Ingredient Guide

Unfriendly Ingredients for Vegetarian Lifestyles

Ingredients that people with certain lifestyles and diets choose to avoid in their food.

Ingredients for Other Diets »

Vegetarianism is the practice of abstaining from the consumption of meat, and may also include abstention from by-products of animal slaughter.

Ingredients that people living the Vegetarian lifestyle, typically, choose to avoid in their food.

See Vegetarian Diet Friendly Food »

Diet Ingredient Description Is it Vegetarian?
Vegetarian Abalone Abalone is a common name for any of a group of small to very large sea snails and molluscs. Never Vegetarian
Vegetarian Acetate Possible sources are fish liver oil, egg yolks, butter, lemongrass, carrots or synthetics. May be Vegetarian
Vegetarian Acetylated Can come from fish oil, egg yolks, butter, lemongrass, wheat germ oil, carotene in carrots, etc. Never Vegetarian
Vegetarian Adrenaline Hormone from adrenal glands of hogs, cattle, and sheep. Never Vegetarian
Vegetarian Albumen In eggs, milk, muscles, blood, and many vegetable tissues and fluids. May be Vegetarian
Vegetarian Albumin In eggs, milk, muscles, blood, and many vegetable tissues and fluids. May be Vegetarian
Vegetarian Alcloxa Uric acid from cows, most mammals. Also in many plants. Never Vegetarian
Vegetarian Aldioxa Uric acid from cows, most mammals. Also in many plants. Never Vegetarian
Vegetarian Allantoin Uric acid from cows, most mammals. Also in many plants. May be Vegetarian
Vegetarian Alligator Typically used for their skin and sometimes for their meat and tissue. Never Vegetarian
Vegetarian Allura Allura Red. Derived from either coal tar or petroleum. It is not derived from insects. May be Vegetarian
Vegetarian Ambergris From whale intestines. Used in perfumes and as flavoring in foods and beverages. Never Vegetarian
Vegetarian Amino The building blocks of protein in all animals and plants. May be Vegetarian
Vegetarian Aminosuccinate An amino acid that is used in the biosynthesis of proteins. Never Vegetarian
Vegetarian Amylase Enzyme derived from either animal (usually porcine pancreas), fungal, bacterial or plant source. May be Vegetarian
Vegetarian Anchovy A small fish often used to give non-vegetarian food a salty flavor. Never Vegetarian
Vegetarian Animal This product contains an animal derivative. May not be vegetarian friendly. Never Vegetarian
Vegetarian Arachidonic A fatty acid found in liver, brain, glands, and fat of animals and humans. Never Vegetarian
Vegetarian Arachidyl A wax that can be from animal fat. Alternatives: peanut or vegetable oil. May be Vegetarian
Vegetarian Aspartic An amino acid occurring in animals and plants. Usually synthesized from glutamate. May be Vegetarian
Vegetarian Aspic Savory jelly derived from meat and fish. Never Vegetarian
Vegetarian Bacon Bacon is a type of salt-cured pork/pig. Not considered a vegetarian option. Never Vegetarian
Vegetarian Bee This product contains an ingredient derived from bees. May not be vegetarian friendly. May be Vegetarian
Vegetarian Beef Not a vegetarian friendly option. Beef is taken from the body of a cow. Never Vegetarian
Vegetarian Bison Ingredient comes from bison, which is a relative to cows. May not be vegetarian. Never Vegetarian
Vegetarian Blood From any slaughtered animal. Possibly in foods such as lecithin. Never Vegetarian
Vegetarian Boar Ingredient comes from boar, which is a relative to the pig. Typically used for their hair. Never Vegetarian
Vegetarian Bone Anti-caking Agent - Contains bones from animals. Never Vegetarian
Vegetarian Boneblack Bone Charcoal. Made by roasting bones. Used in some filters and in refining cane sugar. Never Vegetarian
Vegetarian Bonechar Animal bone ash. Black residue from bones calcined in closed vessels. Never Vegetarian
Vegetarian Bonemeal Crushed or ground animal bones. Never Vegetarian
Vegetarian Bonito Smaller relative of the tuna fish. Used as an ingredient in Japanese cuisine. Never Vegetarian
Vegetarian Bovine Another word for cows or cattle. Not a vegetarian friendly food source. Never Vegetarian
Vegetarian Brain Extract taken from the brain of a slaughtered animal. Never Vegetarian
