Jessica Simpson’s secret to good vocals? Snake sperm. In a silly Instagram Reel she shared over the weekend, Simpson said she’s been taking a syrup-like supplement to help her with her vocal performance — its contents were a mystery until a a recent Google search.

Jessica Simpson believes snake sperm has improved her singing. The 44-year-old singer-and-actress' vocal coach recommended she started drinking a "Chinese herb thing" and she revealed the special beverage has some very unconventional ingredients, but she thinks she's experiencing the benefits.