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Conditions

Supplements and Current or former smoker, or asbestos exposure

Caution

Vitamin ACautionStrong evidence

Avoid beta-carotene supplements. In large trials, high-dose beta-carotene supplements (20–30 mg/day) increased lung cancer risk in smokers and asbestos-exposed workers. Food sources are fine; if you take vitamin A, choose a product without high-dose beta-carotene.

  1. 01NIH Office of Dietary Supplements — Vitamin A Fact Sheet for Health Professionals
Check your stack with Current or former smoker, or asbestos exposure

Common questions

What should I check about Vitamin A and Current or former smoker, or asbestos exposure?

Avoid beta-carotene supplements. In large trials, high-dose beta-carotene supplements (20–30 mg/day) increased lung cancer risk in smokers and asbestos-exposed workers. Food sources are fine; if you take vitamin A, choose a product without high-dose beta-carotene.

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