Daily intake of essential nutrients
Recommendations for daily intake of essential vitamins, minerals and amino acids for an adult of average height and build:
  • Vitamin A: 900 mcg (men), 700 mcg (women)
  • Vitamin C: 90 mg (men), 75 mg (women)
  • Vitamin D: 600-800 IU (International Units), which is equivalent to 15-20 mcg
  • Vitamin E: 15 mg
  • Vitamin K: 120 mcg (men), 90 mcg (women)
  • Vitamin B1 (Thiamine): 1.2 mg (men), 1.1 mg (women)
  • Vitamin B2 (Riboflavin): 1.3 mg (men), 1.1 mg (women)
  • Vitamin B6: 1.3-1.7 mg (depending on age)
  • Folate (B9): 400 mcg
  • Vitamin B12: 2.4 mcg
  • Calcium: 1000-1200 mg
  • Iron: 8 mg (men), 18 mg (women)
  • Magnesium: 400-420 mg (men), 310-320 mg (women)
  • Potassium: 4700 mg
  • Phosphorus: 700 mg
  • Zinc: 11 mg (men), 8 mg (women)
  • Copper: 900 mcg
  • Selenium: 55 mcg
  • Leucine: 39 mg/kg body weight — about 2.7 g
  • Isoleucine: 20 mg/kg body weight — about 1.4 g
  • Valine: 26 mg/kg body weight — about 1.8 g
  • Lysine: 30 mg/kg body weight — about 2.1 g
  • Threonine: 15 mg/kg body weight — about 1.05 g
  • Methionine: 15 mg/kg body weight — about 1.05 g
  • Phenylalanine: 25 mg/kg body weight — about 1.75 g
  • Tryptophan: 4 mg/kg body weight — about 0.28 g

These values may vary depending on activity level, age, and other individual factors.

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