Physician Supervised Phentermine Weight Loss in Philadelphia & SOuth Jersey
Medically reviewed by Robert Fortino, DO · Updated September 2026
Doctor-Supervised Phentermine for Weight Loss
Phentermine is an FDA-approved prescription appetite suppressant for short-term use in adults with obesity.
Phentermine is never prescribed in isolation. Under Dr. Fortino’s care, it serves as one tool within a comprehensive, medically supervised weight loss program, started only after an in-person medical evaluation and monitored at every visit.
Phentermine is clinically indicated as a short-term tool to jump-start weight loss for adults struggling with intense hunger or cravings who have no underlying heart conditions, uncontrolled blood pressure, or contraindicating medications.
If phentermine is clinically appropriate, Dr. Fortino outlines a clear, short-term protocol paired with his metabolic nutrition plan; if it is not, he discusses alternative clinical options to help you achieve your goals safely.
Nearly 30 years of physician-supervised medical weight loss in South Philadelphia and Turnersville, NJ
Is Phentermine Is Right for You?
Start with a complete in-person evaluation with Dr. Fortino.
Medical Weight Loss Before It Was Mainstream,
Serving Philadelphia and South Jersey since 1999.
Food, Hydration, and Daily Nutrition While Taking Phentermine
Phentermine reduces hunger signals in the central nervous system, but it does not replace the need for proper nutrition. Skipping meals or neglecting fluids can cause lightheadedness, fatigue, and blood sugar dips that undermine your progress. Dr. Fortino integrates specific nutrition and hydration protocols into your treatment plan from day one:
- Real Protein and Natural Animal Fats at Every Meal: When your appetite drops, the biggest mistake is simply starving yourself. Under-eating slows your metabolic rate and burns through muscle. Dr. Fortino’s protocol prioritizes nutrient-dense whole animal proteins paired with natural fats—steaks, whole eggs, chicken with the skin, pork, and rich fish like salmon. Natural fats provide lasting satiety, keep your gall bladder and digestion functioning, and stabilize your energy without insulin spikes.
- Manage Dry Mouth with Structured Water Intake: Dry mouth is the most frequent mild side effect of phentermine. Drink water steadily throughout the day rather than waiting until you feel thirsty. Avoid sugary beverages, fruit juices, or sodas, which add empty calories and worsen dehydration.
- Minimize or Eliminate Caffeine: Coffee, pre-workout powders, energy drinks, and high-caffeine teas act as secondary stimulants. Combining them with phentermine increases your risk of rapid heart rate (tachycardia), elevated blood pressure, severe jitteriness, and insomnia. Stick to water, seltzers, or decaffeinated herbal teas.
- Eliminate Alcohol: Alcohol impairs metabolic fat oxidation and disrupts sleep architecture. Combining alcohol with a central nervous system stimulant like phentermine can also mask intoxication while compounding cardiovascular strain and lightheadedness.
- Focus on Dietary Fiber: Phentermine can slow gastrointestinal motility, leading to constipation. Incorporate fiber-rich vegetables, chia seeds, flaxseed, and low-glycemic berries alongside high fluid intake to keep digestion regular.
Medical expertise.
Old-school bedside manner.
Nearly 30 years in medicine. A lifelong commitment to helping people become healthier and stronger.
Dr. Fortino is a board-certified Internal Medicine physician, Lt. Col. and Flight Surgeon in the New Jersey Air National Guard. His perspective brings together internal medicine, fitness, nutrition and military medicine.
His Strong, Not Skinny™ philosophy puts strength, daily habits and whole-person wellness at the heart of the conversation.
A personalized path
to better health.
Your medical history and goals define your starting point. Dr. Fortino connects the pieces through precise body composition analysis, metabolic nutrition, and close physician oversight at every visit.
Is Phentermine a Controlled Substance?
Yes. Phentermine is a Schedule IV controlled substance with potential for misuse and dependence, FDA-approved for short-term use only. Its labeling also warns about primary pulmonary hypertension and valvular heart disease. Take it only as prescribed, and never increase your dose on your own. See the full prescribing information on DailyMed.
Who Does Not Qualify for Phentermine?
