Examiner.com Summer squash offers an excellent source of manganese and vitamin C as well as a good source of vitamin A. Due to the other antioxidant nutrients which are also present in squash, including the carotenoids lutein and zeaxanthin, squash can be helpful ... and more »
Huffington Post ... target="_blank">more vitamin C than an orange -- and is also rich in antioxidants lutein and zeaxanthin , known to protect your peepers, says Ward. A 2011 study found that ...