Robbie Williams believes the weight-loss injections he’s been taking are damaging his vision.
The 51-year-old singer, known for his candidness, says his eyesight has grown steadily more blurred since starting Mounjaro, raising major concerns even during live performances.
Williams revealed that over recent months, his ability to see clearly has significantly deteriorated. He says his once-sharp vision has become hazy, and he now blames the Mounjaro injections.
He first realised the severity of the problem at an American football game, where he couldn’t make out individual players on the field – they appeared as mere “shapes on the field.”
When performing, his difficulty is even more personal. During one of his concerts, while singing “She’s The One” directly to a fan, he admitted he can barely make out her face.
Williams not just sharing his own experience – he’s urging others to do their homework. “I want to warn people reading this of the potential risks, to make sure they do their research,” he told The Sun, and he regrets not linking the worsening blur to his Mounjaro use sooner.
Despite the concerns, he’s not quitting the injections. In fact, he joked that he might continue “until the sight in one eye has completely gone.”
Mind and body: The trade-offs
Willaims emphasised that the benefits of the injections have not been purely physical. He credits Mounjaro with easing a long-standing battle with mental anguish.
Williams concerns are not isolated. Recent medical studies have raised an association between semaglutide – the class of drug used in some weight-loss injections, including Mounjaro – and a rare eye condition called non-arteritic anterior ischaemic optic neuropathy (NAION).
In one major study, patients on semaglutide showed a higher risk of NAION compared to those on other medications, though the overall risk was still considered low.
Regulators are taking note. The European Medicines Agency (EMA) has updated the product information for semaglutide medicines to include NAION as a “very rare” side-effect, affecting up to about 1 in 10,000 users.
The World Health Organization (WHO) has also issued a safety alert, advising that anyone experiencing sudden loss or rapid worsening of vision while on semaglutide should consult a doctor immediately.
As a global pop icon, Robbie Williams has a powerful platform. His decision to speak out publicly about a possible side-effect of a popular weight-loss trend underscores just how serious the issue may be.
For fans and the general public, his message is simple but urgent: these “miracle” treatments may have risks that aren’t being discussed enough. If nothing else, he’s asking people to think first, get informed, and monitor their bodies closely.
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