| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| serotonin supplements brain barrier | 0.57 | 0.8 | 4462 | 37 | 35 |
| serotonin | 0.48 | 0.7 | 9027 | 16 | 9 |
| supplements | 1.96 | 0.7 | 5351 | 71 | 11 |
| brain | 0.11 | 0.7 | 2982 | 7 | 5 |
| barrier | 0.41 | 0.3 | 6360 | 54 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| serotonin supplements brain barrier | 1.02 | 0.5 | 7326 | 89 |
| serotonin blood brain barrier | 0.07 | 0.5 | 5725 | 2 |
| serotonin cross blood brain barrier | 0.36 | 0.8 | 3140 | 24 |
| serotonin brain food supplement | 1.79 | 0.1 | 8075 | 54 |
| serotonin and the brain | 0.96 | 1 | 1501 | 66 |
| blood brain barrier supplements | 0.98 | 0.5 | 5207 | 30 |
| how to increase serotonin in brain | 1.61 | 0.8 | 50 | 78 |
| serotonin impact on brain | 1.22 | 0.5 | 1106 | 65 |
| serotonin action in brain | 0.68 | 0.5 | 3210 | 91 |
| supplements that contain serotonin | 0.97 | 0.2 | 4914 | 39 |
| how to increase serotonin levels in brain | 1.24 | 0.5 | 1541 | 91 |
| building blocks of serotonin | 1.77 | 0.3 | 1507 | 85 |
| serotonin effects on the brain | 1.76 | 0.1 | 85 | 64 |
| supplements that support serotonin production | 0.56 | 0.8 | 8304 | 3 |
