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Weight-loss drugs have soared in popularity, with medications like Wegovy providing impressive results for those with diabetes, insulin resistance, or obesity. However, one potential side effect that has raised concerns is unintended muscle loss. While muscle wasting is not a unique side effect of Wegovy, rapid weight loss can lead to a decrease in muscle mass, bone density, and metabolic rate, resulting in a condition called sarcopenia. To mitigate muscle loss while taking Wegovy, lifestyle changes such as increasing protein intake, strength training, and adequate sleep are recommended.
| Characteristics | Values |
|---|---|
| Does Wegovy cause muscle wasting? | Yes, it is a possible side effect. |
| How much muscle is lost? | Up to 40% of weight lost on Wegovy may be from lean mass. |
| What is lean mass? | Lean mass includes muscle, bone, organs, and water. |
| How to prevent muscle loss on Wegovy? | Consume adequate protein, perform strength training, and get optimal sleep. |
| Is muscle loss common with weight loss? | Yes, muscle loss is common when losing a substantial amount of weight, regardless of the method used. |
| Is muscle loss a bad thing? | Excessive muscle loss can be problematic as it may reduce stamina and negatively affect quality of life. |
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What You'll Learn
How to prevent muscle wasting on Wegovy
Weight-loss drugs like Wegovy can lead to a significant loss of weight, but they can also result in muscle wasting. However, this muscle loss is preventable.
Firstly, it is important to note that muscle loss is common anytime you lose a substantial amount of weight, regardless of the weight-loss tool being used. Therefore, it is recommended to focus on slow-and-steady weight loss. While most people want to lose weight as quickly as possible, it is better for your body, bones and muscles to lose small amounts of weight over a longer period of time. Crash diets or low-calorie diets can lead to more rapid loss in the short term but can be harmful in the long run.
Secondly, making sure you are getting the adequate amount of protein will help preserve lean muscle. Aim for 20-40 grams of protein in each of your main meals, including breakfast. Good sources of protein include yoghurt, other dairy products, eggs, meat, fish, seafood, tofu, and tempeh.
Thirdly, exercising for at least 30 minutes a day, 3-4 times a week helps you maintain both muscle and bone. You can also try to snack on exercise throughout the day to kickstart your resistance training habit by doing push-ups while the kettle boils and squats while you cook.
Finally, healthy, restorative, and consistent sleep patterns impact various hormones involved in body weight regulation and muscle strength, such as cortisol and growth hormone. Therefore, aim for 7-9 hours of sleep each night.
In summary, to prevent muscle wasting on Wegovy, focus on slow and steady weight loss, eat enough protein, exercise regularly, and get adequate sleep.
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The side effects of Wegovy
Wegovy is a weight-loss medication approved for adults and children 12 years of age and older who are obese or overweight and have weight-related issues such as high blood pressure or high cholesterol. It is a black triangle drug, which means it is under careful monitoring and all side effects should be reported to a doctor. The side effects of Wegovy are usually most bothersome when you first start taking the medication or when you increase your dose.
The most common side effects of Wegovy are nausea, vomiting, diarrhoea, constipation, stomach pain, headaches, and feelings of weakness or tiredness. These side effects are usually mild and short-lived, lasting a few days to weeks on average. They may get worse in the days following an increase in your weekly injection dosage. Nausea is the most common side effect, reported by 44% of Wegovy users. It typically occurs when starting the medication or increasing the dosage and is caused by Wegovy slowing down the stomach's emptying process, which can cause feelings of fullness and discomfort. Diarrhea occurs in 30% of people on Wegovy, compared to 16% of people on a placebo.
Some less common side effects are more serious, such as bloating, heartburn, and depression or suicidal thoughts and behavior. Depression and suicidal thoughts have been reported in clinical trials, and as a result, those with a history of suicidal attempts or active suicidal ideation should not take Wegovy. Other less common side effects, occurring in less than 10% of people, include dizziness and light-headedness, which may be linked to the medication's effect on lowering blood glucose levels.
In addition, weight-loss medications like Wegovy can cause a rapid loss of muscle mass and bone density unless lifestyle changes are made. A recent study showed that those taking Wegovy lost on average 60% fat and 39% muscle mass. However, much of the lean mass lost during weight loss may not come directly from lean tissues like bone and muscle. Research has shown that most, if not all, of the lean tissue lost during weight loss may be non-fat lean tissues like water found in fat cells. To prevent muscle loss, it is recommended to eat enough calories and protein, perform strength training 1-2 times a week, and get 7-9 hours of sleep per night.
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The benefits of Wegovy
While weight-loss medications like Wegovy can help people lose weight quickly, they can also cause muscle wasting if not used correctly. However, this can be prevented by making certain lifestyle changes, such as consuming adequate protein and exercising regularly.
