Krill Oil Side Effects / Dangers & Safety-Liver, Itching, Acne Mega Red

Is krill oil dangerous? Are there any dangers of taking krill oil? Krill oil is fast rising in popularity and many people are using it because it has been highly touted for many exceptional health benefits. Although it has been not sufficiently studied on, researchers have observed potential drawbacks linked with the use of krill oil supplements. Below are krill oil side effects.

Is Krill Oil Safe? What are the Side Effects of Krill Oil?

Krill oil is generally regarded as safe by the food and drug administration. Research on krill oil has not adequately evaluated the safety and possible side effects of krill oil. It is however likely that just like fish oil, krill oil can cause side effects such as bad breath, upset stomach, nausea and diarrhea. While this studies are underway, it will only be right to say the krill oil is possibly safe for most adults. Here are a few exceptions;

People with seafood allergy: people who are allergic to seafood might also be allergic to krill oil supplements. If you have shellfish allergy, it is best to steer clear of krill oil supplements or speak to your nutritionist. Since krill oil is made from shrimp like fish, it is possible that you could have an allergy to it.

During pregnancy and breastfeeding: while omega 3 fatty acid (DHA) is known to improve the baby’s brain development, there is not enough research done on the safety of krill oil during pregnancy or breastfeeding. Since the few findings are conflicting, it is best to stay safe and avoid use. Otherwise, talk to your OB/GY or Pediatrician if breastfeeding before using any krill oil supplements.

Those with blood coagulation disorders: krill oil contains EPA and DHA, fatty acids that are also responsible for blood thinning. Krill oil can reduce blood coagulation which is a potentially dangerous risk for bleeding complications. Additionally, if taking krill oil when you are cut or wounded, it may take longer to health due to the slow formation of clotting factors. This is the same reason why it is recommended to stop taking krill oil supplements at least two weeks pre-op.

Krill oil also increases the effect of warfarin, a blood thinning medication. Other medications that may interact with krill oil include; ibuprofen, heparin, aspirin, diclofenac, clopidogrel, and naproxen. It is therefore necessary to consult a professional before taking krill oil supplements if you are on any medications.

 Krill oil Side Effects Liver

Krill oil

Krill oil helps improve your body’s cholesterol levels and combats inflammation. In a study published in the February 2011 issue of “Frontiers in Nutrigenomics,” researchers found that krill oil provided healthier benefits to liver RNA molecules than fish oil.

According to, alcohol and omega 3 should not be taken at the same time. Alcohol goes through the liver for detoxification, one of the detoxification byproducts, acetaldehyde destroys DHA and transforms EPA to a toxic form. It is for this reason that you should wait a few hours after drinking to take krill oil supplements.

Also, while taking krill oil supplements, you should keep off soft drinks with high fructose corn syrup. Since both sugar and krill oil are processed by the liver, having them at the same time will overload the liver which has the capacity to process 25 grams the equivalent of 100 calories per day.

If you take too much omega 3 supplements, not all of it will be processed. While the surplus circulates in the blood stream it may be attacked by oxygen may turn DHA and EPA into forms that can transform cholesterol into harmful forms.

Krill Oil Side Effects Itching

Just like other omega 3’s, krill oil may come with unpleasant effects. While fish oils are generally safe for most people, some may develop itching with or without body rash. If you experience itching as soon as you start taking krill oil supplements, it could be a sign that you are having an allergic reaction. This may come with skin rash or hives. Itching can be localized or general depending on how fast your body reacts.

Once you notice itching, you should stop taking the supplements. If you notice that the itching subsides after discontinuation, you should consult your doctor on allergy assessment for a possible sea food allergy. This goes for skin rash and hives as well.

Krill Oils Side Effects-Acne and Diarrhea

Does krill oil worsen acne? Ideally, krill oil should cure acne, however, some people have reported increase in breakouts after using krill oil. Development of acne as soon as you begin to take krill oil supplements may be a reaction or a hormonal imbalance that is caused by some ingredients or chemical additives in the krill oil.

Also, a large dose of krill oil may cause an imbalance and pimple break outs due to the high content of omega 3. People with oily skin can get cystic acne from Krill oil. If you experience skin breakouts with intake of krill oil, take 15-30 milligrams of Zinc Supplements daily and avoid any vitamin B12 supplements.

To avoid acne, buy high quality krill oil from established brands. Low quality krill oil can have chemical additives.

Does Krill Oil Cause Diarrhea? Digestive side effects are uncommon with krill oil. To effectively manage diarrhea while taking krill oil, revise the dose to twice daily or several times a week. It could also be the brand.

Mega Red Krill Oil Side Effects

Mega red krill oil is the most popular brand with 100% krill. It comes in soft gels with optimal combination of omega 3 and antioxidant astaxanthin. According to, mega red krill oil is harvested from sources that use eco-harvesting which ensure that only krill is harvested and not other marine animals.

Megared does not give any fishy aftertaste and also has been shown to significantly increase the omega 3 index in just 30 days.

A 300mg of megared krill oil soft gel contains,

  • 90mg of omega 3 fatty acids
  • 50mg EPA(eicosapentaenoic acid)
  • 24mg DHA(docosahexaenoic acid)
  • 130mg Phospholipids
  • 50mg Astaxanthin

Mega red krill oil side effects are significantly reduced compared to those experienced with other brands as it does not contain added sugar, milk or artificial colors.

More Interesting Article about Krill Oil

  1. What is Krill Oil? Studies &Uses for Dogs, Kids, Women
  2. Krill Oil Benefits: Health, Weight loss, Cholesterol, Triglycerides & Inflammation
  3. Krill oil Versus Fish Oil or Flaxseed Oil Is Krill Oil better than Fish Oil or Flaxseed?


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