Peridot probably won't understand how significant this gesture is to him, but he also doesn't really care. It's something he feels like he should at least offer.

"I usually suck on it until it dissolves, but you can just swallow it whole, I guess..." he frowns a little, "Maybe do it as a bat, though? In your normal form, I'm not sure it'll work. Or... maybe it will?"

He scratches his head, looking confused. "I'll be honest, I ain't 100% sure how you gemfolk work. I've never really had a chance to investigate."