Linked from

The 24 pages that link to Essential amino acid, each with the reason it gives.

• TryptophanNarrower topic: Tryptophan is essential in humans, so adequate intake depends on food.

• PhenylalanineNarrower topic: Humans cannot synthesize phenylalanine’s carbon skeleton in sufficient amounts.

• Branched-chain amino acidNarrower topic: All three branched-chain amino acids are essential in humans.

• MethionineNarrower topic: Humans must obtain methionine from food.

• HistidineNarrower topic: Humans must obtain histidine from food to meet physiological needs.

• ThreonineNarrower topic: Humans must obtain threonine from food.

• ValineNarrower topic: Humans must get valine from food.