Dietary Supplement. With Vitamin D3. Supports bone health. Assists with joint health. Heart, brain & eye health Swisse Ultiboost Wild Fish Oil Concentrate + Vitamin D3 contains a premium source of omega-3 to assist with heart, brain, joint and eye health and vitamin D3 to support bone health.* Studies show omega-3 fatty acids can play an important role in helping maintain a healthy cardiovascular system by supporting normal circulation, blood pressure and cholesterol in healthy individuals.* Omega-3 fatty acids may be beneficial for joint health and are vital for vision. They play a structural and function.