Vitamin B12 also works with folate (vitamin B9) to produce one amino acid Methionine (a crucial building block of proteins necessary for a state of a healthy body) and another amino acid SAMe which controls mood and supports immune function
The effects of a B12 shot typically last from 48-72 hours, though some people can experience benefits for several weeks to months
The choice between Vitamin B12 supplements vs injections depends on several factors, including: Your needs: If you have a severe B12 deficiency or require rapid B12 replenishment, B12 shots may be the more effective option
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Your review * Nice info Interested Done I just started but after my first injection Im happy to report I got zero of the negative side effects that can happen