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Defined composition: Fixed amounts of each component to simplify comparative and combination studies

It represents the point at which bacterial inhibition from the benzyl alcohol begins to weaken, and peptide degradation from repeated temperature fluctuations (each time you take the vial out to draw a dose) accumulates to meaningful levels

Shimojo H, Ohtsuka T, Kageyama R (2008)

Our Certificate of Analysis (COA) includes HPLC purity analysis of the peptide content, mass spectrometry confirmation, dissolution testing to verify enteric coating performance, content uniformity testing across capsule samples, and microbial limit testing