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Most people experience no significant side effects

Another study reported that the levels of lutein and zeaxanthin in the macula correlate with biomarkers of cognitive health (Kelly et al

While animal studies consistently demonstrate beneficial effects across diverse injury models and tissue types, the absence of adequately powered, controlled human clinical trials prevents definitive conclusions about efficacy in human disease

While light or moderate alcohol (~1 drink per day: 12 fl oz beer, 5 fl oz wine, 1.5 fl oz distilled spirits) drinkers can certainly remain healthy, and may experience some health benefits, it is not fully known whether these benefits are worth the potential risks, since the potential benefits are relatively small compared to the risks