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Implications of Bariatric Surgery on Absorption of Nutrients and Medications Malabsorption of medications caused by surgical GI-tract changes is a potential problem

This is what makes bacteriostatic water the long-established standard diluent for reconstituting lyophilized research peptides such as BPC-157, retatrutide, GHK-Cu, and tirzepatide

doi:10.1089/thy.2016.0635

Sublingual administration, which bypasses the gastrointestinal tract, appears to be equally effective as IM injections while being less invasive and more cost-efficientparticularly in patients with atrophic gastritis, post-gastrectomy status, or conditions that impair intrinsic factor-mediated absorption, where long-term intervention is often required