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What they do reasonably well: COAs are listed on most product pages Purity claims of 97-99% are in line with stated industry norms Products arrive lyophilized and appropriately sealed Batch numbers are present on vials Where the concerns are: Not all COAs clearly identify the independent lab that performed testing — some lack lab names or verifiable contact information Community reports of COAs appearing to repeat across multiple batches, which would indicate non-batch-specific testing Mass spectrometry data is not consistently provided — some products show HPLC percentage only, which is a lower evidentiary standard No batch-matching tool to independently verify your vial against a published lab report In the current market, this documentation standard is below what the best vendors offer
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For anti-aging protocols, useful measurements include inflammatory markers, immune function parameters, and potentially telomere length if testing is accessible
