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Every vial is specified at greater than 99% purity and is USA sourced, as printed on the label artwork. Identity and purity are established by HPLC and mass spectrometry, and the resulting Certificate of Analysis is tied to the specific batch rather than to the product line. Alpha Gen is in review, so a document appears on the site only once the corresponding source file has been uploaded and checked — no COA is ever copied from another catalog to fill a gap.

A CoA is a laboratory document describing one specific batch, not the product in general. The figures worth reading are Purity, which should exceed 99%; Identity, which confirms the molecular sequence by mass spectrometry; and Endotoxin level, which should sit below 1 EU/mg. Batch documents are published per product as they are reviewed and uploaded.

Lyophilized (freeze-dried) compounds are exceptionally stable. For short-term storage under 90 days, a cool, dark environment at room temperature is sufficient. For long-term preservation, freezing at -20°C is strongly recommended. Repeated freeze-thaw cycles should be avoided in all cases, as they drive molecular degradation.

Lyophilized compounds hold their structural integrity for 2+ years when stored properly, either between 2°C and 8°C or frozen at -20°C. Keep vials out of direct light and away from repeated temperature fluctuations.