A cnidocyte is a type of venomous cell that is found in  coelenterates. A nematocyst, meanwhile, is a specialized organelle  found inside the nematocysts of coelenterates.
In a nutshell, these oils are extremely unhealthy. Theyâve been linked to reproductive problems, low birth rate, hormonal issues, obesity, mental decline, liver problems, and the big problems of our day: cancer and heart disease.
1 Fish liver oils, such as cod liver oil, are not the same as fish oil. 2  Fish liver oils contain vitamins A and D as well as omega-3 fatty acids. 3  Both of these vitamins can be toxic in large doses. 4  The amounts of vitamins in fish liver oil supplements vary from one product to another. Fish liver oils, such as cod liver oil, are not the same as fish oil. 2  Fish liver oils contain vitamins A and D as well as omega-3 fatty acids. 3  Both of these vitamins can be toxic in large doses. 4  The amounts of vitamins in fish liver oil supplements vary from one product to another.