Academic websites, medical journals and government health websites are all very strong and reliable sources to learn more about vitamin B12. Often, these websites and journals are peer-reviewed and have been approved by ... More »

www.reference.com Health Medications & Vitamins Vitamins & Supplements

Vitamin B12 supplements treat and prevent vitamin B12 deficiency, states WebMD. The supplement may also help with a variety of other conditions, including pernicious anemia, memory loss, heart disease, osteoporosis and i... More »

www.reference.com Health Medications & Vitamins Vitamins & Supplements

Vitamin B12 is one natural remedy that consumers use to treat tiredness, according to WebMD. The list also includes other natural remedies for fatigue, such as American ginseng, astralagus, black currant, evening primros... More »

www.reference.com Health Medications & Vitamins Vitamins & Supplements

Injectable vitamin B12 can be purchased without a prescription from several online sources, including ushcgshots.com, b12-shot.com and aminopharmaceuticals.com. These websites ship within the United States and offer both... More »

The Linus Pauling Institute indicates there is no upper tolerable limit established for vitamin B12 by the U.S. Food and Nutrition Board due to a lack of toxic effects associated with high levels of vitamin B12 intake, a... More »

www.reference.com Health Medications & Vitamins Vitamins & Supplements

WebMD indicates that vitamin B12 is mainly used for the treatment and prevention of vitamin B12 deficiency, diseases resulting from vitamin B12 deficiency and pernicious anemia. Additionally, this vitamin is used to redu... More »

Injections of cyanocobalamin, or vitamin B12, normally get administered daily to start. They are then given every other day for two to three weeks, and then monthly to treat pernicious anemia, according to Drugs.com. Adu... More »