Omega-3 is a polyunsaturated fatty acid, a substance that cannot be synthesised by the body and needs to be incorporated into the diet. Omega-3 is generally found in oily fish and some vegetable seeds, such as flax, chia or walnuts. While the keto diet may contain omega-3 naturally, many keto foods are also high in omega-6, which can upset the balance between the amount of omega-6 and omega-3. The proper ratio is 1:1
