| fish | 0.54 |
| meat | 0.51 |
| dairy products | 0.49 |
| egg | 0.48 |
| many foods | 0.47 |
| poultry | 0.34 |
| cheese | 0.34 |
| lentil | 0.25 |
| aspartame | 0.25 |
| turkey | 0.25 |
| deplete serotonin | 0.43 |
| build up in the blood | 0.43 |
| be a building block of … | 0.43 |
| cross the blood-brain b… | 0.36 |
| concentrate in the plac… | 0.35 |
| break down the seizure … | 0.34 |
| build up to harmful lev… | 0.30 |
| break down into dxp | 0.29 |
| cause brain damage | 0.29 |
| use same active transpo… | 0.29 |
| More » |
| mental retardation | 0.45 |
| seizure | 0.27 |
| safe | 0.44 |
| neurotoxic | 0.43 |
| beneficial | 0.37 |
| essential | 0.34 |
| toxic | 0.33 |
| hydrophobic | 0.29 |
| essential amino acid | 0.68 |
| obtained through the di… | 0.44 |
| converted to tyrosine | 0.43 |
| converted to cinnamic a… | 0.31 |
| converted to dopamine | 0.31 |
| converted to noradrenal… | 0.31 |
| converted to adrenalin | 0.31 |
| sold as dietary supplem… | 0.25 |
| used to produce norepin… | 0.25 |
| obtained | 0.25 |