Wegovy is a weight loss medicine that was approved by the FDA in 2021 to help people who are overweight or obese lose weight and maintain that weight loss. Wegovy is a GLP-1 agonist that works by activating a protein called GLP-1, which stimulates the production of insulin and reduces appetite.
- Weight loss: Wegovy is primarily used as a weight loss medication. It helps reduce excess body weight by controlling appetite and slowing the movement of food through the stomach, making people feel full faster and for longer after eating.
- Improved heart health: Wegovy has been shown to reduce the risk of cardiovascular issues such as cardiovascular death, heart attack, and stroke in adults with cardiovascular disease and either obesity or overweight. It can also lower the risk of heart-related issues in people with type 2 diabetes and chronic kidney disease.
- Reduced risk of other health conditions: In addition to treating diabetes and obesity, Wegovy may help reduce the risk of several other health conditions, such as kidney disease and cognitive decline.
- Blood sugar control: Wegovy can help lower blood sugar levels, which is especially beneficial for people with diabetes.
- Silencing food-related thoughts: Wegovy can help reduce cravings and silence food-related thoughts, giving people a boost of confidence as they see immediate weight loss results.
It is important to note that while Wegovy can be an effective tool for weight loss and improving health, it should be used under the supervision of a medical expert and in conjunction with healthy lifestyle changes, such as a well-balanced diet and regular exercise.
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The science behind muscle wasting
Muscle wasting, or muscle atrophy, is the wasting or thinning of muscle mass. It can be caused by the disuse of muscles or neurogenic conditions. Symptoms include a decrease in muscle mass, one limb being smaller than the other, and numbness, weakness and tingling in the limbs.
Disuse atrophy occurs when muscles are not used enough, leading to a decrease in size and strength. This can be caused by a sedentary lifestyle, malnutrition, old age, or certain medical conditions such as muscular dystrophy or Charcot-Marie-Tooth disease. Neurogenic atrophy, on the other hand, is caused by nerve problems or injuries that prevent the triggering of muscle contractions and stimulation of muscle activity.
Age-related muscle loss, called sarcopenia, is a natural part of the ageing process. It typically begins around the age of 30 and progresses with age, with muscle loss becoming more noticeable around age 60. Sarcopenia can be characterised by a loss of strength and muscle mass, making it difficult to perform basic daily activities. The risk factors for sarcopenia include inactivity, a poor diet, and chronic disease.
To prevent muscle wasting, it is important to maintain a healthy and active lifestyle. This includes consuming an adequate amount of protein, exercising regularly, and staying hydrated. For those taking weight-loss medications, such as Wegovy, it is crucial to make lifestyle changes to prevent rapid muscle loss. This can be achieved by increasing protein intake, incorporating strength and resistance training, and ensuring proper supervision and support from medical and nutrition experts.
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Other weight loss drugs that preserve muscle
Weight loss drugs like Ozempic, Wegovy, and Mounjaro can lead to rapid weight loss, but they can also cause a loss of muscle mass and bone density. However, there are ways to mitigate muscle loss, such as consuming a protein-rich diet and engaging in regular exercise or strength training. Some sources suggest that a moderate increase in protein consumption can help preserve muscle mass during weight loss.
Several companies are currently developing weight-loss drugs that preserve or grow muscle while reducing fat. These drugs aim to address the concerns associated with existing weight-loss medications that cause a decline in muscle mass. For instance, in trials of Wegovy, up to 40% of weight loss was from a decrease in lean or fat-free mass, which some doctors find concerning.
One such drug is bimagrumab, developed by Eli Lilly. It is being tested alone and in combination with Zepbound, and will also be studied alongside Novo's Wegovy. Bimagrumab targets the myostatin protein associated with muscle growth. Another drug, enobosarm, developed by Veru, has shown promising results in helping older patients retain their strength and climb stairs, a benefit acknowledged by the FDA.
While these new drugs show potential, it is important to note that they are still in the testing and development phase and are a few years away from possible approval. In the meantime, individuals taking weight-loss drugs should prioritize muscle preservation through adequate protein intake and regular exercise to mitigate the potential loss of muscle mass.
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Frequently asked questions
Weight-loss drugs like Wegovy can lead to muscle wasting or muscle loss. However, this is not unique to the drug or the GLP-1 agonist drug class. Muscle wasting is common anytime you lose a substantial amount of weight, regardless of the weight-loss tool being used.
According to data from two randomised controlled trials, up to 40% of the weight lost on Wegovy may be from lean mass. However, the average proportion of lean mass to total body weight in the participants actually increased after they lost weight.
To prevent muscle wasting, it is recommended to eat enough calories and protein, perform strength training 1-2 times a week, and aim for 7-9 hours of sleep a night.
