Kangaroos are endemic to Australia. The Australian government estimates that 34.3 million kangaroos lived within the commercial harvest areas of Australia in 2011, up from 25.1 million one year earlier. As with the terms wallaroo and wallaby, kangaroo refers to a polyphyletic grouping of species. All three refer to members of the same taxonomic family, Macropodidae, and are distinguished according to size. The largest species in the family are called kangaroos and the smallest are generally called wallabies.
Vitamin B12 is an essential water-soluble vitamin that is commonly found in a variety of foods, such as fish, shellfish, meat, eggs, and dairy products. Vitamin B12 is frequently used in combination with other B vitamins in a vitamin B complex formulation.
Vitamin B12. Vitamin B12, or cyanocobalamin, is a sub type of vitamin B, which has to be taken from animal food products, and it is not available through vegetable products. This vitamin is required for the proper function of the brain, nervous system and the formation of blood cells.itamin B12 vs B Complex. Nutrition and nutritional supplements have come a long way from stored melons in ships to be given to journeying sailors to avoid the scurvy, to pop in the mouth tablets over the past two centuries.