Many people choose to supplement with these key nutrients involved in the maintenance of connective tissue and joint health. An excellent addition to Viridian's one-a-day 'High Five' multivitamin and mineral formula. The vegan source of glucosamine in this formula is Aspergillus niger. Glucosamine MSM Complex Veg Caps is part of the Viridian Nutrition range of nutritional supplements and beauty products dedicated to Purity, the Environment and Charity.