Agranular endoplasmic reticulum is involved in the synthesis of
Protien
Lipid
Carbohydrate
Vitamin D
Agranular Endoplasmic reticulum is also called smooth Endoplasmic reticulum. It is the site of steroid synthesis and detoxification. Granular is involved in protein synthesis.(REF: Ganong&;s Review of medical physiology)
General physiology