Apr 19, 2024



Does Phentermine Burn Fat Or Just Suppress Appetite?

weight loss phentermine

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What Is Phentermine?

Phentermine is a prescription medication approved by the FDA for short-term weight management. It is typically prescribed for individuals who have not achieved sufficient weight loss with diet and exercise alone and are at increased medical risk due to their weight. Phentermine is available under several brands and comes in different forms, including tablets and extended-release capsules.

Discover the best prices for phentermine and access free instant savings coupons for your local pharmacy using our exclusive prescriptions discount card. No insurance or sign-up is necessary.

How Phentermine Works

Phentermine's primary action is on the central nervous system, where it triggers the release of neurotransmitters that suppress appetite. By stimulating the release of brain chemicals like dopamine and norepinephrine, it reduces the sensation of hunger, leading to decreased calorie intake.

Phentermine’s Role in Weight Loss

Suppressing Appetite

The most well-documented effect of phentermine is appetite suppression. By reducing feelings of hunger, phentermine helps decrease overall calorie consumption, which is important for weight loss. Studies have shown that when combined with lifestyle modifications, phentermine can lead to significant short-term weight loss.

Fat Burning Capabilities of Phentermine

While phentermine is primarily recognized for its appetite-suppressing properties, its role in fat burning still needs to be investigated. The main contribution of phentermine to weight loss is believed to stem from its ability to facilitate adherence to a low-calorie diet rather than directly influencing fat metabolism. This highlights its role in weight management, though its direct effects on fat burning remain less certain.

Side Effects and Considerations

Like all medications, phentermine comes with potential side effects. These can range from mild symptoms like dry mouth and insomnia to more severe conditions such as increased blood pressure and heart rate. It is also unsuitable for long-term use or individuals with certain pre-existing conditions.

Comparing Phentermine to Other Weight Loss Methods

Diet and Exercise

The most recommended methods for weight loss are diet and exercise. While phentermine can assist in initial weight loss, lifestyle changes are essential for long-term health and weight maintenance.

Other Weight Loss Medications

Other prescription medications are available for weight loss, each with its own benefits and side effects. Medications like orlistat and liraglutide work through different mechanisms and may be preferable depending on individual health profiles and weight loss goals.

Managing Medication Costs with CareCard

What Is a Prescription Discount Card?

Prescription discount cards, such as CareCard, can help manage medication costs by offering discounts on retail prices. These cards are particularly useful for uninsured or underinsured individuals.

How CareCard Can Help With the Cost of Phentermine

By using CareCard, anyone with a prescription can save up to 85% on medications like phentermine. CareCard partners with over 80,000 pharmacies nationwide, offering lower prices through direct negotiations. It's a must-have for anyone taking prescription medication.


Phentermine primarily functions by curbing appetite, with potential minor impacts on fat burning due to calorie deficit. While it's recognized for aiding a low-calorie diet, its direct influence on fat metabolism is still uncertain. 

Managing its cost with prescription discount cards like CareCard can make this effective medication more accessible. As always, discussing any weight loss strategy with a healthcare provider is important to ensure it fits individual health needs and conditions.


Does phentermine burn fat or just suppress appetite?

Phentermine primarily works by suppressing appetite and reducing feelings of hunger to support decreased calorie intake. While it may have minor effects on fat burning through calorie deficit, its main mechanism is appetite suppression.

What are the main benefits of using phentermine for weight loss?

Phentermine benefits individuals who have yet to achieve sufficient weight loss with diet and exercise alone. It helps by suppressing appetite, leading to decreased calorie consumption, and facilitating significant weight loss in the short term when combined with lifestyle modifications.

Are there any side effects associated with taking phentermine?

Yes, like all medications, phentermine can have potential side effects. These range from mild symptoms like dry mouth and insomnia to more severe conditions such as increased blood pressure and heart rate. It's important to discuss potential side effects with your healthcare provider before starting phentermine.

Can phentermine be used for long-term weight management?

Phentermine is typically approved for short-term weight management due to its potential for dependence and tolerance. It's unsuitable for long-term use, and individuals with certain pre-existing conditions should avoid it. Lifestyle changes, including diet and exercise, are essential for long-term weight management.

How can I save on the cost of phentermine medication?

You can save on the cost of phentermine medication by using a prescription discount card like CareCard. CareCard offers discounts of up to 85% on medication costs and partners with over 80,000 pharmacies nationwide, making it a valuable resource for managing prescription medication expenses.

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Pharmacy names, logos, brands, and other trademarks are the property of their respective owners. Prescription savings may vary by prescription and by pharmacy, and in some cases may be discounted up to 85% off cash price*. Please note, this is NOT insurance. CareCard offers you the opportunity to find prescription discount prices, which ultimately depend on the provider. You are fully responsible for paying for all health care services but will be entitled to receive a discount from those health care providers in accordance with the specific pre-negotiated discounted rates. CareCard Inc. is not sponsored by or affiliated with any of the pharmacies identified in its price comparisons. This information is not mean to be a substitute for professional medical advice, treatment, or diagnosis. For additional information, please reach our customer support at 1-866-410-1217, Mon- Friday 9am – 5pm Est or email us at hello@carecard.com. By using the CareCard prescription discount card or service, you are agreeing to CareCard’s Terms of Service.

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