Vegetarian Brawn Boiled meat, ears and tongue of pig. Never Vegetarian
Vegetarian Brawn Boiled meat, ears and tongue of pig. Never Vegetarian
Vegetarian Calamari Not vegetarian if sourced from an actual squid. Never Vegetarian
Vegetarian Calciferol Can come from fish liver oil, milk, egg yolks, and other animal products but can come from plants. May be Vegetarian
Vegetarian Calcium May be animal based. Double check the label to be sure of the origin. May be Vegetarian
Vegetarian Calfskin Skin from a calf. Typically found in leather products. Never Vegetarian
Vegetarian Canthaxanthin Coloring - Usually derived from plant material, but sometimes made from fish or shells. May be Vegetarian
Vegetarian Capiz A shell from a marine animal. Never Vegetarian
Vegetarian Carbamide Usually plant based. Can be extracted from animal urine and other body fluids. May be Vegetarian
Vegetarian Carbon Coloring derived from animals unless otherwise described as plant based. May be Vegetarian
Vegetarian Carmine Red pigment extracted from the crushed carcasses of the cochineal insect, a cactus-feeding insect. Never Vegetarian
Vegetarian Castoreum A secretion from muskrat or beaver genitals. Never Vegetarian
Vegetarian Catalase Enzyme that decomposes hydrogen peroxide. It is derived from cattle liver or fungus. May be Vegetarian
Vegetarian Catgut Tough cord or thread made from the intestines of sheep, horses, etc. Never Vegetarian
Vegetarian Cattle Cattle, or cows, are the most common type of large domesticated ungulates. Never Vegetarian
Vegetarian Chicken Chicken is not a vegetarian option if meat or flesh from an animal. Never Vegetarian
Vegetarian Cholesterin Derived from animal fats or oils, nerve tissues, eggs or blood. May be Vegetarian
Vegetarian Cholic A bile acid found in humans and animals. Most commonly extracted from cows or ox. Never Vegetarian
Vegetarian Chondroitin Produced synthetically or derived from the cartilage of cows, pigs, sharks, fish or birds. May be Vegetarian
Vegetarian Chymotrypsin Enzyme primarily derived from ox pancreas. Never Vegetarian
Vegetarian Cistine An amino acid which can come from animals. May be Vegetarian
Vegetarian Citric Emulsifier - May contain animal fat as it is derived from Glycerin/Glycerol. May be Vegetarian
Vegetarian Civet Substance painfully scraped from glands in the anal pouch of the civet cat. Never Vegetarian
Vegetarian Cochineal Red pigment extracted from the crushed carcasses of the cochineal insect, a cactus-feeding insect. Never Vegetarian
Vegetarian Cod Not a vegetarian option if from the cod fish. Never Vegetarian
Vegetarian Collagen Protein found in most tissues, including bone, cartilage and skin. Typically from cows or chickens. May be Vegetarian
Vegetarian Cortico Cortisone. Hormone from cattle liver. Widely used in medicine. Alternatives: synthetics. Never Vegetarian
Vegetarian Crab Not a vegetarian option if sourced from a crab. Never Vegetarian
Vegetarian Crustacean Includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill, woodlice, and barnacles. Never Vegetarian
Vegetarian Cysteine An amino acid found in the hair protein keratin. May be Vegetarian
Vegetarian Dashi Stock made from fish and seaweed. Used in Japanese cuisine. Never Vegetarian
Vegetarian Dexpanthenol Can come from animal or plant sources or synthetics. May be Vegetarian
Vegetarian Dextrose Sometimes derived from animal tissues and fluids. Check the label to determine if suitable. May be Vegetarian
Vegetarian Diacetyl Emulsifier - May contain animal fat as it is derived from Glycerin/Glycerol. May be Vegetarian
Vegetarian Diglyceride Emulsifier - May contain animal fats. May be Vegetarian
Vegetarian Disodium Flavor Enhancer - Often made from animals. May be Vegetarian
Vegetarian Down Goose or duck insulating feathers. Often from slaughtered or cruelly exploited geese. May be Vegetarian
Vegetarian Duck Not a vegetarian option if sourced from a duck. Never Vegetarian
Vegetarian Duodenum A part of an intestinal tract. In some vitamins and medicines. Never Vegetarian
Vegetarian E120 Coloring - Cochineal (another name for carminic acid, a pigment made from powdered insects) Never Vegetarian
