New study finds a common supplement ingredient for cognitive enhancement may lead to a shorter lifespan

A common supplement ingredient may have some unwanted side effects. While many high performers use L-tyrosine to manage stress and improve their memory, new data suggests that they may be harming their long-term health by doing so. A new study found that men with higher levels of tyrosine, which is commonly used to enhance cognitive function, had a shorter lifespan, raising questions about the efficacy of popular dietary supplements, including ashwagandha and lion’s mane mushroom. ...