Trader Joe’s Dried mango

Their dried mango ingredients are: mango, sugar, glycerin, mango juice, sulfur dioxide (added for freshness)
Is this Kosher for passover?

Kosher for Pesach for all

How do you know the glycerin is not animal derived

Even if animal derived it would be kosher.

Can you explain how it would be kosher?

Please do a search on this site for “Glycerin” and you will find sufficient info