Niacin (B3) in Fiddlehead ferns, frozen, unprepared
3.3 mg
Preformed niacin only; tryptophan data was unavailable for this food. Why?
20% of the RDA for adult men (16 mg)
Preformed niacin only; tryptophan data was unavailable for this food. Why?
20% of the RDA for adult men (16 mg)