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Oral vitamins can only lead to about 30 percent absorption rate, which isnt ideal for individuals who arent getting enough vitamins as it is

This peptide has also not been approved by the FDA for human consumption and should be used for research purposes only

This relaxation could lead to better blood flow and, in turn, improved erectile function

We do not guarantee any results from the use of vitamin, amino acid or peptide injection for any reason

Peer review Peer review information Nature Communications thanks Rudolf Oehler, Robert Hoffman and the other, anonymous, reviewer(s) for their contribution to the peer review of this work