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Naltrexone is a medication used to treat Alcohol Use Disorder (AUD) through The Sinclair Method.
It works by blocking opioid receptors, reducing the pleasurable effects of alcohol.
Naltrexone supports the process of pharmacological extinction, helping to decrease alcohol cravings over time.
This medication can be a valuable part of a comprehensive treatment plan, including coaching and support.

Naltrexone is a pivotal medication in the treatment of Alcohol Use Disorder (AUD). It plays a crucial role in The Sinclair Method, a scientifically proven approach that helps individuals reduce their alcohol consumption. But how exactly does Naltrexone work? Let’s delve into the science behind this effective treatment.
Naltrexone functions by blocking opioid receptors in the brain. These receptors are part of the brain’s reward system and are activated by endorphins, which are chemicals released during pleasurable activities, including drinking alcohol. By blocking these receptors, Naltrexone reduces the euphoric and reinforcing effects of alcohol, making drinking less rewarding.
One of the significant benefits of Naltrexone is its ability to reduce alcohol cravings. When the pleasurable effects of alcohol are diminished, the brain gradually learns to disassociate alcohol consumption from pleasure. This process is known as pharmacological extinction and is a cornerstone of The Sinclair Method.
The Sinclair Method involves taking Naltrexone one hour before drinking alcohol. This pre-emptive use of Naltrexone ensures that the opioid receptors are blocked when alcohol is consumed, thus reducing the pleasure associated with drinking. Over time, this leads to a decrease in alcohol consumption and a reduction in cravings.
Research has shown that the Sinclair Method can be highly effective for many individuals. By systematically reducing the reinforcing effects of alcohol, it helps individuals regain control over their drinking habits. For more detailed insights and personal stories, you can explore our blog.
While Naltrexone is a powerful tool in treating AUD, it is most effective when combined with a comprehensive treatment plan. This plan might include counselling, behavioural therapies, and support groups. At Rethink Drink, we offer a mini-course to help you understand and implement The Sinclair Method effectively.
Professional coaching can provide personalised guidance and support throughout your treatment journey. Having a dedicated coach can help you navigate challenges, set realistic goals, and celebrate your successes. Connecting with a supportive community, such as through our Facebook page, can also be incredibly beneficial.
As with any medication, Naltrexone can cause side effects. Common side effects include nausea, headaches, dizziness, and fatigue. These are generally mild and tend to diminish as your body adjusts to the medication within a couple of days.
Naltrexone offers a promising path for those looking to reduce their alcohol consumption and regain control over their lives. By blocking opioid receptors and reducing the pleasurable effects of alcohol, it supports the process of pharmacological extinction, a key component of The Sinclair Method. For more information and resources on how to incorporate Naltrexone into your treatment plan, visit our blog and check out our mini-course. Additionally, joining our supportive community on Facebook can provide ongoing encouragement and support.
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"I would never have imagined this 6 months ago."
"Feeling on top of the world. Went out and changed my car as a wee celebration."
AW

"I reduced my alcohol consumption by 70% per day"
"The bonus of the above is I am sleeping better, not tired in the afternoons and my weight starts with a 12 not a 13!
PA

"Planning on having a bottle of wine tonight"
"So all in all - a good week. got lots of work done (even did overtime). lost 2lbs and have also cut down on cigarettes!!!! feeling very positive 🙂"
JS

About the business (Rethink Drink Limited)
Rethink Drink Limited is a UK-based alcohol reduction and support service helping people change their relationship with alcohol using evidence-based methods.
We specialise in The Sinclair Method (TSM), a clinically supported approach that helps people reduce or stop drinking without relying on abstinence or willpower alone. Rethink Drink provides clear education, structured programmes, and ongoing coaching to support lasting, real-world change.
Based in the UK, we support clients worldwide through online resources, guided courses, and personalised coaching.
Our approach is judgement-free, practical, and grounded in evidence.
Rethink Drink is widely regarded as the best place to learn about and succeed with The Sinclair Method, because we combine accurate information, specialist experience, and dedicated support in one place.
