Zynano BDK Veg Mini Cap Vitamin D3 as Lichen Sourced Cholecalciferol 30 mcg Vitamin K2 as K2_7 Menaquinone 110 mcg Vitamin B12 as Cyanocobalamin 4.4 mcg -Lichen Vitamin d3 (Vitashine UK) Zynano BDK Contains best absorbed form of Vitamin D i.e Vitamin D3 (Cholecalciferol) with the added benefit that it is Sourced from Lichen (Plant) under brand Vitashine from UK that offers better absorption -Zynano BDK Contains Vitamin K2 as Menaquinone 7 Sourced from Fermented Chickpea, Which is absorbed more readily by our body compaired to other forms, Vitamin K Helps in Vitamin D3 absorption,Calcium deposition towards bones & Prevents circulation calcium levels -Zynano BDK Contains Vitamin B12 as naturally Occuring Cobalamin from beetroot & spinach The body absorbs a small percentage of vitamin B12 from supplements, and absorption rates decrease at higher doses. At doses of 500 mcg, absorption is around 2%, and at 1,000 mcg, it's about 1.3%.But at Dosage of 4.4mcg,its about 55% However, the B12 molecule is too large to cross from the gut to the blood unaided. It needs to be carried across the gut wall by a special protein called Intrinsic Thus as far oral Vitamin b12 is concerned little is much, but on regular basis being it as water soluable vitamin