Sea buckthorn berries are used for preventing infections, improving sight, and slowing the aging process.for treating asthma, heart disorders including chest pain (angina) and high cholesterol; for preventing blood vessel disease; and as an antioxidant.slowing the decline of thinking skills with age; reducing illness due to cancer, as well as limiting the toxicity of chemical cancer treatment (chemotherapy); balancing the immune system; treating stomach and intestinal diseases including ulcers and reflux esophagitis (GERD); treating night blindness and dry eye; and as a supplemental source of vitamins C, A, and E, beta-carotene, minerals, amino acids, and fatty acids. for treating radiation damage from x-rays and sunburns; for healing wounds including bedsores, burns, and cuts; for acne, dermatitis, dry skin, eczema, skin ulcers, and skin color changes after giving birth; and for protecting mucus membranes.