Niacinamide｜HerbBB ingredient encyclopedia

Why supplement?

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Supports energy conversion

Niacin is an NAD/NADP precursor and takes a wide part in energy and redox reactions. Products must distinguish niacin from niacinamide. Everyday use is mainly energy-metabolism nutrition; high-dose lipid lowering is a medical setting. Wellness pages only state the general nutrition role.

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Maintains skin and nerve function

足夠維生素B3有助皮膚屏障、神經與消化系統正常運作，缺乏時相關組織較易受影響。

How to take it

With foodBest taken with food (not on an empty stomach) to reduce stomach upset and flushing

Best timeMorning or midday

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

General wellness16 mg NE/day for adult men; 14 mg NE/day for adult women

Specific needsThe adult daily safety upper limit is 35 mg NE (from niacin supplements, to limit flushing/liver injury); high-dose therapymay only be prescribed by a clinician.

How oftenGenerally use the recommended daily intake.

What to watch

Cautions

People with liver disease and those using high doses should ask a doctor first.

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

People with liver disease, gastric ulcers, or diabetes should ask a doctor before high doses.

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.