Cardiologist Warns Ozempic Weight Loss Isn't Always Healthy, Highlights Hidden GLP-1 Risk

As GLP-1 receptor agonist medications such as Ozempic continue to gain popularity for weight management, a US-based cardiologist has cautioned that rapid weight loss achieved through these drugs may not always translate into better health. Dr Sanjay Bhojraj, an interventional cardiologist with more than 20 years of clinical experience, has urged patients to focus on preserving muscle mass and adopting sustainable lifestyle habits rather than relying solely on medication to lose weight.

In a detailed post shared on Instagram on June 19, Dr Bhojraj argued that many people mistakenly equate eating less with becoming healthier. While acknowledging that GLP-1 medications are highly effective at suppressing appetite and supporting weight loss, he warned that inadequate nutrition and a lack of physical activity could undermine long-term health outcomes. "Not all weight loss on GLP-1 medications is healthy weight loss," he wrote, adding that one of the biggest misconceptions is believing that reduced food intake automatically leads to improved health.

According to Dr Bhojraj, patients using medications such as semaglutide—the active ingredient in Ozempic and Wegovy—or the experimental drug retatrutide should pay close attention to their overall nutrition and exercise routines. He cautioned that consuming too little protein, avoiding strength training and neglecting digestive health while losing weight could result in significant muscle loss rather than fat reduction. "If you're losing weight while barely eating protein, not strength training, ignoring digestion, losing muscle, and never building the habits that keep the weight off later... that's not a long-term plan," he said.

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Health experts have increasingly highlighted the importance of preserving lean muscle mass during weight loss, as muscle plays a crucial role in metabolism, physical strength and overall health. Resistance training, adequate protein intake and balanced nutrition are widely recommended alongside medical treatment to help minimise muscle loss and support sustainable weight management. Without these measures, rapid weight loss may lead to reduced physical function and make it more difficult to maintain results over time.

GLP-1 receptor agonists were originally developed to help manage type 2 diabetes by improving blood sugar control, but they have since become widely prescribed for obesity because of their ability to reduce appetite and promote significant weight loss. Their growing popularity has sparked widespread discussion among healthcare professionals regarding the importance of combining medication with long-term lifestyle changes, including regular exercise and healthy eating habits.

Dr Bhojraj's remarks add to the ongoing conversation about the responsible use of weight-loss medications. While GLP-1 drugs have demonstrated significant benefits for many patients when prescribed appropriately, experts continue to emphasise that they are most effective as part of a comprehensive treatment plan that includes medical supervision, balanced nutrition, strength training and behavioural changes aimed at maintaining both weight loss and overall health.

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