Jell-O’s main ingredient is gelatin, which comes from animal collagen found in bones, skin, and connective tissues. While some Jell-O products may contain pork-derived gelatin, many varieties are Kosher-certified and use alternative sources. Vegetarians and those following Halal or Kosher diets should check product labels carefully, as plant-based alternatives like agar-agar and carrageenan offer similar…