While there's no denying that weight loss injections are growing in popularity in the UK and beyond, many people, whether they are famous or not, are not open about taking them. The jab started as a diabetes drug, and it was later found that when the dosage was upped, it reduced users' appetite and helped them lose weight. Celebrities who have spoken publically about taking jabs include Oprah Winfrey , Sharon Osbourne , Elon Musk and James Corden. Some have praised the injections in interviews,