Vitamin A Benefits Cheatsheet

What is Vitamin A?

  • Fat-soluble vitamin essential for multiple body functions
  • Exists as preformed vitamin A (retinol) and provitamin A (beta-carotene)

Key Benefits of Vitamin A

  • Vision: Maintains healthy eyesight and prevents night blindness
  • Immune Support: Enhances immune system function and infection resistance
  • Skin Health: Supports skin repair and integrity
  • Cell Growth: Aids in cell differentiation and development
  • Reproduction: Important for reproductive health and fetal development

Dietary Sources of Vitamin A

  • Preformed Vitamin A (Retinol):
    • Liver (beef, chicken)
    • Dairy products (milk, cheese, butter)
    • Fish oils
  • Provitamin A (Beta-Carotene):
    • Carrots
    • Sweet potatoes
    • Spinach and kale
    • Mangoes
    • Apricots
  • Varies by age, sex, and life stage
  • Adult average: 700-900 mcg RAE (Retinol Activity Equivalents) daily
  • Excess intake can cause toxicity; avoid megadoses without medical advice

Signs of Vitamin A Deficiency

  • Night blindness
  • Dry skin and eyes
  • Increased infection risk
  • Delayed growth in children

Tips for Optimal Vitamin A Intake

  • Include a mix of animal and plant sources
  • Consume with healthy fats to improve absorption
  • Avoid excessive supplementation unless prescribed