| Nicotinamide phosphoribosyltransferase | 55.521 | UniProtKB | 
| NLRP3 (Nod-like receptor protein 3 inflammasome) | 118.173 | Found via general search | 
| NO [Nitric Oxide] | 0.03 | Found via general search | 
| Non-secretory ribonuclease | 18.354 | UniProtKB | 
| Norepinephrine | 0.16918 | UniProtKB | 
| Notch-3 | 243 | Found via general search | 
| NT-proBNP (N-terminal brain natriuretic peptide) | 8.5 | Found via general search | 
| Oleic Acid | 0.282 | Found via general search | 
| Omentin | 35 | Found via general search | 
| Oncostatin-M | 26 | Found via general search |