This 2013 double-blind, randomized, placebo-controlled study evaluated the efficacy and safety of Litramine IQP-G-002AS, a natural fiber complex derived from Opuntia ficus-indica, in promoting weight loss among 125 overweight and obese adults. Participants received either 3 g/day of Litramine or a placebo for 12 weeks, alongside nutritional counseling and a
