Skip to content Naltrexone Weight Loss- Overview
Naltrexone has been used to treat alcohol addiction for years. Now it’s being used off-label for weight loss. This overview will cover Naltrexone for weight loss including the company behind it, the claims, ingredients, how it works, pros and cons, user feedback, results, where to buy, is it a scam, side effects, and a conclusion.
Company Behind Naltrexone
Naltrexone is made by several pharmaceutical companies under different brand names.
Naltrexone Claims
Naltrexone for weight loss proponents claim that can reduce cravings and addictive behaviors around food and lead to significant weight loss. It’s said to work when used with a healthy diet and exercise to help you achieve and maintain a healthy weight.
Naltrexone Ingredients
The active ingredient in Naltrexone is naltrexone hydrochloride. It comes in tablet and extended-release injectable forms. This works by blocking the brain which is supposed to reduce cravings and addictive behaviors.
How Does Naltrexone Work?
Naltrexone binds to receptors in the brain and blocks the euphoric and sedative effects of alcohol. For weight loss, it’s supposed to modulate the reward system around food intake and reduce cravings and potentially lead to weight loss. It’s often used to target different pathways of hunger and satiety.
Pros of Naltrexone
- Reduces Cravings: May reduce cravings for high-calorie foods.
- Behavioral Changes: Supports behavioral changes for long-term weight loss.
- Combination Therapy: Used with other added effects.
Cons of Naltrexone
- Off-Label Use: Not approved for weight loss so not covered by insurance.
- Side Effects: This can cause a range of side effects from nausea to serious reactions.
- Limited Research: More research is needed to know its effectiveness and safety for weight loss.
What Do Users Say About Naltrexone?
Some users report severe side effects like nausea, headaches, dizziness, and fatigue. Others say this didn’t work for weight loss and are frustrated with no results. Since it’s off-label for weight loss some users are unsure of the long-term safety and effectiveness.
Results of Naltrexone
Results will vary. Some people lose weight and reduce cravings while others see little to no change. Success with Naltrexone for weight loss depends on following a complete weight loss plan including diet and exercise.
Where to Buy Naltrexone?
Naltrexone is a prescription and can be bought from pharmacies with a doctor’s prescription. You must consult with a doctor to see if Naltrexone is right for your weight loss goals and to get a prescription.
Is Naltrexone a Scam?
Naltrexone is a real approved for alcohol dependence. Its use for weight loss is off-label but not a scam. However, since it’s off-label it should be used under a doctor’s guidance.
Side Effects of Naltrexone
Common side effects of Naltrexone are nausea, headaches, dizziness, fatigue, and insomnia. Serious side effects can occur and should be reported to a doctor immediately. You must talk to a doctor before starting the medication.
Conclusion: Naltrexone Weight Loss
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What to Avoid When Taking Naltrexone?
Booze and Opioids: Since Naltrexone is an opioid antagonist, it blocks opioids and reduces cravings for booze. Don’t drink booze or any opioid-containing meds, as they can cause severe withdrawal and reduce the effectiveness of Naltrexone.
Other Meds: Tell your doctor about all meds you’re taking, including over-the-counter and supplements. Some meds can interact with Naltrexone and cause side effects or reduce its effectiveness.
High Fat Meals: Not necessary but some studies show high fat meals can affect Naltrexone absorption. Maybe best to avoid big high-fat meals when taking this med.
Driving and Machinery: Naltrexone can cause dizziness and impair your ability to operate machinery or drive. Avoid until you know how the med affects you.
Non-Prescribed Opioids: Don’t use non-prescribed opioids for pain or recreational use. Using opioids while on Naltrexone is dangerous and can cause severe withdrawal.
How Does Naltrexone Work for Weight Loss?
Naltrexone works for weight loss through:
Cravings Reduction: Naltrexone is an opioid antagonist, it blocks opioid receptors in the brain. This reduces the pleasure associated with eating, especially high-fat and sugary foods, and helps to curb cravings and reduce overall caloric intake.
Appetite Suppression: By affecting the brain’s reward system, Naltrexone suppresses appetite. When combined with Bupropion (as in Contrave) it enhances the feeling of fullness and decreases the desire to eat.
Combination Therapy: In Contrave, Naltrexone is combined with Bupropion, an antidepressant that also helps with weight loss. Bupropion works by affecting neurotransmitters like dopamine and norepinephrine which are involved in appetite regulation and energy expenditure.
Behavioral Impact: Naltrexone’s effect on the brain’s reward system can change eating behaviors, making it easier to stick to a healthy diet and exercise routine. This behavioral change is key to long-term weight loss and maintenance.
