essential amino acids

Question

An essential amino acid is one that:

RankGuru · Accepted Answer

1. **Nutritional Classification**: Amino acids are classified based on whether the human body can manufacture them.
2. **Non-Essential**: Can be synthesized by the body from other metabolic intermediates.
3. **Essential**: These **cannot be synthesized** in sufficient quantities by human cells.
4. **Dietary Requirement**: Because the body lacks the biochemical pathways to produce them, they **must be obtained from dietary sources** like proteins from food.
5. **Examples**: Valine, Leucine, Isoleucine, Lysine, etc.

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essential amino acids

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