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.

In a new video shared on Instagram, Jessica Simpson, who recently released her latest album "Nashville Canyon, Pt. 1," shared the secret behind her powerful vocals.

In a curious twist of dietary trends, Jessica Simpson has recently sparked conversations by revealing her unconventional drink of choice: a herbal tonic that includes an ingredient called 'snake sperm.