Figure 3: Mean ( SEM) plasma copper levels measured at 0, 2, 4, 8, and 24 hours in all the healthy study subjects who consumed 8 study pills before breakfast. A: 8 capsules of placebo (n=15). B: 2 Cyclo-Z and 6 Placebo capsules (n=11). C:4 Cyclo-Z and 4 Placebo capsules (n=11). D: 8 capsules of Cyclo-Z (n=12). .