Lambert’s Iron for Vegans Lamberts Vegan Iron Complex contains Iron and vitamin B12 which contributes to a reduction in tiredness and Fatigue and the normal function of the Immune System. 120 Tablets. Combined with USP grade lysine. Suitable for vegetarians & vegans. A tummy friendly food supplement. Disintegration time: less than 1 hour. Iron (as bisglycinate) gentle on the stomach. With B12 as methylcobalamin for optimum absorption. Lamberts Vegan Iron Complex features the active ingredient iron as bisglycinate, a form of iron which is tolerated well by sensitive stomachs, and B12 as methylcobalamin, which is also well absorbed. Combined with USP grade lysine, an amino acid most abundant in animal-based foodstuffs, Lamberts Iron Tablets make for the perfect Food supplement for those following a vegan or vegetarian diet.