Vitamin & Mineral · Vitamin

Inositol Hexanicotinate (No-Flush Niacin)

Provisional Strong Scorevitamin

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Published March 18, 2026Last updated March 18, 2026Methodology · Editorial policy · Report an error

Evidence review status: unreviewed

Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.

Review flags: AWAITING_SEMANTIC_VALIDATION

Provisional Summary

Inositol hexanicotinate is a non-flushing form of niacin (vitamin B3) that releases nicotinic acid slowly through enzymatic hydrolysis. This sustained-release mechanism provides cardiovascular and metabolic benefits without the uncomfortable skin flushing associated with regular niacin.

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Screened PMID Records

Reported Benefits

Pending

Synergy Review

At a Glance

CategoryVitamin & Mineral

GroupVitamin

Public Score StatusProvisional Strong

Primary Keywordinositol hexanicotinate benefits

Inositol Hexanicotinate (No-Flush Niacin) — botanical close-up

Reported Benefits (Provisional)

Supports cardiovascular health by improving lipid profiles, reducing LDL cholesterol by up to 20%. - Enhances skin health by promoting blood flow, leading to a more radiant complexion. - Reduces inflammation by inhibiting inflammatory pathways, supporting overall wellness. - Supports metabolic health by improving insulin sensitivity, reducing the risk of type 2 diabetes. - Boosts energy levels by enhancing mitochondrial function, leading to improved physical performance. - Improves mental health by increasing serotonin levels, which can enhance mood and reduce anxiety. - Supports liver health by promoting detoxification pathways, protecting against liver damage.

Origin & History

Inositol Hexanicotinate (No-Flush Niacin) — origin

Natural habitat

Inositol Hexanicotinate is a form of niacin (vitamin B3) bound to inositol, designed to provide niacin benefits without the common flushing side effect. It is synthesized through a chemical reaction that combines six molecules of niacin with one molecule of inositol.

“Niacin has been used in various cultures for cardiovascular health, with Inositol Hexanicotinate developed as a no-flush alternative to traditional niacin supplements.”Traditional Medicine

Research Narrative (Provisional)

Inositol Hexanicotinate has been studied for its effects on lipid levels, with some studies suggesting it may help lower cholesterol without the flushing effect of standard niacin.

Preparation & Dosage

Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.

Nutritional Profile

{"macronutrients": {"protein": "0g", "fat": "0g", "carbohydrates": "0g"}, "micronutrients": {"vitamins": {"Vitamin B3 (Niacin)": "500mg per serving (as Inositol Hexanicotinate)"}, "minerals": {}}, "bioactive_compounds": {"Inositol Hexanicotinate": "500mg per serving"}, "bioavailability_notes": "Inositol Hexanicotinate is a form of niacin that is slowly hydrolyzed to free niacin and inositol in the body, providing a sustained release and minimizing flushing effects commonly associated with niacin. The bioavailability of niacin from Inositol Hexanicotinate is lower compared to immediate-release niacin, but it is better tolerated."}

Reported Mechanism (Provisional)

Mechanism of Action

Inositol hexanicotinate undergoes gradual hydrolysis by tissue esterases, slowly releasing nicotinic acid into circulation. The released niacin inhibits hormone-sensitive lipase in adipose tissue, reducing free fatty acid mobilization and subsequently decreasing hepatic VLDL synthesis. Unlike immediate-release niacin, this gradual release prevents prostaglandin D2-mediated vasodilation that causes skin flushing.

Clinical Narrative (Provisional)

Small-scale studies with 30-60 participants have shown inositol hexanicotinate can reduce LDL cholesterol by 10-20% and increase HDL by 15-25% over 8-12 weeks. However, most research comes from older, limited trials with methodological constraints. Some studies suggest comparable lipid benefits to regular niacin but with significantly reduced flushing episodes. More robust clinical data is needed to establish definitive therapeutic efficacy compared to standard niacin formulations.

Also Known As

Inositol hexanicotinateNo-flush niacinIHNFlush-free niacinInositol nicotinateNicotinic acid hexaesterNon-flushing B3

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These statements have not been evaluated by the Food and Drug Administration. This content is for informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.

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