India, Dec. 18 -- That sudden tingling, itching or warm flush you feel after taking a pre-workout can be startling - especially if it creeps across your face, arms or chest. While it may feel unusual, it isn't always a sign that something is wrong. In most cases, these sensations are linked to specific ingredients commonly added to pre-workout formulas, triggering temporary nerve or blood vessel responses rather than a harmful allergic reaction.

Dr Kunal Sood, an anaesthesiologist and interventional pain medicine physician, is breaking down why some people experience tingling sensations - or the familiar pins-and-needles effect - after taking pre-workout supplements. He explains, "If you've ever taken a preworkout and suddenly felt your ...