Vitamin

Niacin

• Where it occurs

  "Niacin is found naturally in many foods and is added to some foods."

  NIH Office of Dietary Supplements (Niacin — Consumer)

• Reference intake

  "Birth to 12 months: Not established"

  NIH Office of Dietary Supplements (Niacin — Consumer — Upper Limit)

• Reference intake

  "Birth to 6 months: 2 mg"

  NIH Office of Dietary Supplements (Niacin — Consumer — Recommended Amount)