How does this compare to an AREDS 2 formula from other companies?

Preserve Mac Forte is based on AREDS 2, but it contains more items. The typical AREDS 2 formula contains only 6 items, and some contain less. Preserve Mac Forte Advanced contains all 6 items studied in AREDS 2, plus it contains an extra carotenoid called lycopene. In addition, it contains 20 more items for a total of 27 ingredients! It is a powerful, comprehensive ocular supplement that promotes healthy eyes and supports full body health.