| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| does caffeine restrict blood vessels | 1.83 | 0.6 | 8033 | 50 |
| does caffeine restrict your blood vessels | 1.11 | 0.7 | 1284 | 92 |
| does caffeine constrict blood vessels | 1.04 | 0.7 | 8693 | 4 |
| does caffeine open or constrict blood vessels | 1.54 | 0.5 | 638 | 40 |
| does caffeine narrow blood vessels | 1.6 | 0.1 | 9585 | 12 |
| does caffeine open blood vessels | 1 | 0.6 | 8988 | 70 |
| does caffeine affect blood vessels | 0.73 | 0.2 | 737 | 55 |
| does caffeine restrict blood flow | 1.83 | 0.7 | 2765 | 85 |
| does coffee restrict blood vessels | 0.36 | 0.5 | 6583 | 100 |
| caffeine and blood vessels | 1.02 | 0.6 | 3947 | 100 |
| does caffeine affect blood vessels or veins | 0.43 | 0.2 | 6768 | 84 |
| does caffeine dilate blood vessels | 1.65 | 0.1 | 7412 | 2 |
| caffeine effect on blood vessels | 1.76 | 0.6 | 876 | 39 |
| caffeine dilate or constrict blood vessels | 1.19 | 0.6 | 8141 | 35 |
| caffeine blood vessel constriction | 1.61 | 1 | 2356 | 35 |
