Fiber and Serum Lipids
Diet is the fundamental treatment for most lipid disorders.
A high fiber, low fat diet usually:
decreases serum cholesterol by 10-20%
decreases serum triglycerides by 15-80%
lowers risk for coronary heart disease by 20-40%
most effective in combating hypertriglceridemia
Furthermore, high fiber diets combat other risk factors by:
decreasing insulin resistance
lowering blood glucose
lowering blood pressure
decreasing blood clotting factors
assisting in weight maintenance
Hypocholesterolemic effects of dietary fiber
Oat bran decreases serum cholesterol by 10-15%
Bean intake decreases serum cholesterol by 10%
Psyllium intake decreases serum cholesterol by 10%
Long-term high fiber diets:
Decrease serum cholesterol by 20%
Decrease serum LDL-cholesterol by25%
Increase serum HDL-cholesterol by 10%
Lower elevated triglycerides by 30-50%
Serum triglycerides (TG) drop on high fiber diets:
Baseline TG 100-199 mg/dl: decrease of 30%
Baseline TG 200-299 mg/dl: decrease of 0-5%
Baseline TG 300-999 mg/dl: decrease of 40-50%
Baseline TG >1000 mg/dl: decrease of 80-90%
Effects of HDL cholesterol on high fiber diets:
Initially, HDL-cholesterol decreases
Long-term, HDL-cholesterol increases 10%
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