---
title: "Does phentermine give you energy? What to expect"
description: "Does phentermine give you energy? Yes, it can feel energizing because it stimulates the nervous system, and it can also cause jitteriness or insomnia."
canonical: "https://www.vitalsvault.com/treatment-learn/does-phentermine-give-you-energy"
last-updated: 2026-08-22
---

# Does phentermine give you energy? What to expect

> Does phentermine give you energy? Yes, it can feel energizing because it stimulates the nervous system, and it can also cause jitteriness or insomnia.

---

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