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Preserve Samples with Confidence Bacteriostatic Water (Sterile, 0.9% Benzyl Alcohol) Composition: Sterile water for injection 0.9% benzyl alcohol (as preservative) Function: Inhibits bacterial growth in reconstituted solutions Maintains stability of peptides, hormones, and laboratory reagents Storage: Store at controlled room temperature (2025C) Protect from light and contamination Intended Use: Laboratory research applications Reconstitution of lyophilized compounds Note: This product is supplied for in vitro use only.

That's the '-Cu', it's why the powder is blue, and it's the form most studies use

Nature 503 , 267271 (2013)

Many providers use Tesofensine as an add-on rather than a replacement because it helps increase energy expenditure while the GLP-1 continues appetite regulation