Most Common Incompatible Ingredients for Vegetarian Diets

The most common incompatible ingredients found in products.

Ingredient Total Foods Diet Description Compatibility
Natural 53,827 Vegetarian Ingredients are not synthetic or artificial, but extracted directly from plants or animal products Sometimes Vegetarian
Citric 35,457 Vegetarian Emulsifier - May contain animal fat as it is derived from Glycerin/Glycerol. Sometimes Vegetarian
Dextrose 29,143 Vegetarian Sometimes derived from animal tissues and fluids. Check the label to determine if suitable. Sometimes Vegetarian
Calcium 22,518 Vegetarian May be animal based. Double check the label to be sure of the origin. Sometimes Vegetarian
Vitamin 16,144 Vegetarian Likely animal based but may be plant based. Check the label to verify the source of the ingredient. Sometimes Vegetarian
Disodium 7,336 Vegetarian Flavor Enhancer - Often made from animals. Sometimes Vegetarian
Fish 5,926 Vegetarian Fish are not considered a vegetarian food. Never Vegetarian
Palmitate 5,623 Vegetarian A fatty acid most commonly derived from palm oil but may be derived from animals as well. Sometimes Vegetarian
Beef 4,664 Vegetarian Not a vegetarian friendly option. Beef is taken from the body of a cow. Never Vegetarian
Chicken 4,644 Vegetarian Chicken is not a vegetarian option if meat or flesh from an animal. Never Vegetarian
Pork 4,327 Vegetarian Pork, or pig, is not considered a vegetarian option. Never Vegetarian
Gelatin 4,169 Vegetarian Protein obtained by boiling animal skin, connective tissue or bones, usually from cows or pigs. Never Vegetarian
E471 4,164 Vegetarian Mono and di-glycerides of fatty acids (sometimes derived from animal fats). Sometimes Vegetarian
Polysorbate 3,301 Vegetarian Derivatives of fatty acids, which are commonly sourced from animals. In cosmetics, foods. Sometimes Vegetarian
Meat 2,532 Vegetarian Meat is not a vegetarian option as it is derived from an animal. Never Vegetarian
Propylene 1,599 Vegetarian Emulsifier - May contain animal fats. Sometimes Vegetarian
E120 1,550 Vegetarian Coloring - Cochineal (another name for carminic acid, a pigment made from powdered insects) Never Vegetarian
Turkey 1,494 Vegetarian Not a vegetarian food if derived from the flesh, meat, or tissue of a turkey. Never Vegetarian
Molluscs 1,460 Vegetarian Mollusca is the second largest phylum of invertebrate animals. Not a vegetarian option. Never Vegetarian
Glycerin 1,449 Vegetarian Often derived from animal fat but may also be plant based. Sometimes Vegetarian
Bacon 1,136 Vegetarian Bacon is a type of salt-cured pork/pig. Not considered a vegetarian option. Never Vegetarian
Shrimp 935 Vegetarian Shrimp is not considered a vegetarian food. Never Vegetarian
Worcestershire 718 Vegetarian Many varieties of Worcestershire sauce contain anchovies. Check the ingredients to be sure. Never Vegetarian
Cysteine 675 Vegetarian An amino acid found in the hair protein keratin. Sometimes Vegetarian
Tuna 600 Vegetarian Tuna is obtained from the tuna fish. Not a vegetarian food option. Never Vegetarian
Salmon 574 Vegetarian Salmon is a kind of fish. Not considered a vegetarian food. Never Vegetarian
Lard 558 Vegetarian Fat from the abdomen of a pig that is rendered and clarified for use in cooking. Never Vegetarian
E422 550 Vegetarian Sweetener - Likely plant-based but may be derived from animal fat. Sometimes Vegetarian
Polyglycerol 537 Vegetarian A byproduct of soap manufacture (normally uses animal fat). Sometimes Vegetarian
E631 512 Vegetarian Disodium Inosinate: Can be produced from meat, fish or tapioca starch. Sometimes Vegetarian
Carbon 505 Vegetarian Coloring derived from animals unless otherwise described as plant based. Sometimes Vegetarian
Sheep 482 Vegetarian Sheep are not considered a vegetarian option. Never Vegetarian
Carmine 442 Vegetarian Red pigment extracted from the crushed carcasses of the cochineal insect, a cactus-feeding insect. Never Vegetarian
Animal 409 Vegetarian This product contains an animal derivative. May not be vegetarian friendly. Never Vegetarian
Anchovy 401 Vegetarian A small fish often used to give non-vegetarian food a salty flavor. Never Vegetarian
Fur 361 Vegetarian The skin of an animal. Used in clothing. Sometimes Vegetarian
Marine 320 Vegetarian Likely from fish or marine mammals (including porpoises). Never Vegetarian
Diglyceride 311 Vegetarian Emulsifier - May contain animal fats. Sometimes Vegetarian
Crab 306 Vegetarian Not a vegetarian option if sourced from a crab. Never Vegetarian
Collagen 279 Vegetarian Protein found in most tissues, including bone, cartilage and skin. Typically from cows or chickens. Sometimes Vegetarian
Pollock 273 Vegetarian Pollock is a fish. Not a vegetarian option. Never Vegetarian
Skin 188 Vegetarian Animal based unless labeled as faux or artificial. Never Vegetarian
Cod 157 Vegetarian Not a vegetarian option if from the cod fish. Never Vegetarian
Diacetyl 121 Vegetarian Emulsifier - May contain animal fat as it is derived from Glycerin/Glycerol. Sometimes Vegetarian
Lobster 111 Vegetarian Not considered a vegetarian option if sourced from the meat or tissue of a lobster. Never Vegetarian
Tallow 103 Vegetarian Solid fat of sheep and cattle separated from the membranous tissues. Typically found in margarine. Never Vegetarian
Retinol 98 Vegetarian Vitamin A obtained from vegetables, egg yolks, or fish liver oil. Sometimes Vegetarian
Monoglyceride 95 Vegetarian Often from animal fat but may be plant based. Check the label. Sometimes Vegetarian
Squid 85 Vegetarian Squid is a sea animal and is not considered to be a vegetarian food. Never Vegetarian
Amino 84 Vegetarian The building blocks of protein in all animals and plants. Sometimes Vegetarian
Cochineal 80 Vegetarian Red pigment extracted from the crushed carcasses of the cochineal insect, a cactus-feeding insect. Never Vegetarian
Lamb 80 Vegetarian Not vegetarian if meat or tissue sourced from a lamb/young sheep. Never Vegetarian
Duck 73 Vegetarian Not a vegetarian option if sourced from a duck. Never Vegetarian
Acetylated 68 Vegetarian Can come from fish oil, egg yolks, butter, lemongrass, wheat germ oil, carotene in carrots, etc. Never Vegetarian
Blood 61 Vegetarian From any slaughtered animal. Possibly in foods such as lecithin. Never Vegetarian
Xantham 61 Vegetarian A derivative of bacterial fermentation. Chicken lysozyme may be used in the manufacturing process. Sometimes Vegetarian
Bee 53 Vegetarian This product contains an ingredient derived from bees. May not be vegetarian friendly. Sometimes Vegetarian