According to the Lilly statement, this discovery is concerning because nothing is known about the short- or long-term effects of this molecule in humans, or whether there are any potential impacts on the drugs efficacy, toxicity, or immune reactions
Eur J Obstet Gynecol Reprod Biol
Unlike full HGH, it does not raise IGF-1, does not affect blood sugar, does not stimulate growth in non-fat tissue, and does not interfere with the pituitary's own growth hormone signalling
2011 Aug;94(8):4016-27
However, in most other countries, including the United States, Australia, the United Kingdom, and Canada, you cant get B12 injections over the counter at all
Heart Help: One of the primary reactions of methylcobalamin in the body is to convert homocysteine to methionine high homocysteine levels are undesirable and known to be an in dicator of heart disease and stroke risk due to the fact free homocysteine in the blood causes sclerosis of the arteries, putting strain on the vascular system and the heart