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When B12 is deficient, a buildup of methylmalonic acid occurs, which is toxic to the nervous system and contributes to neuropathy
Read our research peptide safety guide for a broader look at COAs, sterility, vendor transparency, and why injectable research compounds need extra caution
Have sluggish thyroid function but are not candidates for thyroid hormone therapy
On the other hand, this healing evidence as such (Klicek et al., 2008
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