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Splitting the dose or adding a second daily injection is not part of the clinical protocol and may not improve outcomes

[DOI] [PubMed] [Google Scholar] 219.Fruebis J, Tsao TS, Javorschi S, et al

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This absence of hyperglycemic effects makes the peptide safer for individuals concerned about glucose metabolism, and the lack of IGF-1 elevation reduces theoretical concerns about cell proliferation

Taking an oral multivitamin on top likely wont cause harm because excess B vitamins are water-soluble and your body will excrete what it doesnt need