It seems like most low-budget films include zombies, gun battles, fights, and generally lots of violence, where somebody gets hurt and bleeds. Well, unless your actor is willing to shed some real blood, you need to buy some fake movie blood, or make your own. This video shows you several safe ways to make movie blood that is edible. That doesn’t mean it’s going to taste good. It just means your actors won’t die, if it gets in their mouths or on their skin. (You would be surprised at some of the chemicals come effects artists are using to make blood. Now that’s scary. Ok, enjoy the “how to make edible fake blood” video.

Wikipedia says:

Theatrical blood or stage blood is anything used as a substitute for blood in a theatrical or cinematic performance. For example, in the special effects industry, when a director needs to simulate an actor being shot or cut, a wide variety of chemicals and natural products can be used. The most common is red food coloring, often inside small balloons coupled with explosive devices called squibsAlfred Hitchcock famously used Bosco Chocolate Syrup as fake blood in his 1960 thriller Psycho.[1] Since the film was in black-and-white, the color was less important than the consistency. Tomato ketchup is also a common alternative.