Here are 10 smart snack ideas to help naturally lower cholesterol. Soy protein may help lower LDL cholesterol by reducing its production in the liver, while fiber helps block cholesterol absorption in the gut. GuacamoleSergio Mendoza Hochmann / Getty ImagesAvocados are rich in monounsaturated fats, which can help lower LDL cholesterol while raising levels of protective HDL cholesterol. Studies show that eating chia seeds can help lower total and LDL cholesterol levels in people with high blood lipid levels. The Bottom LineRegularly enjoying foods like berries, chia seeds, low-fat dairy, beans, avocados, and nuts as snacks may help lower your cholesterol.