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(9) A Nakamura, T Sugao, K Yamaue, M Kobatake, et al (1989) Involvement of spinal noradrenergic system in the mechanism of an antinociceptive effect of delta-sleep-inducing peptide (DSIP) Brain Research, 1989 Feb 20, Volume 480 (Issues 1-2), Pages 82-6

You can try hydroxocobalamin as that is standard used by most of us and GPs

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People dont want to be labeled as a steroid user, and this is like skating close to the edge without crossing it. Putting such nuances aside, lots of people are suddenly skating close to the edge

The combined system enables examination of dualpeptide interactions, signalling behaviour, and structural responses within controlled experimental models