Animal Sources

• Pancreas is a source of insulin, used in treatment of Diabetes
• Sheep thyroid is a source of thyroxin, used in hypertension
• Cod liver is used as a source of vitamin A and D
• Blood of animals is used in preparation of vaccines
• Conchineal (dried full grown female insects) consist of carminic acid used as colouring agent for foods, drugs and for cosmetic products