Product Name: Zeaxanthin Botanical Source: Tagetes erecta Appearance: Standard: Zeaxanthin5% 25% Water: not more than 5.0% Package: 1KG/ aluminum foil bag paper drum as outer package Medicinal Use: Studies have shown that eating lutein- and zeaxanthin-rich foods or taking supplements of these carotenoids can restore macular pigment density, which declines with age. In fact, one such study of advanced macular degeneration patients who were taking high-dose lutein supplements ( 4 mg or more per day) experienced " normal" levels after a few months.