Weight loss injections have gained huge popularity as a modern approach to shedding excess pounds, especially for individuals struggling with obesity or those who have not achieved desired results through diet and exercise alone. But how effective are these injections, and what should you know before considering them? This guide explores the different types of weight loss injections, their effectiveness, benefits, and potential risks.
What Are Weight Loss Injections?
Weight loss injections are medications administered via injection that aim to help individuals lose weight by affecting appetite, metabolism, or the way the body absorbs nutrients. They are often prescribed as part of a broader weight management plan that includes diet, exercise, and behavioral changes. The most commonly used weight loss injections include:
-
Mounjaro (Tirzepatide). Mounjaro activates the actions of 2 natural substances in your body, called glucose-dependent insulinotrophic polypeptide (GIP) and glucagon-like peptide-1 (GLP-1). Mounjaro primarily works by regulating your appetite, giving you a sense of satiety (‘fullness’), making you feel less hungry and experience less food cravings. Injected once weekly.
-
Wegovy (Semaglutide): Another GLP-1 receptor agonist, similar to Saxenda but with a longer action duration and higher potency. Injected once weekly.
-
Saxenda (Liraglutide): A GLP-1 receptor agonist that mimics a hormone involved in regulating appetite and food intake. Injected once daily.
How Do Weight Loss Injections Work?
Weight loss injections primarily function through three mechanisms:
-
Appetite Suppression: Medications like Mounjaro and Wegovy work by mimicking the GLP-1 hormone, which targets areas of the brain that regulate hunger, helping to reduce appetite and food cravings.
-
Slowed Gastric Emptying: These drugs slow down the emptying of the stomach, which increases feelings of fullness and reduces overall calorie intake.
-
Regulating Fat Utilisation.
Effectiveness of Weight Loss Injections
The effectiveness of weight loss injections can vary depending on the specific medication, dosage, and individual factors such as adherence to a healthy lifestyle. Here’s a closer look at the results reported by some of the most popular options:
-
Mounjaro (Tirzepetide)
-
Clinical Results: In one clinical trial, people who took the highest maintenance dose of Mounjaro (15 mg once a week) lost up to 22.5% of their body weight over 72 weeks.
-
Effectiveness: Mounjaro is currently one of the most effective injectable medications for weight loss, with many patients experiencing significant improvements in weight-related health markers.
-
-
Wegovy (Semaglutide)
-
Clinical Results: Wegovy has demonstrated even more impressive results, with studies showing an average weight loss of around 15% of body weight over 68 weeks.
-
Effectiveness: It is particularly effective for individuals with obesity or those with weight-related medical conditions like type 2 diabetes.
-
Benefits of Weight Loss Injections
-
Sustainable Weight Loss: When combined with lifestyle changes, injections like Wegovy and Mounjaro provide substantial weight loss that can be maintained long-term.
-
Improved Health Outcomes: Effective weight loss can reduce the risk of obesity-related conditions such as type 2 diabetes, heart disease, and hypertension.
-
Convenience: Unlike daily pills, many injections are administered weekly or even less frequently, making adherence easier for some individuals.
-
Appetite Control: These injections help control cravings and reduce portions, making dietary adherence easier.
Potential Side Effects and Risks
While weight loss injections can be effective, they are not without risks. Common side effects include:
-
Nausea and Gastrointestinal Issues: These are the most frequently reported side effects, especially during the initial weeks of treatment.
-
Injection Site Reactions: Redness, swelling, or pain at the injection site can occur.
-
Pancreatitis: Rare but serious inflammation of the pancreas has been reported with GLP-1 agonists.
-
Gallbladder Problems: Increased risk of gallstones or gallbladder inflammation.
-
Cost: These treatments can be expensive, especially if not covered by insurance, and require ongoing administration to maintain results.
Who Are Ideal Candidates?
Weight loss injections are generally recommended for:
-
Adults with a BMI of 30 or higher (obesity).
-
Adults with a BMI of 27 or higher with at least one weight-related condition, such as type 2 diabetes or hypertension.
-
Individuals committed to making lifestyle changes, including diet and exercise.
Conclusion
Weight loss injections can be highly effective, particularly for individuals struggling with obesity or weight-related health issues. Medications like Mounjaro and Wegovy have shown impressive results in clinical trials, offering a promising option for sustainable weight loss when combined with lifestyle changes. However, they are not a magic solution and must be used under medical supervision to monitor side effects and ensure the best outcomes.
Before starting any weight loss injection, consult with a healthcare provider to determine the most suitable option based on your individual health needs, weight loss goals, and potential risks. Remember, these treatments work best as part of a comprehensive approach that includes healthy eating, regular exercise, and ongoing support.
Aeternum Aesthetics is a CQC registered weight loss clinic. Our team of Medical Practitioners are trained to prescribe and guide your weight loss journey. Contact us to arrange an initial consultation.