A chilling echo of the past is surfacing in modern medicine. Researchers are now investigating a potential link between popular weight-loss medications and a disease once synonymous with desperate sailors: scurvy.
Scurvy, historically known as the “pirate disease,” plagued seafaring explorers deprived of fresh fruits and vegetables during long voyages. It’s caused by a severe lack of vitamin C, and if left unchecked, the consequences are devastating.
Symptoms begin subtly, with anemia and fatigue, but quickly escalate. Loose teeth, bleeding gums, and skin that bruises easily are early warning signs. Eventually, wounds fail to heal, and even old scars can reopen.
Recent research from the Hunter Medical Research Institute in Australia suggests a concerning trend among users of GLP-1 medications. While these drugs are effective for weight loss, clinical trials have largely overlooked a critical detail: what patients are actually eating.
“A reduction in body weight does not automatically mean the person is well-nourished or healthy,” explains Clare Collins, a leading nutrition expert. The focus has been on the numbers on the scale, not the nutritional quality of the diet supporting that loss.
These medications powerfully suppress appetite, leading to reduced food intake. While this drives weight loss, it simultaneously increases the risk of deficiencies in essential proteins, fiber, vitamins, and minerals if dietary habits aren’t carefully monitored.
The case of British pop singer Robbie Williams serves as a stark warning. Diagnosed with scurvy in 2025, he attributed his symptoms to taking a medication similar to Ozempic, highlighting the real-world implications of these findings.
However, scurvy is just one potential consequence. Nutrient deficiencies are diverse and can manifest in a variety of ways, impacting overall health and wellbeing. The challenge lies in recognizing these deficiencies, as early symptoms often mimic the side effects of the medications themselves.
Fatigue, nausea, and poor appetite – common side effects of GLP-1 drugs – can mask the subtle signs of a developing nutritional deficit, making early detection incredibly difficult.
Experts strongly recommend seeking guidance from a registered dietitian. Accurately assessing nutrient intake is complex, and personalized support is crucial to prevent deficiencies and ensure optimal health while using these medications.
The call for change extends to future clinical trials. Researchers advocate for the inclusion of comprehensive dietary assessments and transparent reporting of food and nutrient intake data.
This shift in focus is vital to improve health outcomes, support long-term adherence, and ultimately, safeguard against the risk of malnutrition in individuals prescribed these increasingly popular medications.
Greater attention to nutrition during prescription is paramount. Ignoring this critical aspect could lead to a resurgence of deficiencies thought to be relics of the past.