 [ Symptoms ] feel very depressed fingernails and toenails very brittle hair loss hair is kinky straw like pale skin insomnia suffer from copper deficiency [ Disease ] im my opinion your problem is about absorption taking vitamin b12 supplement can help absorption from gut proteins and soluble carbohydrates tend to improve copper absorption and bioavailability by enhancing its solubility and intestinal bulk flow organic acids other than ascorbic acid or agents that form low molecular weight chelates are likely to have a positive effect on overall copper absorption