A natural stimulant found in coffee, tea, and energy supplements, known for boosting energy and focus.
Synonyms: Guaranine, theine
Benefits:
- Enhances mental alertness and concentration.
- Improves physical performance and endurance.
- May aid in fat burning.
Sources: Coffee, tea, energy drinks, and pre-workout supplements.
Notes: Overconsumption can lead to insomnia, jitters, or increased heart rate. Limit intake to 400 mg per day.
References: PubMed Study on Caffeine