**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

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Key Take‑Home Points About the Drug Described in the Article

|
| Concept | Summary (from the article) |

|---|---------|----------------------------|
| 1 | Drug class & mechanism of action | The agent is
a β‑lactamase‑resistant carbapenem that binds penicillin‑binding protein 3 with high affinity,
inhibiting cell‑wall synthesis while evading hydrolysis by most
class