The essential amino acids that human can produce by themselves following 14 types:
1. Alanine
2. Arginine
3. Asparagine
4. Aspartic Acid
5. Cysteine
6. Cystine
7. Glutamic Acid
8. Glutamine
9. Glycine
10. Ornitine
11. Proline
12. Serine
13. Taurine
14. Tyrosine
