Angstrom Minerals, The smallest most usable form of minerals on Earth. Because absorption is everything, Angstrom minerals are 99.9% absorbed by the body. Try that with a mineral tablet! Angstrom Minerals are sub lingual and enter the cell on the cellular level. Thus bypassing the Gi tract where so many mineral can have problems. Magnesium in the Gi Tract can cause diarrhea. Too much iron the the Gi tract caused constipation.