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Well balanced Essential Amino Acid intake is crucial to maintain healthy life. Even though estimating the daily requirement for the Essential Amino Acids is difficult, World Health Organization (WHO) has set recommended daily amounts currently in use for essential amino acids for adult humans.*1


Amino acid(s) mg per kg body weight mg per 70 kg (154lbs) mg per 100 kg (220lbs)
Isoleucine 20 1,400 2,000
Leucine 39 2,730 3,900
Lysine 30 2,100 3,000
Methionine + Cysteine 10.4 + 4.1 (15 total) 1,050 1,500
Phenylalanine + Tyrosine 25 (total) 1,750 2,500
Threonine 15 1,050 1,500
Tryptophan 4 280 400
Valine 26 1,820 2,600

 

The recommended daily intakes for children aged three years and older is 10% to 20% higher than adult levels and those for infants can be as much as 150% higher in the first year of life.


*1 FAO/WHO/UNU (2007). "PROTEIN AND AMINO ACID REQUIREMENTS IN HUMAN NUTRITION". WHO Press. http://whqlibdoc.who.int/trs/WHO_TRS_935_eng.pdf. , page 150


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