SRD:Elixir of Love
From D&D Wiki
|This material is published under the OGL 1.0a.|
Elixir of Love: This sweet-tasting liquid causes the character drinking it to become charmed with the first creature she sees after consuming the draft (as charm person—the drinker must be a humanoid of Medium or smaller size, Will DC 14 negates). The charm effects wear off in 1d3 hours.