In folk medicine, oil is used internally for vitamin deficiency (scurvy, night blindness), peptic ulcer of the stomach and duodenum, diseases of the cardiovascular system, and blood diseases. Leaves in Central Asia are used externally for rheumatism. The fruits of sea buckthorn for medicinal purposes are used in the form of juice, infusions and decoctions, syrups, oils.
Sea-buckthorn tincture: The tincture is obtained by insisting the ground sea-buckthorn fruits on 95% ethanol (1: 1) for 7 days. After filtering off the dense part, a light yellow transparent liquid remains, containing 43.8-47% ethyl alcohol, 46.2-58% water and soluble substances from the fruits of sea buckthorn. It is stored in a glass container tightly closed with a stopper in a cool place.
For internal use it is diluted with water in a ratio of 1: 2 - 1: 3.