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The injection uses a very fine needle (30-gauge, similar to an insulin needle) and is administered into the side of the penis, which has fewer nerve endings than other areas
PubMed Johansen, P.B., Nowak, J., Skjaerbaek, C., Flyvbjerg, A., Andreassen, T.T., Wilken, M., & rskov, H
An investigation into a proprietary Vitamin B12 preparation derived from Streptomyces griseus fermentation liquors found that side effects warranted further inquiry to determine the exact cause
Its important to ensure that the correct reagent is used for each situation, as using improper reagents can affect solubility or stability of the peptide solution
If you are a strict vegetarian or vegan and do not eat any meats, dairy foods, or eggs, you will not get enough vitamin B12 from your diet alone
occasional mild injection-site reactions (redness, itching) may occur with subcutaneous administration
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