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Below I have translated important information taken from The Doctors Vitamin and Mineral Encyclopedia, about those amino acids which are not involved in protein synthesis but are nonetheless beneficial.
| Non-essential amino acids, not involved in protein synthesis | |||
|---|---|---|---|
| Amino acid (not involved in protein synthesis)  | Effect(s) | Intake p/day | |
| positive | negative | ||
| L-Ornithine | 
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Offered by Michel.