Why Spanish Fly Pills Aren’t Worth It. Spanish fly isn’t just ineffective as an aphrodisiac — it’s also dangerous. So keep Spanish fly and other herbal aphrodisiacs at arm’s length.

Spanish Fly products have long been covered in an aura of mystery and question. Historically, they were known as aphrodisiacs, substances that could ignite passion and enhance sexual experiences.

Spanish fly is one such aphrodisiac. “Spanish fly” refers to all sorts of tonics, potions and other “love supplements” made from one type of insect: blister beetles.