This double-blind , randomized , placebo-controlled trial examined the effects of a diet supplemented for 12 mo with foods that contained either 30 g of milled flaxseed [ milled flaxseed treatment ( FX ) group ; n = 58 ] or 30 g of whole wheat [ placebo ( PL ) group ; n = 52 ] in a patient population with peripheral artery disease ( PAD ) .