Vegetarian E422 Sweetener - Likely plant-based but may be derived from animal fat. May be Vegetarian
Vegetarian E471 Mono and di-glycerides of fatty acids (sometimes derived from animal fats). May be Vegetarian
Vegetarian E542 Edible Bone Phosphate: A product made from the bones of cattle or pigs. Never Vegetarian
Vegetarian E631 Disodium Inosinate: Can be produced from meat, fish or tapioca starch. May be Vegetarian
Vegetarian Elastin Found in the neck ligaments and aorta of bovine. Similar to collagen. Never Vegetarian
Vegetarian Escargot A food consisting of cooked land snails. Not a vegetarian option. Never Vegetarian
Vegetarian Feather Generally from exploited and/or slaughtered birds. May be Vegetarian
Vegetarian Fish Fish are not considered a vegetarian food. Never Vegetarian
Vegetarian Fletan Rare ingredient derived from fish liver which includes lecithin, Vitamin A and Vitamin D. Never Vegetarian
Vegetarian Fur The skin of an animal. Used in clothing. May be Vegetarian
Vegetarian Gelatin Protein obtained by boiling animal skin, connective tissue or bones, usually from cows or pigs. Never Vegetarian
Vegetarian Glucosamine Usually extracted from the tissues of shellfish. Sometimes from corn or produced synthetically. May be Vegetarian
Vegetarian Glutamic An amino acid found widely in plant and animal tissue. May be Vegetarian
Vegetarian Glycerin Often derived from animal fat but may also be plant based. May be Vegetarian
Vegetarian Goose Geese are not considered a vegetarian food. Never Vegetarian
Vegetarian Guanine Pearl Essence. Obtained from scales of fish. May be Vegetarian
Vegetarian Hair In some blankets, mattresses, brushes, furniture, etc. Alternatives: vegetable and man-made fibers. May be Vegetarian
Vegetarian Hide Same as gelatin but of a cruder, more impure form. May be Vegetarian
Vegetarian Hogs Hog - Derives from a domestic pig. Never Vegetarian
Vegetarian Inositol A sugar-like dietary supplement. Present in almost all plant and animal tissues. May be Vegetarian
Vegetarian Insulin From hog pancreas. Used by millions of diabetics daily. Never Vegetarian
Vegetarian Isinglass Very pure form of gelatin obtained from the air bladders of some freshwater fishes. Never Vegetarian
Vegetarian Katsuobushi Made from skipjack tuna or the bonito fish. Used as a topping or filling in many Japanese dishes. Never Vegetarian
Vegetarian L-cysteine Improving Agent - Produced commercially from animal and human hair (and feathers). May be Vegetarian
Vegetarian Lactoflavin A food coloring. Can be produced from animal sources like beef, especially when marked as natural. May be Vegetarian
Vegetarian Lamb Not vegetarian if meat or tissue sourced from a lamb/young sheep. Never Vegetarian
Vegetarian Laneth Wax from sheep excreted by the skin of sheep and extracted from the wool. May be Vegetarian
Vegetarian Lanogene A product of the oil glands of sheep, extracted from their wool. May be Vegetarian
Vegetarian Lanolate A product of the oil glands of sheep, extracted from their wool. May be Vegetarian
Vegetarian Lanolin Wax from sheep excreted by the skin of sheep and extracted from the wool. May be Vegetarian
Vegetarian Lanosterol A product of the oil glands of sheep, extracted from their wool. May be Vegetarian
Vegetarian Lard Fat from the abdomen of a pig that is rendered and clarified for use in cooking. Never Vegetarian
Vegetarian Leather Animal based unless labeled as faux or artificial. May be Vegetarian
Vegetarian Lipid Fat and fat-like substances that are found in animals and plants. Alternatives: vegetable oils. May be Vegetarian
Vegetarian Lipoid Fat and fat-like substances that are found in animals and plants. Alternatives: vegetable oils. May be Vegetarian
Vegetarian Lobster Not considered a vegetarian option if sourced from the meat or tissue of a lobster. Never Vegetarian
Vegetarian Luna A plantlike animal used to make sponges. Never Vegetarian
Vegetarian Marine Likely from fish or marine mammals (including porpoises). Never Vegetarian
Vegetarian Meat Meat is not a vegetarian option as it is derived from an animal. Never Vegetarian
Vegetarian Merling A common type of fish. Not a vegetarian friendly option. Never Vegetarian
