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The study concludes that while both fish-sourced and krill-sourced omega-3 fats are effective in reducing fat levels, krill is more effective.
The researchers said the mechanisms of why this was the case had not been made clear in the study, but suggested long-chain polyunsaturated fatty acids (LCPUFAs) may reduce activity in the endocannabinoid system. The endocannabinoid system consists of a group of neuromodulatory lipids and receptors that influence appetite, pain sensation, mood and memory.