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Griffin H, Sullivan SC, Barger SW, Phelan KD, Baldini G
Frasch et al
Facilities like those used by Real Peptides follow ISO-certified protocols, maintaining strict environmental controls during synthesis and storage
Regarding plasma B12 - this is not the case, serum B12 often remains highly elevated (well over the normal range) even while symptoms return - this is why testing B12 once treatment begins is not recommended
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