Supplements can be a great way to support overall health, especially when it comes to brain function. Certain supplements are known for boosting memory, focus, and cognitive health. However, not all supplements are harmless—taking excessively high doses of certain nutrients can actually harm your brain and lead to cognitive issues over time.
@robertwblove Beware of These Three Supplements, because high doses can hurt your brain. #supplements #vitamins #overdose #brain #memory #aging #health #wellness #iron #copper #zinc #magnganese #robertlove #robertwblove original sound – Robert Love
Robert Love, a neuroscientist who has over 2M followers on TikTok, shared the three supplements to “beware” of because they can “hurt your brain.” He revealed that if taken in high doses, iron, copper, and manganese are the ones that can hurt your brain health. Read on to learn more.
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Iron
Love says that a lot of people take iron supplements, but the truth is they don't really need it.
"High levels of iron can lead to memory loss as well as loss of cognition. And iron in excess actually increases aging," he reveals.
Love says that unless you've undergone a blood test that shows significant low levels of iron in your body, "you probably don't need iron supplements." However, this supplement can benefit those who are on a vegan diet, he notes.
READ MORE: A Neuroscientist Shares The 5 Best Supplements That Can Help 'Grow New Brain Cells': Omega-3, More
Copper
Taking copper supplements in excess can negatively affect your brain due to copper’s role in oxidative stress and its impact on brain health.
Love says that high levels of copper “actually increase free radicals, and this can cause oxidative stress and damage in your brain.”
Instead, he says to make sure you're taking plenty of zinc, either in a supplement form or food. "Zinc counteracts the free radicals of copper, and that helps protect your brain," he explains.
Manganese
While essential for various bodily functions, experts say that high levels of manganese can lead to symptoms similar to Parkinson's disease, such as tremors, difficulty walking, and muscle rigidity.
Love agrees and adds that "according to the National Institute of Health, the upper limit for manganese is 11 milligrams a day for healthy adults," adding that it’s important "you stay well below that level."
