How does diet affect a lipoprotein profile?

Great effect. You can greatly improve you lipid profile by improving your dietary intake. Limit you intake of saturated fats and transfat and restrict your carbohydrate intake to reduce your triglyceride, and total cholesterol. By reducing Insulin secretion, you can diminish the storation of fat into the liver, fat, and muscle cells.
Sugar & Body Fat. Reality: Carbs, esp. simple sugars, are converted into body fat for storage & (along with ?ed body fat) ?es LDL concentrations & ? large-HDL concentrations. Remember lipoproteins are not cholesterol. Cholesterol is a fat manufactured by every animal cell. Lipoproteins carry all fat molecules in the water outside cells. Cholesterol was promoted because cheaper to measure than lipoproteins.