| Dianabol Dbol Cycle Guide, Results, Side Effects And Dosage **Caffeine (as a dietary supplement)** | **Title** | **Key Points** | |---|---| | **Purpose** | • Acts as a central nervous system stimulant. • Enhances alertness, reduces perceived effort during exercise. • Commonly used to improve performance and aid in weight‑loss efforts. | | **Mechanism of Action** | • Blocks adenosine receptors → decreased drowsiness.
• Increases cate |