You can apply these oils topically (beware of citrus oils promoting photosensitivity) or add citrus oils to your water
Zhao S, Wang X, Zheng X, Liang X, Wang Z, Zhang J, et al
(2009) found that mutation of a Gpx to exchange the selenocysteine to cysteine at the catalytic site reduced the specific activity of the enzyme by two to three orders of magnitude
Regulation of GPx activity and protein levels
Type 2 diabetes is the most common form of diabetes accounting for about 90% of cases of this disease, and oxidative stress is believed to be a pivotal factor in its development [63]
Stimulation of Angiogenesis and Tissue Remodeling : GHK-Cu has been observed to promote new capillary formation and improve oxygen and nutrient delivery to damaged tissue