high strength gla, a massive 220mg per capsule, one of the riches sources of gla, convenient one-a-day veggie capsules, grown on uk farms that support honey beesstarflower oil is the oil extracted from borage seeds which has been found to have a naturally high level of the precious compound called gla. this is an omega 6 fatty acid which is used by the body to make certain hormones. in theory our bodies can make gla but research on evening primrose oil has shown that supplements of gla can be helpful for some people, & now many women choose a gla supplement around the time of their period.starflower oil is a very concentrated source of gla which means that each capsule can deliver more than twice the level of gla than the equivalent sized evening primrose capsule.each vegetarian capsules provide a massive 220mg of gla per capsule, making this an impressive, high potency one-a-day product.