Sent GLOW, KLOW, and the TB BPC blend to a lab after 30 days refrigerated., 99.6% purity before. 99.6% purity after., Same milligram content. No measurable degradation., These blends are KLOW Blend: Advanced Peptide Therapy for Healing, Inflammation & Cellular Renewal Rejuvia Wellness and Medical Spa Dallas The Power of Peptides in Skincare Medik8 Most Powerful Peptide for Muscle Building and Physical Performance (Mitochondria Enhancer) Experience KLOW Peptide Results in Just 2 Weeks Glow Peptide Injection: Revolutionizing Skin Rejuvenation Hubmed