Do you have vertical ridges on your fingernails? This could signify low stomach acid and a poor breakdown of protein and assimilation of minerals and B vitamins. Our bodies are machines and signs like this are similar to the “check engine” light that comes up on your car dashboard. Learn more about the importance of getting the proper amount of protein in your diet here. If you want to know more about how the body assimilates vitamins & minerals, read this!