Lowers triglycerides noticeably at 2 to 4 g a day; it does not lower LDL cholesterol.

Lowers triglycerides noticeably at 2 to 4 g a day; it does not lower LDL cholesterol.

Across more than 100 publications, plant sterols and stanols reliably lowered LDL cholesterol in a dose-dependent way, and are rated high-certainty evidence in a broader review of foods that affect LDL.

Soluble fibre such as psyllium lowers LDL cholesterol by a modest amount.

Lowers LDL cholesterol (about 0.46 mmol/L) and triglycerides in adults with high cholesterol.

Raises HDL and lowers triglycerides and LDL, but has not reduced heart attacks and causes flushing.

Higher fibre intake lowered LDL cholesterol by about 0.17 mmol/L (roughly 5%) in trials.

Small and inconsistent effects on cholesterol and triglycerides.

Cochrane found a possible small fall in LDL cholesterol (about 0.15 mmol/L) and triglycerides, though evidence was mixed.

May lower total cholesterol and triglycerides slightly, mainly in people with diabetes.

Very small falls in cholesterol and triglycerides that are unlikely to matter.

Little direct effect on cholesterol numbers; its benefit comes from replacing saturated fat.

No clear effect on cholesterol.