Vegetarian Mink A weasel like rodent used in cosmetics, creams, and for their skin. Never Vegetarian
Vegetarian Mohair Hair taken from the angora goat. May be Vegetarian
Vegetarian Mollusc Mollusca is the second largest phylum of invertebrate animals. Not a vegetarian option. Never Vegetarian
Vegetarian Mono-Diglyceride Emulsifying agents in puddings, ice cream, bread etc. Can be derived from plants or animals. May be Vegetarian
Vegetarian Monoglyceride Often from animal fat but may be plant based. Check the label. May be Vegetarian
Vegetarian Musk Dried genital secretion obtained from deer, beaver, muskrat, civet cat, otter, and other animals. May be Vegetarian
Vegetarian Mussel Mussels are animals belonging to the shellfish family. Not considered a vegetarian option. Never Vegetarian
Vegetarian Myristal Acid typically derived from nut oils but occasionally of animal origin. May be Vegetarian
Vegetarian Natural Ingredients are not synthetic or artificial, but extracted directly from plants or animal products May be Vegetarian
Vegetarian Ocenol Found in oil derived from fish. May be Vegetarian
Vegetarian Octadecanoic Tallor and other animal fats and oils. Never Vegetarian
Vegetarian Okaka Made from skipjack tuna or the bonito fish. Used as a topping or filling in many Japanese dishes. Never Vegetarian
Vegetarian Olceinic Animal tallow/fat found in synthetic butter, cheese, some vegetable fats and oils, etc. Never Vegetarian
Vegetarian Oleic Fatty acid occurring in animal and vegetable fats. May be Vegetarian
Vegetarian Oleostearin Solid obtained from pressed tallow. Never Vegetarian
Vegetarian Oleth Found in oil derived from fish. May be Vegetarian
Vegetarian Oleyl Found in oil derived from fish. May be Vegetarian
Vegetarian Ostrich An ostrich is a large flightless bird. Not a vegetarian friendly food option. Never Vegetarian
Vegetarian Ox Ox or oxgall is sourced from bovines, which are often castrated. Typically used in creams. May be Vegetarian
Vegetarian Palmitamide A fatty acid most commonly derived from palm oil but may be derived from animals as well. May be Vegetarian
Vegetarian Palmitamine A fatty acid most commonly derived from palm oil but may be derived from animals as well. May be Vegetarian
Vegetarian Palmitate A fatty acid most commonly derived from palm oil but may be derived from animals as well. May be Vegetarian
Vegetarian Palmitic A fatty acid most commonly derived from palm oil but may be derived from animals as well. May be Vegetarian
Vegetarian Panthenol Can come from animal or plant sources or synthetics. In shampoos, supplements, emollients, etc. May be Vegetarian
Vegetarian Panthenyl Can come from animal or plant sources or synthetics. In shampoos, supplements, emollients, etc. May be Vegetarian
Vegetarian Phosphatide Sometimes made using Glycerol. Glycerol is made mostly from animal fats, unless otherwise stated. May be Vegetarian
Vegetarian Pig Pig, or pork, is not considered a vegetarian option. Never Vegetarian
Vegetarian Pollock Pollock is a fish. Not a vegetarian option. Never Vegetarian
Vegetarian Polyglycerol A byproduct of soap manufacture (normally uses animal fat). May be Vegetarian
Vegetarian Polyoxyethylene Emulsifier - May contain animal fats. May be Vegetarian
Vegetarian Polypeptide From animal protein. Used in cosmetics. Alternatives: plant proteins and enzymes. Never Vegetarian
Vegetarian Polysorbate Derivatives of fatty acids, which are commonly sourced from animals. In cosmetics, foods. May be Vegetarian
Vegetarian Pork Pork, or pig, is not considered a vegetarian option. Never Vegetarian
Vegetarian Poultry Poultry is another name for domestic fowl, such as chickens, turkeys, ducks, and geese. Never Vegetarian
Vegetarian Pristane Obtained from the liver oil of sharks and from whale ambergris. Never Vegetarian
Vegetarian Progesteron A steroid hormone used in anti-wrinkle face creams. Alternatives: synthetics. May be Vegetarian
Vegetarian Propanediol Emulsifier - May contain animal fats. May be Vegetarian
Vegetarian Propylene Emulsifier - May contain animal fats. May be Vegetarian
Vegetarian Provitamin A pigment found in animal tissues and plants. Typically plant based when used as an additive. May be Vegetarian
