Healtheries Fish Oil 1500mg gives you 50% more sustainably-harvested, purity-tested fish oil than standard 1000mg capsules. Fish Oil is one of nature’s richest sources of Omega-3 fatty acids – the “good fats” that can help you with heart and joint health. You probably already know about all the benefits that can come with taking Fish Oil supplements. Heart, joint, skin and brain health – blood pressure and cholesterol – even help with stress and hormonal balance.