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Vitamin A (Retinol)

vitamins · Vision · immune · skin · bone health

Strong evidence

Vitamin A (retinol) is essential for vision, immune function, and skin cell turnover. Important to distinguish between retinol (animal-based) and beta-carotene (plant-based precursor).

⏱️ Timing & dosage for Vitamin A (Retinol)

Best time to take

With fat-containing meal — fat-soluble vitamin

Suggested dose

2,500–5,000 IU retinol daily; stay under 10,000 IU

✅ Benefits of Vitamin A (Retinol)

  • Night vision and eye health
  • Immune function
  • Skin cell renewal
  • Bone development
  • Reproductive health

⚠️ Side effects & risks

  • Toxic at high doses — do not exceed 10,000 IU daily long-term
  • Teratogenic in pregnancy at high doses
  • Use beta-carotene form for safer dosing

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⚕️ Medical Disclaimer: Nothing on Stack Ritual constitutes medical advice. The information provided is for educational purposes only. Always consult your doctor or a qualified healthcare provider before beginning, changing, or stopping any vitamin, supplement, or wellness regimen.