A dude needs his daily dose before he gives her that daily dose.
Know what I'm sayin'!!!
Sex Cereal has to be like Vitamin Water(r), like it's good marketing but ultimately probably won't work out so well. It might be a fun novelty thing you get for your significant other, which could be cool. However, Viagra Flakes, or Molly Smacks, that actually worked sounds really problematic, especially if you have kids and they run out of their Cocoa Puffs.