Pure Encapsulations, Black Currant Seed 500 mg, 250 SoftgelsBlack currant seed oil contains gamma linolenic acid (GLA), a fatty acid that has multiple physiological roles. Specifically, studies have shown that GLA promotes healthy prostaglandin E1 (PGE1) production. Researchers at the University of Massachusetts Medical School, Worcester, reported that GLA calories 5, calories from fat 5, total fat 0. 5 g., 18: 3 gamma linolenic (GLA) 70 mg., Vitamin E 10 i. u., (d alpha tocopherol) , other ingredients: