‘Most people take it without…’: Longevity doctor explains the risks of blindly taking vitamin D supplements, suggests what to do instead

Vitamin D is often seen as a simple fix for stronger bones, better immunity, and improved mood. But according to longevity doctor Dr Vass, supplementing without guidance may do more harm than good.

“Too much vitamin D can backfire,” he cautioned in a recent post. “Vitamin D insufficiency is everywhere. But should you actually supplement? Vitamin D is critical for bone strength , immune health, and hormone balance.” He explained that while many people take it routinely, few actually test their levels first. “Most people take it blindly without ever checking their levels. And yes, insufficiency is common.”

What most don’t realise, he added, is that excess vitamin D can have serious consequences. “Too much vitamin D can backfire, causing calcium buildup that can damage your arteries and