Is glycerine in fish oil halal?
Glycerine (E422) / Glycerol: Used as a solvent or humectant (maintains the desired level of moisture). It comes from beef fat or petroleum or vegetable. If it comes from chemical or vegetable source, it is halal; but if it comes from animal source, it cannot be halal, unless the animal was slaughtered Islamically or it went through the process of chemical transformation (istihalah).