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[55] If nervous system damage is present and blood testing is inconclusive, a lumbar puncture may be carried out to measure cerebrospinal fluid B 12 levels

Today, we reveal whether now is the right time for you to get a vitamin B12 injection

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Research demonstrates that collagen peptides working through TGF-/Smad3 pathway activation can reduce MMP-3, MMP-13, MMP-2, and MMP-9 activity while increasing procollagen synthesis, attenuating the collagen degradation characteristic of photoaged skin

There is no standardized human protocol, so a physician should set your dose based on your condition, body weight, route, and goals