Whats the difference between fish oil and krill oil?
Recently, some companies have started selling krill oil supplements as a source of omega-3. Krill are shrimp-like crustaceans that are a crucial link of the marine food chain, and concerns about the ecological impact of increased fishing of krill has resulted in krill fishing being banned on the West Coast of the US and strictly limited in Norway and Antarctica. In contrast, fish oil supplements are predominantly produced from sardines and anchovies—species that are currently in abundant supply, fished well below mandated limits, and are considered ideal for sustainability, given their short reproductive cycles. Fish oil is not only a more sustainable source for omega-3 supplements, however—it also generally provides a higher concentration of omega-3, is much more stable, and is backed by much more science than krill oil. To date, there are only 3 published human studies conducted with krill oil, whereas fish oil—when manufactured according to international quality standards—has a prov
