Health and Me

Ishita Srivastava

What Happens When You Stop Using Weight Loss Injections?

People who stop using weight-loss medications can regain weight and return their original size within two years, a new BMJ study says. 

Researchers have found that those who lose weight using blockbuster GLP-1 drugs such as Ozempic could regain about 0.4kg every month after quitting these treatments. In contrast, those who lost weight through exercise, diet and other factors only gained 0.1kg. 

Investigator Dr Susan Jebb, from Oxford University told the <a href="https://www.bbc.com/news/articles/c050ljnrv2qo" data-type="tilCustomLink" target="_blank" rel="noopener nofollow noreferrer" rel= "noopener nofollow noreferrer" target= "_blank">BBC</a>, "People buying these need to be aware of the risk of fast weight regain when the treatment ends."

Ozempic (semaglutide) is a prescription injectable GLP-1 medication primarily approved for adults with Type 2 diabetes to manage blood sugar levels. However, the drug has gained immense popularity among those trying to lose weight as it can reduce hunger and help people feel full for longer, which forces the body to burn fat deposits to stay functional.

In clinical trials, people with obesity using semaglutide have shown to lose an average of about 15% of their body weight over 68 weeks. Most people begin to see noticeable results within 8 to 12 weeks of taking the drug.

The official price in India for a once-weekly Ozempic injection pen ranges from approximately ₹8,800 for the 0.25 mg dose to around ₹11,175 for the 1 mg dose per month. Insurance coverage is generally inconsistent for weight loss indications.

The researchers analyzed 37 studies that included 9,341 participants out of which nearly half had taken had taken GLP-1 medications. This included 1,776 people who received the newer, more effective drugs semaglutide, sold as Ozempic and ‌Wegovy by Novo Nordisk , and tirzepatide, sold ‌as Mounjaro and Zepbound by Eli Lilly.

Apart from discovering that patients could regain all their weight in 1.7 years, the scientists also found that those who lost weight using semaglutide ‍and tirzepatide, cwould gain 0.8 kg per month.

Dimitrios Koutoukidis, Oxford University researcher and senior study author, “But because people on semaglutide or tirzepatide lose more weight ‍in the first place, they all end up returning to baseline at approximately the same time". 

Heart health risk factors, such as blood pressure and cholesterol levels, that benefited ⁠from the drugs were projected to return to pre-treatment levels within 1.4 years after stopping the medications. 

Dr Adam Collins, an expert in nutrition at the University of Surrey, told the BBC that when the body stops receiving a regular dose of appetite suppressants such as GLP-1 drugs, hunger returns and can lead to overeating. 

He told the publication, "Artificially providing GLP-1 levels several times higher than normal over a long period may cause you to produce less of your own natural GLP-1, and may also make you less sensitive to its effects.

"That's not a problem when taking the drugs, but as soon as you withdraw this GLP-1 'fix', appetite is no longer kept in check and overeating is far more likely.

"This is further exacerbated if the individual in question has relied solely on GLP-1 to do the heavy lifting... artificially suppressing their appetite without them establishing any dietary or behavioural changes that would help them in the long run."

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People who stop using weight-loss medications can regain weight and return their original size within two years, a new BMJ study says. Researchers have found that those who lose weight using blockbuster GLP-1 drugs such as Ozempic could regain about 0.4kg every month after quitting these treatments. In contrast, those who lost weight through exercise, diet and other factors only gained 0.1kg. Investigator Dr Susan Jebb, from Oxford University told the BBC, "People buying these need to be aware of the risk of fast weight regain when the treatment ends."Ozempic (semaglutide) is a prescription injectable GLP-1 medication primarily approved for adults with Type 2 diabetes to manage blood sugar levels. However, the drug has gained immense popularity among those trying to lose weight as it can reduce hunger and help people feel full for longer, which forces the body to burn fat deposits to stay functional.In clinical trials, people with obesity using semaglutide have shown to lose an average of about 15% of their body weight over 68 weeks. Most people begin to see noticeable results within 8 to 12 weeks of taking the drug.The official price in India for a once-weekly Ozempic injection pen ranges from approximately ₹8,800 for the 0.25 mg dose to around ₹11,175 for the 1 mg dose per month. Insurance coverage is generally inconsistent for weight loss indications.What Did The Study Find?The researchers analyzed 37 studies that included 9,341 participants out of which nearly half had taken had taken GLP-1 medications. This included 1,776 people who received the newer, more effective drugs semaglutide, sold as Ozempic and ‌Wegovy by Novo Nordisk , and tirzepatide, sold ‌as Mounjaro and Zepbound by Eli Lilly.Apart from discovering that patients could regain all their weight in 1.7 years, the scientists also found that those who lost weight using semaglutide ‍and tirzepatide, cwould gain 0.8 kg per month.Dimitrios Koutoukidis, Oxford University researcher and senior study author, “But because people on semaglutide or tirzepatide lose more weight ‍in the first place, they all end up returning to baseline at approximately the same time". Heart health risk factors, such as blood pressure and cholesterol levels, that benefited ⁠from the drugs were projected to return to pre-treatment levels within 1.4 years after stopping the medications. Why Does The Weight Come Back?Dr Adam Collins, an expert in nutrition at the University of Surrey, told the BBC that when the body stops receiving a regular dose of appetite suppressants such as GLP-1 drugs, hunger returns and can lead to overeating. He told the publication, "Artificially providing GLP-1 levels several times higher than normal over a long period may cause you to produce less of your own natural GLP-1, and may also make you less sensitive to its effects."That's not a problem when taking the drugs, but as soon as you withdraw this GLP-1 'fix', appetite is no longer kept in check and overeating is far more likely."This is further exacerbated if the individual in question has relied solely on GLP-1 to do the heavy lifting... artificially suppressing their appetite without them establishing any dietary or behavioural changes that would help them in the long run."