Phentermine isn’t appropriate for everyone. According to its FDA labeling, it should not be used by people who:
- Have a history of heart disease, including coronary artery disease, stroke, irregular heart rhythms or heart failure
- Have uncontrolled high blood pressure
- Have an overactive thyroid (hyperthyroidism)
- Have glaucoma
- Are taking, or have taken within the past 14 days, an MAOI antidepressant
- Are in an agitated state or have a history of drug misuse
- Are pregnant or breastfeeding
Your evaluation screens for all of these before any prescription is considered. Like all prescription medications, Phentermine can cause side effects, and individual responses vary.
Commonly reported Phentermine side effects include dry mouth, constipation, headache, dizziness, restlessness, insomnia, increased heart rate, heart palpitations, and elevated blood pressure.
Phentermine also has important contraindications, warnings, and potential drug interactions.
Because it is a sympathomimetic prescription medication, Dr. Fortino reviews each patient’s medical history and current medications before determining whether treatment may be appropriate. Learn more in the DailyMed.
Learn more about physician-supervised Phentermine weight loss treatment and whether it may be appropriate for your health and weight management goals.
Questions? We’re Here to Help.
Call 215-336-8000 or 856-318-4100
Phentermine FAQs
How do I get a phentermine prescription?
Phentermine requires a valid medical prescription from a licensed physician following an in-person thorough clinical exam.
Where are your phentermine offices located?
Dr. Fortino provides in-person physician supervised phentermine treatment when medically appropriate at both offices:
- South Philadelphia: 1822 S Broad Street, Philadelphia, PA 19145 · 215-336-8000. Located on S Broad Street between Moore and Mifflin. Free street parking is available on the block, and paid garage parking is across Mifflin Street at Constitution Health Plaza.
- South Jersey: 129 Johnson Rd, A3, Turnersville, NJ 08012 · 856-318-4100
Can I get phentermine online?
Phentermine is a Schedule IV controlled substance. It is never available over the counter and is prescribed only after an in-person medical evaluation with Dr. Fortino.
How does phentermine work, and does it burn fat?
Phentermine is a prescription appetite suppressant that acts on the central nervous system to reduce hunger. It doesn’t burn fat directly. Instead, eating less creates the calorie deficit that leads to fat loss. As a result, adequate protein and strength-focused activity matter, because they help make sure the weight you lose is fat, not muscle.
How much weight can you lose on phentermine?
Results vary. In a 12-week clinical trial, adults taking phentermine lost significantly more weight than those taking a placebo, but no specific amount can be promised. Individual results vary.
How long can you take phentermine?
Phentermine is FDA-approved for short-term use. Dr. Fortino checks your blood pressure and heart rate at your initial visit and every follow-up. Because phentermine is a stimulant, regular check-ins allow him to see how your body is handling the medication before deciding if you should continue.
How long does it take for phentermine to work?
Many patients notice a change in appetite early in treatment, although individual response varies. If the effect fades over time, do not raise your dose. Dr. Fortino will review your progress, tolerance, and overall health to determine the safest next step.
What is the difference between phentermine and phendimetrazine?
Both are short-term prescription appetite suppressants. Phentermine is a Schedule IV controlled substance, while phendimetrazine is Schedule III. Dr. Fortino evaluates your health history to determine which option, if either, is clinically appropriate for you.
Is phentermine the same as Adipex-P?
Adipex-P is a brand name for phentermine. Dr. Fortino typically prescribes generic phentermine when medically appropriate,
See If Phentermine Is Right for You
Start with a complete evaluation in South Philadelphia or Turnersville, NJ.
Important safety information: Phentermine is a prescription, DEA-controlled medication. Tell your provider about all medications, supplements, stimulants (including decongestants and caffeine) and any personal or family history of substance misuse. Phentermine is contraindicated in pregnancy. Sharing or transferring phentermine is illegal. This page is educational and not a substitute for a medical evaluation.
Medical Disclaimer:
Please inform Dr. Fortino and his staff of all medications you are currently taking, including those prescribed by your primary care provider and any over-the-counter products or supplements.If you are pregnant, think you may be pregnant, or are planning to breastfeed, consult your physician before starting any weight loss service or treatment. Avoid stimulant-containing products—such as decongestants or caffeine—that may elevate your heart rate.