Fish oil benefits happen as a result of the long chain omega 3 fatty acids EPA and DHA found in Fish Oil. These are not found in flax seed or other vegetable oils. Scientific evidence reveals a diet rich in long chain omega-3 fatty acids helps support healthy joint movement, a healthy immune system, a balanced mood and sense of well being, healthy kidneys, a healthy brain, strength and stamina and helps maintain cholesterol levels that are already within the normal range.