Vegetarian Puttanesca A pasta dish that often includes anchovies. May be Vegetarian
Vegetarian Qivuit The wool taken from the muskox. May be Vegetarian
Vegetarian Quail Quail is a mid-sized bird and is not considered a vegetarian option. Never Vegetarian
Vegetarian Quanternium Fat from cows, sheep, pigs, etc. Often refers to a fatty substance taken from the stomachs of pigs. May be Vegetarian
Vegetarian Quinoline May involve the use of gelatin as a carrier. May be Vegetarian
Vegetarian Retinol Vitamin A obtained from vegetables, egg yolks, or fish liver oil. May be Vegetarian
Vegetarian Ribonucleic RNA is in all living cells. Used in many protein shampoos and cosmetics. Alternatives: plant cells. May be Vegetarian
Vegetarian RNA RNA is in all living cells. Used in many protein shampoos and cosmetics. Alternatives: plant cells. May be Vegetarian
Vegetarian Sable From the fur, or other parts of sables (weasel-like mammals). May be Vegetarian
Vegetarian Salmon Salmon is a kind of fish. Not considered a vegetarian food. Never Vegetarian
Vegetarian Scale Used in shimmery makeups (eye, etc.). Alternatives: mica, rayon. May be Vegetarian
Vegetarian Scallop Scallops are a kind of shellfish and are not considered to be a vegetarian option. Never Vegetarian
Vegetarian Seafood Seafood is any form of sea life regarded as food by humans. Likely animal based. Never Vegetarian
Vegetarian Shark Products that are derived from shark flesh, meat, or tissue are not vegetarian. Never Vegetarian
Vegetarian Sheep Sheep are not considered a vegetarian option. Never Vegetarian
Vegetarian Shrimp Shrimp is not considered a vegetarian food. Never Vegetarian
Vegetarian Skin Animal based unless labeled as faux or artificial. Never Vegetarian
Vegetarian Snail Snails are small gastropods. They are typically crushed for cosmetic or for escargot. May be Vegetarian
Vegetarian Sperm A waxy and oily reproductive substance derived from animals. May be Vegetarian
Vegetarian Spermaceti Waxy oil derived from whale heads or from dolphins but now most often derived from petroleum. May be Vegetarian
Vegetarian Sponge A plantlike sea animal used to make sponges. Never Vegetarian
Vegetarian Squalane Oil derived from shark livers. May be Vegetarian
Vegetarian Squalene Oil derived from shark livers. May be Vegetarian
Vegetarian Squid Squid is a sea animal and is not considered to be a vegetarian food. Never Vegetarian
Vegetarian Stearin Fat from cows, sheep, pigs, etc. Often refers to a fatty substance taken from the stomachs of pigs. May be Vegetarian
Vegetarian Stearyl Often prepared from stearic acid. Typically a fat from cows, pigs, and sheep, etc. May be Vegetarian
Vegetarian Stearyldimethyl Often prepared from stearic acid. Typically a fat from cows, pigs, and sheep, etc. May be Vegetarian
Vegetarian Steroid May be from various animal glands or from plant tissues. May be Vegetarian
Vegetarian Sterol May be from various animal glands or from plant tissues. May be Vegetarian
Vegetarian Suede Animal based unless labeled as faux or artificial. May be Vegetarian
Vegetarian Suet Hard white fat around kidneys and loins of animals. Never Vegetarian
Vegetarian Tallow Solid fat of sheep and cattle separated from the membranous tissues. Typically found in margarine. Never Vegetarian
Vegetarian Tallowate A soap made by combining the fatty tissue of animals. Never Vegetarian
Vegetarian Tuna Tuna is obtained from the tuna fish. Not a vegetarian food option. Never Vegetarian
Vegetarian Turkey Not a vegetarian food if derived from the flesh, meat, or tissue of a turkey. Never Vegetarian
Vegetarian Veal The flesh of cow calves that have been raised in conditions that prevent the development of muscle. Never Vegetarian
Vegetarian Vitamin Likely animal based but may be plant based. Check the label to verify the source of the ingredient. May be Vegetarian
Vegetarian Volaise Ostrich meat. Never Vegetarian
Vegetarian Whiting A common type of fish. Not a vegetarian friendly option. Never Vegetarian
Vegetarian Worcestershire Many varieties of Worcestershire sauce contain anchovies. Check the ingredients to be sure. Never Vegetarian