The “spit test” for Candida — where you spit into a glass of water first thing in the morning and watch how it behaves — is a popular DIY method, but it’s not scientifically proven to diagnose Candida overgrowth. Here’s how it’s done: • First thing in the morning (before eating or brushing your teeth), you spit into a clear glass of water. • Wait 15–30 minutes and observe the saliva. What people claim the results mean: • Stringy “legs” or cloudy trails: Supposedly indicates Candida. • Spit sinks