Nutritional vitamins are a group of naturally occurring organic compounds which are responsible for regular metabolic function and general health and well-being. 13 different types of vitamins are universally recognized. Among them, vitamin B is considered distinctive, because it is not a single vitamin but a "complex" of natural compounds with similar structures and features.
Vitamin B12 is an important element of the vitamin B complex. It refers to a number of cobalt containing compounds generally referred to as "cobalamins". Unlike different B vitamins, meat and dairy products are the key food sources of vitamin B12 as it is almost completely absent in fruits and vegetables. Vitamin B12 deficiency is primarily brought on either by inadequate dietary intake (particularly in the case of vegans as their food regimen is free of meat and dairy products) or due to its impaired absorption. Vitamin B12 deficiency signs and symptoms are generally asymptomatic in the early stages; in due course it is known to result in serious neurological problems and blood conditions like pernicious anemia.
For the last 3 decades, b12 injections have been the mainstay in the medication of pernicious anemia and B12 deficiencies in general. Not too long ago oral, nasal and sub-lingual forms of supplementation have been introduced by pharmaceutical and nutritional corporations. Unfortunately, the oral capsule is quite useless because most of its vitamin B12 content is destroyed in the gut and the efficiency of nasal and sub lingual sprays has not been irrefutably proven so far. In consequence the injections remain the trusted form of B12 supplementation.
B12 injections can be differentiated by the active type of B12 that they have viz. Cyanocobalmin, Hydroxycobalmin and Methylcobalmin; with the last 2 being the most widely used. Moreover, these injections could either be intramuscular (IM) or subcutaneous. Physicians and medical specialists generally recommend the usage of subcutaneous injections as they have an inclination to gradually release vitamin b12 into the bloodstream unlike the IM injections which do it instantly, leading to wastage and incomplete supplementation.
Thus, vitamin b12 injections remain the most effective and reliable method of B12 supplementation presently available. Proper and timely use of these injections is important to protect a large number of people from critical neurological issues and other health issues.
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