Notes

Caffeine

An alkaloid that has many physiological effects:

• Positive:
  • Stimulates the central nervous system. Relieves drowsiness, fatigue, and improves reaction times.
  • Increases energy production in muscles.
• Negative:
  • Restlessness, nervousness, insomnia, fast heartbeat.
  • Potentially speeds the loss of calcium from bone.
  • Unpleasant withdrawal symptoms, subsiding after a few days. Reaches maximum effect 15 minutes to 2 hours after consumption.

An alkaloid that stimulates the central nervous system, relieving drowsiness and fatigue, and quickening reaction times. Also increases energy production in muscles.