Niacin (niacin equivalents) unit converter
Niacin equivalents (NE): 1 mg NE = 1 mg niacin = 60 mg tryptophan.
Also known as: Niacin equivalents, NE, Nicotinamide, Nicotinic acid, Niacin-Äquivalent, Vitamin B3
Converter
Enter a value in any unit and all other units fill in.
Dose conversions apply only to the substance and form named here. Do not use them to dose medicines; follow the label, the package leaflet and your prescriber.
Worked example
100 mg tryptophan = 1.67 mg NE
Conversion formulas
| mg tryptophan | mg tryptophan = mg NE × 60 | mg NE = mg tryptophan × 0.01667 |
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Reference range
Doses have no reference range.
Source: DGE (German Nutrition Society): Reference values for niacin · Last reviewed: 2026-10-14
Note from the source: DGE table footnote a and 21 CFR 101.9 footnote 5: 1 mg NE = 1 mg niacin = 60 mg tryptophan.