Weight Loss + Appetite Control
Phentermine
The original prescription appetite suppressant — clinically proven to reduce hunger, increase energy, and accelerate fat loss when combined with a structured plan.
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Overview
Pharmacology
Phentermine is a structural analog of amphetamine that acts primarily by triggering norepinephrine release from presynaptic terminals in the hypothalamus — specifically the lateral hypothalamus and arcuate nucleus. Elevated norepinephrine activates adrenergic receptors that suppress appetite signaling and increase satiety. It also causes modest dopamine and serotonin release, contributing to mood elevation and reduced food reward.
Mechanism of Action
- Stimulates norepinephrine release → activates α and β adrenergic receptors in the hypothalamus
- Suppresses NPY (neuropeptide Y) and AgRP signaling — the two primary hunger-driving neuropeptides
- Increases POMC/α-MSH activity — the satiety pathway
- Net effect: reduced hunger drive, earlier satiety, less caloric intake
Oral
Taken orally in the morning after breakfast. Avoid all stimulants such as coffee, energy drinks, and Adderall.
Information presented here is for educational purposes only and not intended to replace or substitute guidance from a healthcare provider. Compounded medications are not FDA-approved nor evaluated by the FDA for safety, efficacy, or quality.
Benefits
Appetite Control
Craving Reduction
Individual results may vary. Benefits described are based on clinical and pharmacological evidence and do not constitute a guarantee of treatment outcomes. All treatment requires evaluation and approval by a licensed provider.
Simple. Medical.
Personalized.
Medical intake
Answer a few online questions about your health history, lifestyle, & goals. No clinic visits required.
Provider evaluation
A licensed medical provider reviews your intake to determine the safest, personalized treatment.
Personalized plan
Custom treatment plan built around your unique health needs, goals, medical history, & biology.
Ongoing support
Stay connected with your care team for follow-ups, adjustments, & expert answers 100% online.
All eligibility is reviewed by a licensed medical professional
FAQs
What is Phentermine?
Phentermine is a prescription therapy used for weight management support.
Who should use Phentermine?
Patients seeking support for weight management support may qualify after evaluation by a licensed provider.
Does Phentermine require a prescription?
Yes. Phentermine is a Schedule IV controlled substance requiring a valid prescription from a licensed provider.
What are the possible side effects?
Phentermine may cause insomnia, elevated heart rate, dry mouth, and increased blood pressure. Nervousness, anxiety, dizziness, and palpitations may also occur.
Who Should Not Use Phentermine?
Contraindicated in patients with uncontrolled hypertension, cardiovascular disease, hyperthyroidism, glaucoma, or a history of drug abuse. Not for use with MAOIs or within 14 days of discontinuing MAOI therapy. Not recommended during pregnancy.
Are there any drug interactions?
Phentermine is contraindicated with MAOIs. Caffeine may amplify the cardiovascular effects of other stimulants. Disclose all medications to your provider.
Is Phentermine safe if I have a pre-existing medical condition?
Patients with hypertension, cardiac arrhythmias, anxiety disorders, or renal impairment require careful provider evaluation before starting. Periodic blood pressure and cardiac monitoring is recommended during use.
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Legal
The information and clinical services described on this website are for educational and informational purposes only and are not intended to diagnose, treat, cure, or prevent any disease. All treatments require evaluation and approval by a licensed healthcare provider through a telemedicine consultation. Treatment approval is not guaranteed. Individual results may vary, and treatments may carry risks and side effects. Certain compounded medications, wellness treatments, or off-label uses may not be evaluated by the U.S. Food and Drug Administration (FDA) for safety, effectiveness, or quality unless explicitly stated. Testosterone Shots provides telehealth consultations, clinical review, care coordination, lab-related services, membership services, and ongoing treatment management. Testosterone Shots is not a pharmacy and does not manufacture, compound, dispense, sell, handle, warehouse, ship, or collect payment for prescription medication. Testosterone Shots collects payment only for consultations, clinical review, care coordination, lab-related services, membership services, and other non-pharmacy services. If treatment is approved, your prescription may be sent to a licensed pharmacy partner. The pharmacy contacts you directly to complete medication payment and shipping. Services are provided by licensed physicians, nurse practitioners, and/or other licensed healthcare providers in states where they are authorized to practice. This service is not intended for medical emergencies. If you are experiencing an emergency, call 911 or seek immediate medical care. We take reasonable measures to protect personal health information in accordance with applicable privacy laws, including HIPAA. By using this website or its services, you agree to our Terms of Service, Privacy Policy, Notice of Privacy Practices, Telehealth Consent, and Important Safety Information. You must be 18 years of age or older to use this service.