Common active ingredients include glucosamine and chondroitin for joint support; astaxanthin and vitamin C for vision and cognition; omega fatty acids or fish/cod liver oil for skin and heart health; and antioxidants such as CoQ10 for cellular and cardiovascular support.
Vision and cognition support often comes from antioxidants (for example, astaxanthin and vitamin C) combined with omega fatty acids, which are listed to help ocular health and mental alertness.
They are commonly offered as soft chews, liquid oils, and capsules.
