Modern food is evolving in the direction of green, healthy, and convenient products, and developing natural products with health benefits is an important direction for the food industry. Chlorella is rich in nutrients, such as carotene and fatty acids, which provide it with a variety of health benefits, and therefore widely used in the food industry as a health or functional food. This study reviews the research progress and specific applications of Chlorella in health, functional, and other foods, and expounds on the bottlenecks faced in the use of Chlorella in food industry. This review provides a theoretical basis for the research, utilisation, and production of new food materials involving Chlorella.
