2
3
↑2
↓0
—3
Evidence suggests Caffeine haslittle to no effecton Heart rate.
6 studies (5 claims)
Typical dose 5 mg
Exact normalized-entity scope. Exact scope. Claims must match the selected normalized intervention and endpoint IDs; signal links are not expanded. Direction describes the stored endpoint phrase and is not a benefit/harm judgement.
5 of 6
| Intervention | Direction | Endpoint | Type | Population | Dosage | Title |
|---|---|---|---|---|---|---|
| caffeine | No effect - No effects were found for | heart rate | Human | 24-hour caffeine deprived habitual caffeine consumers | 200 mg caffeine, 2000 mg taurine, and 50 g glucose, administered in various combinations. | Differential cognitive effects of energy drink ingredients: caffeine, taurine, and glucose.cited 85× |
| caffeine | Increases - significantly higher measures | heart rate | Human | 14 competitive female cyclists | 5 mg·kg of caffeine, consumed one hour before the trial. | Effects of dietary nitrate, caffeine, and their combination on 20-km cycling time trial performance.cited 52× |
| caffeine | No effect - did not significantly affect | heart rate | Human | fifteen healthy male (n = 8) and female (n = 7) participants | Not specified | Effect of a Multi-Nutrient Over-the-Counter Supplement on Changes in Metabolic Rate and Markers of Lipolysis.cited 5× |
| caffeine | Increases - increased | heart rate | Human | 16 male cyclists | Not available | The Effects of Caffeine on Heart Rate and Heart Rate Variability at Rest and During Submaximal Cycling Exercise. |
| caffeine | No effect - modulate | heart rate | Human | — | Not specified. | The Effects of Caffeine on Blood Platelets and the Cardiovascular System through Adenosine Receptors.cited 3× |