According to Drugs.com MegaRed fish oil has several potential side effects ranging from sour stomach to coughing up blood or paralysis. Some of the side effects are minor and correct themselves as the individual adjusts to using the supplement, while others require immediate medical attention.Continue Reading
WebMD indicates krill oil slows the clotting of blood. While the supplement rates as possibly safe, surgery patients should stop its use at least two weeks before undergoing their procedures. In addition, there is not enough data to determine the effect of the supplement if a woman is pregnant or breastfeeding. Individuals who have experienced a seafood allergy in the past should use caution, as krill oil has the potential to cause a similar reaction.
According to Schiff, the manufacturer of MegaRed, it contains krill oil. While krill live in the cold waters of the ocean, they are not fish, but crustaceans, similar to shrimp, and are an important part of the food chain for seals, fish, penguins and squid. Krill oil, like fish oil, is high in omega 3 fatty acids, which, according to Drugs.com helps to lower triglycerides in the blood. Krill oil also offers the advantage of better absorption into the human system than fish oil.Learn more about Side Effects