I am not sure about all Krill Oil products, however for Everest Nutrition Krill Oil the gelatin is made from Tilapia fish.

can you have an allergic reaction such as hives from taking krill oil

People have been extracting oil from krill since about 2005

Krill.

Krill are a type of ocean crustacean that very closely resemble shrimp but are smaller in size. Krill can grow up to five centimeters in length and due to their miniscule size, krill are a food source for fish, whales, squid, penguins and seals. Like fish oil found in fish, krill oil is extracted from krill because of its rich supply of Omega 3 fatty acids.

Krill oil is made from Krill. Krill are these little aquatic animals its a kind of shrimp that is caught off the coast of Japan. They are getting pretty popular.