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Vitamin

Beta-Carotene

Also known as: Provitamin A, Carotene

B
Evidence

Provitamin A carotenoid converted to retinol as needed. Cannot cause toxicity. Provides independent antioxidant benefits.

Primary uses

  • Vitamin A precursor
  • Antioxidant
  • Skin protection
  • Eye health

How it works

  • Converted to retinol as needed
  • Conversion regulated by status
  • Independent antioxidant activity

Dosage

Typical range
6-15 mg daily
Timing
With fat
With food
Yes
Duration
May yellow skin (harmless)
Special populations
Smokers avoid high-dose supplements

Forms

  • Natural mixed carotenoids
  • From food

Safety

Common side effects

  • Carotenodermia (harmless)

Contraindications

  • Current smokers (high-dose)

Known interactions

Evidence notes

Safe vitamin A source

Grade B: Some human trials support key claims; further confirmation needed.

Related in Vitamin

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider.