Go for organic Lychee Juice, without any added preservatives and added sugar. Also check for its "use-by" date on the packaging.
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NutriBuddy™ 
Description
Lychee is a small, juicy, oval to roundish fruit of a Chinese tree of the soapberry family. Lychee Juice is a juice prepared by blending lychees with some water in a blender, straining and discarding the pulp. It can be served as a beverage or used to make mocktails.