Gum arabic is extracted from the acacia tree, primarily cultivated in Africa, the Middle East, and certain parts of Asia.
Its main function is to act as a thickener, stabilizer, and emulsifier in foods and beverages. It is used to enhance the texture and viscosity of products.

Carboxymethylcellulose or CMC is a gel of synthetic origin. It is a highly hygroscopic cellulose ether. It is often used in the form of its sodium salt, sodium carboxymethylcellulose.

Carob gum is a food additive identified with the code E410 in the international classification of food additives.

E412, also known as guar gum, is a naturally-derived food additive widely used in the food industry.

As an excipient, cellulose powders are mainly used, often commercially referred to as "microcrystalline cellulose." It is a white powder, insoluble in water, but it disperses in water, forming a stable gel.

Commercial pectin (often used to thicken jams and jellies) is extracted from dried apple pomace or dried peels of various fruits. This additive is used as a gelling agent, stabilizer, and coating agent.

E417, also known as tara gum, is a natural food additive extracted from the seeds of the tara tree (Caesalpiniae Spinoza), a tree native to Peru.