keep out of reach of children.

🧪 Formulation Notes

Contains no artificial colors, flavors or preservatives; no wheat, gluten, milk, eggs, peanuts, tree nuts, soy, crustacean shellfish or fish.

Suitable for vegans.

Niacin has long been a popular supplement used for healthy cholesterol support, but many users often complain about the "niacin flush" that accompanies its use. Our vegetarian formula No-Flush Niacin, also known as inositol hexanicotinate, is a form of niacin that provides all of the same benefits as traditional niacin without the flush. This is possible because the body metabolizes inositol hexanicotinate slower than traditional niacin, not reaching full serum levels for nearly 10 hours. Purity + potency guaranteed

Cholesterol support

Gluten free

Vegan

Additional Information

To report a serious adverse event, call 1-888-710-0006

Product Details

DSLD Entry Date 2021-04-22
Product Type Other Combinations
Form Capsule
DSLD ID 247021
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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