New Delhi, March 18 -- In the past few years, magnesium has evolved from a humble mineral into a wellness industry sensation. On TikTok, influencers tout its sleep-enhancing properties. High-end supplements-some priced at over Rs. 4000 a bottle-promise everything from improved mood to faster metabolism. Beauty brands infuse it into bath salts and face creams, claiming it can soothe stress and rejuvenate skin. But how much of this is rooted in science, and how much is just savvy marketing?

Magnesium is more than just a trendy supplement-it is a fundamental mineral involved in over 300 biochemical processes in the body. "It regulates muscle contractions, nerve function, and energy production," says Tanya Khanna, nutritionist and yoga train...