Should guinea pigs eat lettuce?

Yes you can feed them lettuce however, feed them leaffy lettuce that is dark green. If you just feed them iceburg lettuce they will not get nutrition from it. so romain lettuce or something like that is good. They love it too!

They need a cup of lettuce daily spring mix and romaine is good. Also half a cup of fruits and veggies daily. Green bell pepper (not spicy) oranges, blueberries, and cucumbers. NO carrots they can cause kidney and bladder stones also an unlimited supply of timothy hay fresh water, and plain guinea pig pellets with no dried fruit or hay bits in it. Hope this helps.