Option 1: Discard and mix fresh Cost: Price of new vial Benefit: Guaranteed full potency Risk: None (besides cost) Option 2: Continue using Cost: None (already paid for) Benefit: Don't waste remaining peptide Risk: 10-15% potency loss means 10-15% less effectiveness Calculation: If vial costs $50 and you're at day 35 with half remaining, you're deciding whether to waste $25 to guarantee full potency, or accept 10-15% reduced effectiveness
Shaking creates foam, and foam means air-liquid interfaces where peptide molecules unfold and lose their three-dimensional structure
The samples were diluted by 100 times and measured using LCMS in the selective ion mode
Research supplier reputation in peptide communities
However, the researchers the trial was marked as completed, but in 2016 they cancelled submission of the results never published the results This is a red flag: we dont know if an issue or toxicity was discovered, or if it was simply a business decision
At the starting 0.25 mg/week dose, effects are usually mild