Is pink marshmallows made of pigs blood?

No, pink marshmallows are not made from pig's blood. They are typically made from sugar, water, Gelatin, and flavorings or colorings. The pink color usually comes from food coloring, often derived from plant sources or artificial dyes. Gelatin, which can be derived from animal collagen, does not specifically come from pigs in all cases, as it can also be sourced from cows or derived from vegetarian sources.