Home/ Supplements/ Inositol/ Niacin Inositol Hexanicotinate 500 mg

Niacin Inositol Hexanicotinate 500 mg

product on market Capsule 21st Century Safety: 80/100
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

What the Evidence Says

✨ AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Niacin and inositol are researched for their roles in lipid metabolism and cellular signaling. Evidence for the specific inositol hexanicotinate form is limited compared to other niacin variants. This combination is generally considered safe, though high doses of niacin can cause specific side effects.

AI-generated summary based on research evidence. Not medical advice.

Alerts

Safety Alerts

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

Label

Product Label

Label for Niacin Inositol Hexanicotinate 500 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

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

Supplement Facts — Evidence Check

400 mg (2500% DV)
Exceeds UL by 11.4× (UL: 35 mg) 196 studies (A:5, B:63)
100 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)

Other Ingredients

Gelatin Magnesium Silicate Magnesium Stearate Cellulose Contains Less Than 2% of
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a vitamin supplement, adults take one (1) capsule daily with any meal or as directed by a healthcare provider. Do not exceed recommended dosage.

Warnings & Precautions

Do not exceed recommended dosage.

Warning: Consult a healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.

Stop use and contact a physician if adverse reactions occur.

Keep out of reach of children.

Do not use if product appears to be tampered with or seal is broken.

Formulation Notes

No added Sugar, Yeast, Preservatives, Artificial Flavors or Colors.

Gluten free

Niacin (vitamin B-3) plays a role in energy metabolism. Niacin from Inositol Hexanicotinate is a good source of vitamin B-3 with a lower flushing effect than that of niacin.

Additional Information

Individual results may vary.

Store at room temperature.

Flush free

Energy & Circulatory Support

Gluten free

Guaranteed quality Laboratory tested

Metadata

Product Details

UPC / SKU7 40985 27089 9
DSLD Entry Date2019-09-24
Product TypeOther Combinations
FormCapsule
Brand21st Century
DSLD ID206779
Data Updated2026-04-11
Research

Research Evidence

32
Research Sources
50
Avg Quality
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 PubMed DOI
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 PubMed DOI
B Antenatal dietary supplementation with myo-inositol for preventing gestational diabetes
Meta Analysis The Cochrane database of systematic reviews 2023 PubMed DOI
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 PubMed DOI
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 PubMed DOI
B Inositol for subfertile women with polycystic ovary syndrome
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
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 PubMed DOI
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 PubMed DOI
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 PubMed DOI
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 PubMed DOI
View all evidence for Inositol →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.