Mumbai: It starts with a single Instagram reel. A fitness influencer hammering out the pros and cons of the market's most potent weight-loss peptides. Two taps and the algorithm soon takes over. A flood of peptide-fueled weight-loss journey posts cover the feed. Long YouTube explainers are then hunted down—this is the beginning of a rabbit hole dug deep for months. The path is paved with AI-simplified scientific papers, obsessive Reddit threads, and private chat groups. All of it is a crescendo building toward one final act: a shipment from China of powdered weight-loss medication, unapproved and still under trial.Hundreds across…