User blog comment:Imouto-tan/Golden Phoenix Café/@comment-24696772-20170319004241/@comment-4867780-20170319034736

The effects are probably too broad for precise explanations, but my best guess would be that they induce a variety of pleasant emotions/sensations and temporary personal enhancements (attributes, skills, raw power, etc.), part of which may possibly become permanent if they keep a steady diet long enough.

Just my two cents ^ ^