However, the concept will soon be changing, with an overhaul designed to help modernise Slimming World in a market now swamped with weight loss jabs like Ozempic and Mounjaro. The UK’s Slimming World franchise wasn’t far behind, launching in 1969, and it now boasts around 700,000 members per week. Slimming World Slimming World puts food into three categories – Free Foods, Healthy Extras, and Syns. Once people walk through the doors of a Slimming World group, though, they see they’re not alone. We welcome people who take weight loss jabs to take part in Slimming World and get that extra support around sustainable changes.’After my session, I know I won’t be signing up for Slimming World membership anytime soon.