This study was designed to measure the effect of heme alone,
and heme with fish (Cilus gilberti), chicken (Gallus gallus) and beef
(Bos taurus) on heme Fe absorption. The subjects received the same
dose of 5 mg of Fe as heme in gelatin capsules (Reutter Co, Santiago,
Chile), plus the different meats. On day 1, subjects received
Fig. 1. Experimental design.