Fish oil has been a mainstay supplement for years. And why not? It’s well known for promoting a healthy heart and fighting high cholesterol, anxiety, macular degeneration and more. But what often gets overlooked is that there’s another, similar supplement out there that may be even more effective: krill oil. Like fish oil krill oil contains EPA and DHA fatty acids. Although in krill oil they take a more bioavailable form. Below are the 10 best krill oil supplements of 2018.