- Black Currant stimulates the appetite and it is often given to pregnant women when they are off their food. Cooked in a broth, it is good for fever. It has higher acidity than the red varieties because of the abundance of malic and citric acids. Generally speaking Black Currant can be said to be a nutritional food which nourishes and greatly refreshes. It can be useful in the diet in cases of chronic illnesses and for those convalescing of acute health issues. - It must be remembered, however, t