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Some companies focus heavily on marketing while providing very little transparency about sourcing, purity, manufacturing standards, or testing

Protein damage tryptophan fluorescence (decrease in OD)

Store in a cool, dry place away from light and heat, out of reach of young children

$112.25 $112.25 Unit price per Westend Medical Sterile Water for Injection, USP 10 mL (1 bottle) $8.75 $8.75 Unit price per EXPIRATION DATE: 31 OCT 2028 On Manufacturer Allocation Brand: Hospira Dispensed in a 10mL, plastic, single-dose vial

At 120 days, it dropped to 0.713%

Multiple vials : Consider buying 30ml bottles (last through full protocol)