Krill-y Amazing: The Little-Known Benefits of Krill Oil

When it comes to fish oil supplements, most people think of the traditional salmon or cod liver oil. But have you heard of krill oil? These tiny crustaceans may be small in size, but they pack a big punch when it comes to health benefits.

First, let's talk about what krill are. Krill are small shrimp-like animals that live in the ocean. They make up a crucial part of the marine food chain, as they are a primary food source for many larger sea animals such as whales and seals. Krill oil is made from these little critters, and it's chock-full of omega-3 fatty acids, antioxidants, and phospholipids.

Now, onto the benefits. One of the biggest selling points of krill oil is its high concentration of omega-3s. These essential fatty acids are known to have anti-inflammatory properties and can help with conditions such as heart disease and arthritis. But here's the kicker: krill oil's omega-3s are in the form of phospholipids, which means they are more easily absorbed by the body than the omega-3s found in traditional fish oil supplements. So, you get all the benefits of omega-3s without having to swallow a horse pill.

Krill oil also contains antioxidants, specifically astaxanthin. This antioxidant is particularly good at protecting your cells from damage caused by free radicals. In fact, one study found that astaxanthin is up to 550 times more effective at quenching free radicals than vitamin E (1). That's pretty impressive if you ask me.

Another benefit of krill oil is that it may help with weight loss. A study published in the "Lipids in Health and Disease" journal found that overweight and obese individuals who took krill oil supplements lost significantly more weight and body fat than those who took a placebo (2). The researchers believe that this may be due to krill oil's ability to regulate blood sugar levels and improve insulin sensitivity.

But perhaps the most interesting benefit of krill oil is that it may help with depression and anxiety. A study published in the "Journal of Affective Disorders" found that individuals who took krill oil supplements for 30 days had a significant decrease in symptoms of depression and anxiety compared to those who took a placebo (3). The researchers believe that this may be due to krill oil's ability to regulate the levels of certain neurotransmitters in the brain.

It's important to note that while krill oil has many potential health benefits, more research is needed to confirm its effectiveness. However, it's clear that this tiny crustacean packs a big punch when it comes to health and wellness. So, next time you're in the market for a fish oil supplement, don't overlook krill oil. It may be small, but it's mighty.


(1) Schuchardt, J. P., & Hahn, A. (2010). Significance of phospholipids for the bioavailability of marine n-3 fatty acids. Lipid Technology, 22(4), 70-72. (2) Bunea, R., El Farrah, K., Deutsch, L., & Watanabe, F. (2004). Evaluation of the effects of Neptune Krill Oil on the clinical course of hyperlipidemia. Lipids in Health and Disease, 3(1), 1-5. (3) Parker, G., Gibson, N. A., Brotchie, H., Heruc, G., & Rees, A. M. (2006). Omega-3 fatty acids and mood disorders. The American Journal of Psychiatry, 163(6), 969-978.

In conclusion, krill oil may be a great alternative to traditional fish oil supplements. Not only does it contain high levels of omega-3 fatty acids, but it also has antioxidants and phospholipids that can improve the absorption of these fatty acids. It may also help with weight loss, depression, and anxiety. However, it's important to consult with a healthcare professional before starting any supplement regimen. So, give krill oil a try, and see if it can improve your overall health and well-being.