Please keep in the fridge It is normal for powders to clump because they absorb moisture. Please keep in the fridge to let them dry and crush the lumps
The blackcurrant (Ribes nigrum) or black currant is a woody shrub in the family Grossulariaceae grown for its berries. It is native to temperate parts of central and northern Europe and northern Asia, where it prefers damp fertile soils and is widely cultivated both commercially and domestically.