Is it harmful to eat a lot of GOJi berries?

As far as I can find out, it is not harmful to eat too many goji berries. However, the recommended intake of Goji berries is 10-30g a day.

And yes, goji berries are the same as wolfberries. However, there are many different types and species of wolfberry, and when people talk about goji berries, they are usually referring to those grown in the himalayas or Tibet.
Source(s):
http://www.BuyGojiBerriesOnline.co.uk
http://en.wikipedia.org/wiki/Wolfberry