Most Common Incompatible Ingredients for Vegetarian Diets

The most common incompatible ingredients found in products.

Ingredient Total Foods Diet Description Compatibility
Natural 54,764 Vegetarian Ingredients are not synthetic or artificial, but extracted directly from plants or animal products Sometimes Vegetarian
Citric 36,043 Vegetarian Emulsifier - May contain animal fat as it is derived from Glycerin/Glycerol. Sometimes Vegetarian
Dextrose 29,492 Vegetarian Sometimes derived from animal tissues and fluids. Check the label to determine if suitable. Sometimes Vegetarian
Calcium 22,829 Vegetarian May be animal based. Double check the label to be sure of the origin. Sometimes Vegetarian
Vitamin 16,388 Vegetarian Likely animal based but may be plant based. Check the label to verify the source of the ingredient. Sometimes Vegetarian
Disodium 7,479 Vegetarian Flavor Enhancer - Often made from animals. Sometimes Vegetarian
Fish 5,943 Vegetarian Fish are not considered a vegetarian food. Never Vegetarian
Palmitate 5,721 Vegetarian A fatty acid most commonly derived from palm oil but may be derived from animals as well. Sometimes Vegetarian
Chicken 4,734 Vegetarian Chicken is not a vegetarian option if meat or flesh from an animal. Never Vegetarian
Beef 4,702 Vegetarian Not a vegetarian friendly option. Beef is taken from the body of a cow. Never Vegetarian
Pork 4,376 Vegetarian Pork, or pig, is not considered a vegetarian option. Never Vegetarian
Gelatin 4,232 Vegetarian Protein obtained by boiling animal skin, connective tissue or bones, usually from cows or pigs. Never Vegetarian
E471 4,207 Vegetarian Mono and di-glycerides of fatty acids (sometimes derived from animal fats). Sometimes Vegetarian
Polysorbate 3,354 Vegetarian Derivatives of fatty acids, which are commonly sourced from animals. In cosmetics, foods. Sometimes Vegetarian
Meat 2,568 Vegetarian Meat is not a vegetarian option as it is derived from an animal. Never Vegetarian
Propylene 1,647 Vegetarian Emulsifier - May contain animal fats. Sometimes Vegetarian
E120 1,554 Vegetarian Coloring - Cochineal (another name for carminic acid, a pigment made from powdered insects) Never Vegetarian
Glycerin 1,508 Vegetarian Often derived from animal fat but may also be plant based. Sometimes Vegetarian
Turkey 1,501 Vegetarian Not a vegetarian food if derived from the flesh, meat, or tissue of a turkey. Never Vegetarian
Molluscs 1,464 Vegetarian Mollusca is the second largest phylum of invertebrate animals. Not a vegetarian option. Never Vegetarian
Bacon 1,159 Vegetarian Bacon is a type of salt-cured pork/pig. Not considered a vegetarian option. Never Vegetarian
Shrimp 952 Vegetarian Shrimp is not considered a vegetarian food. Never Vegetarian
Worcestershire 724 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 604 Vegetarian Tuna is obtained from the tuna fish. Not a vegetarian food option. Never Vegetarian
Salmon 578 Vegetarian Salmon is a kind of fish. Not considered a vegetarian food. Never Vegetarian
Lard 563 Vegetarian Fat from the abdomen of a pig that is rendered and clarified for use in cooking. Never Vegetarian
E422 552 Vegetarian Sweetener - Likely plant-based but may be derived from animal fat. Sometimes Vegetarian
Polyglycerol 548 Vegetarian A byproduct of soap manufacture (normally uses animal fat). Sometimes Vegetarian
E631 515 Vegetarian Disodium Inosinate: Can be produced from meat, fish or tapioca starch. Sometimes Vegetarian
Carbon 511 Vegetarian Coloring derived from animals unless otherwise described as plant based. Sometimes Vegetarian
Sheep 483 Vegetarian Sheep are not considered a vegetarian option. Never Vegetarian
Carmine 466 Vegetarian Red pigment extracted from the crushed carcasses of the cochineal insect, a cactus-feeding insect. Never Vegetarian
Animal 411 Vegetarian This product contains an animal derivative. May not be vegetarian friendly. Never Vegetarian
Anchovy 407 Vegetarian A small fish often used to give non-vegetarian food a salty flavor. Never Vegetarian
Fur 363 Vegetarian The skin of an animal. Used in clothing. Sometimes Vegetarian
Marine 321 Vegetarian Likely from fish or marine mammals (including porpoises). Never Vegetarian
Diglyceride 318 Vegetarian Emulsifier - May contain animal fats. Sometimes Vegetarian
Crab 308 Vegetarian Not a vegetarian option if sourced from a crab. Never Vegetarian
Collagen 294 Vegetarian Protein found in most tissues, including bone, cartilage and skin. Typically from cows or chickens. Sometimes Vegetarian
Pollock 283 Vegetarian Pollock is a fish. Not a vegetarian option. Never Vegetarian
Skin 191 Vegetarian Animal based unless labeled as faux or artificial. Never Vegetarian
Cod 159 Vegetarian Not a vegetarian option if from the cod fish. Never Vegetarian
Diacetyl 122 Vegetarian Emulsifier - May contain animal fat as it is derived from Glycerin/Glycerol. Sometimes Vegetarian
Lobster 112 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 96 Vegetarian Often from animal fat but may be plant based. Check the label. Sometimes Vegetarian
Cochineal 89 Vegetarian Red pigment extracted from the crushed carcasses of the cochineal insect, a cactus-feeding insect. Never Vegetarian
Amino 89 Vegetarian The building blocks of protein in all animals and plants. Sometimes Vegetarian
Squid 86 Vegetarian Squid is a sea animal and is not considered to be a vegetarian food. Never Vegetarian
Acetate 85 Vegetarian Possible sources are fish liver oil, egg yolks, butter, lemongrass, carrots or synthetics. Sometimes Vegetarian
Lamb 80 Vegetarian Not vegetarian if meat or tissue sourced from a lamb/young sheep. Never Vegetarian
Oleic 74 Vegetarian Fatty acid occurring in animal and vegetable fats. Sometimes Vegetarian
Duck 73 Vegetarian Not a vegetarian option if sourced from a duck. Never Vegetarian
Acetylated 69 Vegetarian Can come from fish oil, egg yolks, butter, lemongrass, wheat germ oil, carotene in carrots, etc. Never Vegetarian
Xantham 62 Vegetarian A derivative of bacterial fermentation. Chicken lysozyme may be used in the manufacturing process. Sometimes Vegetarian
Blood 59 Vegetarian From any slaughtered animal. Possibly in foods such as lecithin. Never Vegetarian
Bovine 57 Vegetarian Another word for cows or cattle. Not a vegetarian friendly food source. Never Vegetarian
Bee 53 Vegetarian This product contains an ingredient derived from bees. May not be vegetarian friendly. Sometimes Vegetarian