A member asked:

What kind of vitamins can damage the liver ?

3 doctors weighed in across 2 answers
Dr. Robert Lang answered

Specializes in Internal Medicine - Endocrinology

Vitamin A: Vitamin a in high doses is toxic to the liver.

Answered 1/13/2019

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Dr. Brian Wise answered

Specializes in ADHD and Autism

Vitamins A & B3: Vitamin A in high doses is a direct toxin. Excess vitamin A is stored in stellate cells in the liver and accumulation can lead to their activation and hypertrophy, excess collagen production, fibrosis and liver injury. Niacin Vitamin B3 hepatotoxicity appears to be dose dependent and more common with the sustained release form of the drug. https://livertox.nlm.nih.gov/Niacin.htm

Answered 11/10/2018

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