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Unfortunately, studies on this topic have mainly focused on normalising serum B12 concentrations with oral supplementation and should be interpreted with caution since the specific goal of treatment in symptomatic B12 deficiency is alleviating symptoms, and NOT to normalize B12 concentrations in the blood

Other reviews uncovered similar limitations: For musculoskeletal injuries, the studies in people are too sparse and low quality to pin down whether the peptide works or what risks it poses

Mar 20 2017;9(3)doi:10.3390/nu9030306 Mizutani D, Onuma T, Tanabe K, et al

Causal effects between gut microbiome and myalgic encephalomyelitis/chronic fatigue syndrome: a two-sample mendelian randomization study

Keep the pen cap on until you're ready to use it

A value of P 0.05, Fig