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For many, this area is one of the least painful options available
Eur J Neurosci 32:241249
Older Adults: As we age, our ability to absorb B12 decreases, making injections a good option for maintaining adequate levels
Whether theyre appropriate for you depends on what condition theyre being used to treat, your medical history, the side effects they can cause, and other factors
This approach helps minimize lysine metabolism across the blood-brain barrier
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