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Vitamin · in-depth review

Inositol Hexanicotinate

Inositol Hexanicotinate

Inositol hexanicotinate attaches six niacin molecules to inositol. Vitamin B3 is released only after hydrolysis, so release is slower and face-and-neck flushing is often milder.

Also known asNo common aliases yet
Related diseasesPellagraDyslipidaemia
Related symptomsFatigueDry skin

Marked asPrimarySupporting

Primary

Supports cellular energy metabolism

Gut and blood slowly cut the ester bonds before cells get niacin to make NAD. Slower release means lower peak free concentration, so face-and-neck heat is often milder. People whose diet has long leaned on maize and who strongly dislike flushing can refill niacin with this esterified form.

Primary

Maintains epithelial mucosa

After hydrolysis finishes, epithelial repair and intestinal-mucosal energy still rely on NAD. Inositol is released at the same time; the core is still slow handover of niacin. People whose skin breaks easily after sun and who get recurring stomatitis use this form to spread B3 precursor release so mucosal renewal still has coenzyme available.

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Fatigue

Gut and blood slowly cut the ester bonds before cells get niacin to make NAD. People who cannot get going by day and feel foggy in the afternoon more often notice stamina for tasks and mental freshness after several continuous weeks.

Dry skin

After hydrolysis finishes, epithelial repair and intestinal-mucosal energy still rely on NAD. People whose calves or cheeks feel tight and flaky more often notice moisture and less itch after several continuous weeks.

Pellagra

Gut and blood slowly cut the ester bonds before cells get niacin to make NAD. When exposed skin reddens and flakes and gut and mood move together, people more often notice skin and spirits after several continuous weeks.

Dyslipidaemia

Gut and blood slowly cut the ester bonds before cells get niacin to make NAD. People with high fasting lipids and an oily diet more often notice lab markers and a lighter body after several continuous weeks.

With foodBest taken with food (not on an empty stomach) to reduce stomach upset and flushing
Best timeMorning or midday
SolubilityFat-soluble, Water-dispersible

Check the amount and unit of the active ingredient per serving first.

General wellnessTypical daily intake of inositol hexanicotinate for general wellness is 500–1,500 mg (not the 16 mg NE niacin RDA).
Specific needsNo separate official UL; products commonly cap around 2,000 mg per day. The 35 mg NE flush UL is mainly for free nicotinic acid and should not be applied directly. Lipid uses should be assessed by a doctor; do not exceed this on your own long term.

How oftenGenerally use the recommended daily intake.

Cautions

High-dose niacin for lipids must be prescribed and monitored by a clinician.

People with liver disease, peptic ulcer, or diabetes should ask a clinician before high doses.

Interactions

  1. Lipid-lowering drugs / statins (additive liver risk with high-dose niacin)
  2. Glucose-lowering drugs (may affect glucose control)
Common side effects

· Niacin flush, burning, or itching

· Nausea or stomach discomfort

Rare but important

· Long-term high doses may cause liver injury and raised blood sugar.

Long-term dependenceNot addictive; flushing from high doses may lessen with tolerance, but that does not mean you should raise the dose on your own.

Sources

These are institution pages you can check—not a certification of this ingredient.

Medical disclaimerThis page is compiled by the HerbBB editorial team for general health information only. It is not a substitute for advice from a doctor, pharmacist, or other qualified clinician. If you have a health condition, take medicines, or are pregnant or breastfeeding, speak with a professional first.