Walk into any gym today, and you’ll see the same ritual — scoop, shake, sip. But what if that post-workout shake came with a dose of lead? A new investigation by Consumer Reports has found that two-thirds of popular protein powders contain toxic levels of heavy metals. Plant-based powders are the worst offenders — some containing nine times more lead than dairy-based ones. So, what does that mean for you? Palki Sharma tells you.