| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| is 400 mg of caffeine safe | 1.37 | 1 | 1131 | 88 |
| is 400 mg of caffeine a day safe | 1.93 | 0.7 | 7809 | 14 |
| is 400 mg of caffeine a lot | 0.51 | 0.2 | 3032 | 56 |
| is 400 mg of caffeine too much | 0.94 | 1 | 1249 | 98 |
| is 400mg of caffeine a day bad | 1.68 | 0.9 | 1920 | 29 |
| is 400mg caffeine bad | 1.8 | 0.8 | 5592 | 67 |
| is 200 mg of caffeine safe | 0.71 | 0.1 | 5251 | 12 |
| is 300 mg of caffeine safe | 0.22 | 0.9 | 7535 | 51 |
| is 400 milligrams of caffeine a lot | 0.18 | 0.9 | 1913 | 15 |
| is 100 mg of caffeine safe | 0.05 | 0.6 | 6394 | 66 |
| is 500 mg of caffeine safe | 1.97 | 0.8 | 510 | 42 |
| is 600 mg of caffeine safe | 0.53 | 0.6 | 5258 | 54 |
| is 450 mg of caffeine safe | 1.79 | 0.7 | 4273 | 10 |
| how much is 400 milligrams of caffeine | 0.45 | 0.2 | 967 | 69 |
| is 1000 mg of caffeine safe | 0.26 | 0.1 | 3520 | 73 |
| how many mg of caffeine is safe | 1.82 | 0.6 | 7399 | 100 |
| how many milligrams of caffeine is safe | 0.83 | 0.8 | 3846 | 6 |
| is 300mg of caffeine ok | 1.22 | 0.1 | 673 | 79 |
| is 200mg of caffeine dangerous | 0.09 | 0.2 | 9450 | 28 |
