<qa>  What is the test dose of flaxseed?Participants will be randomized to receive flaxseed or a matching wheat bran control. The test dose of flaxseed will be 40 grams administered in baked products muffins, bread, or bars. The first 6 study weeks are a diet stabilization phase, followed by a 10-week study phase in which participants are expected to eat two servings of the test food daily. Blood and urine are collected for analysis, which will include measurement of low density lipoprotein cholesterol LDL-C, post-prandial triglycerides, and urinary isoprostane secretion. 