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This is called vitamin B12 neuropathy
Common causes include: injecting air into the vial during mixing, shaking instead of gently swirling, or using non-sterile bacteriostatic water
For some people, the daily pill is genuinely easier
Inhibiting the enzyme is therefore investigated as a route to preserving both methyl donor pools and NAD+ availability, with downstream effects on sirtuin-dependent signaling
This is in direct conflict with the lived experience of patients who feel their symptoms returning as the effects of the last injection wane
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