Humans love drinking chocolate milk, especially kids.
Its a very sweet treat that mixes chocolate and milk together to make a semi healthy drink option.
You can buy chocolate milk directly from the grocery store or you can make it yourself with cocoa powder or liquid chocolate with regular milk.
So can guinea pigs drink chocolate milk at all?
No, they cannot.
This particular drink is just too sweet for guinea pigs to drink. It will hurt their stomach.
Therefore it is best to stay clear of feeding any chocolate milk to your guinea pig as it is bad for their health.