All about Gelatin: Sources, Types, Made of, Production, Uses and More
Capsule (pharmacy) - Wikipedia
What are gelatin capsules? And what are the alternatives?
Santosh GPAT World - The shells of soft gelatin capsules may be made elastic or plastic-like by the addition of (A) sorbitol. (B) povidone. (C) polyethylene glycol (PEG). (D) lactose. (E) hydroxypropyl