Evidence Level
Strong
Plant sterols and stanols are among the most evidence-based natural interventions for cholesterol management. Ras et al. (2014) published the definitive meta-analysis of 124 studies confirming consistent LDL reductions of 6-12% at recommended doses. The evidence is so robust that the FDA authorized a health claim in 2000, and the AHA, ESC, and EFSA all recommend plant sterols as part of cholesterol-lowering dietary strategies. Abumweis et al. (2008) showed that plant sterols are effective across diverse populations regardless of baseline cholesterol, statin use, or genetic background. The main safety concern is potential carotenoid reduction, easily managed by eating colorful fruits and vegetables.