Phentermine, dispensed under the brand name Adipex®, has been an FDA-approved weight loss medication for decades. It remains one of the most cost-effective ways to get real traction quickly.
How it works
Phentermine is a sympathomimetic amine. It stimulates the release of norepinephrine, which:
- Suppresses appetite: hunger stops dominating your day
- Increases energy and alertness, making it easier to train consistently
- Slightly raises metabolic rate
Most patients take one tablet in the morning. Taking it late in the day interferes with sleep, so timing matters.
Who it's a good fit for
Phentermine is a strong option if you:
- Want a lower-cost alternative to GLP-1 medications
- Struggle mainly with portion size and evening snacking
- Need visible early results to build momentum
- Have no uncontrolled high blood pressure, heart disease, hyperthyroidism, or history of stimulant misuse
What to expect
Phentermine is prescribed for short-to-medium-term use with regular provider follow-up. Blood pressure and heart rate are monitored at each visit. Common side effects include dry mouth, trouble sleeping, restlessness, and a mild increase in heart rate. Most of which improve with dose and timing adjustments.
Because phentermine works on appetite rather than metabolism, the patients who keep the weight off are the ones who use the window it creates to build genuinely different eating and training habits. That's exactly what our follow-up visits are for.
Combination approaches
Phentermine is frequently paired with lipotropic and B12 injections for energy support, and in some cases can be sequenced with GLP-1 therapy. Your provider will design the combination that fits your history, your goal, and your budget.
Self-pay service. Pricing is reviewed with you before you start.