Health from The Sun Black Currant 1000 is a more convenient, cost-effective way to get the benefits of Black Currant Oil. One capsule contains twice the amount of essential fatty acids as standard Black Currant Oil capsules. Black Currant 1000 is a Bio-EFA food oil, ensuring the most Bioavailable Essential fatty Acids. Independently tested to guarantee purity and truth-in-labeling. Black Currant 1000 is a rich source of omega-6 GLA (gamma linolenic acid), an essential fatty acid beneficial for the immune system.