Lecithin is widely used as an emulsifier in the food industry, helping to blend ingredients that typically do not mix well, such as oil and water. It is commonly found in products like chocolate, margarine, mayonnaise, and salad dressings to improve texture and consistency. In baking, it enhances dough elasticity and extends shelf life by retaining moisture. Lecithin also acts as a stabilizer in processed foods, preventing separation and maintaining a smooth texture.

In the pharmaceutical and supplement industries, lecithin is used as a component in dietary supplements due to its health benefits, such as supporting brain and nervous system function, liver health, and cholesterol reduction. It also aids in nutrient absorption in the body and serves as a dispersing agent for even distribution of active ingredients in medications.

In the cosmetic industry, lecithin is incorporated into creams and lotions to provide moisture to the skin, improve texture, enhance product absorption, and maintain stability.

Additionally, lecithin finds applications in agriculture as an ingredient in fertilizers and soil conditioners, improving nutrient uptake in plants and soil quality. In industrial settings, it is used as a release agent in mold manufacturing and as a lubricant in machinery.

Its versatility and natural origin make lecithin a valuable component across various sectors.