Hypoalphalipoproteinemia is related to hypoalphalipoproteinemia, primary, 2, intermediate and hypoalphalipoproteinemia, primary, 2. An important gene associated with Hypoalphalipoproteinemia is APOA1 (Apolipoprotein A1), and among its related pathways/superpathways are Metabolism and Transport of inorganic cations/anions and amino acids/oligopeptides. The drugs Niacin and Nicotinamide have been mentioned in the context of this disorder. Affiliated tissues include endothelial and heart, and related phenotypes are Increased free cholesterol and Increased LDL uptake