Realworld data back this up
Potency and sterility testing are non-negotiable
Enns, GM, Moore, T, Le, A, Atkuri, K, Shah, MK, Cusmano-Ozog, K, Niemi, AK, Cowan, TM 2014, Degree of Glutathione Deficiency and Redox Imbalance Depend on Subtype of Mitochondrial Disease and Clinical Status, The Public Library of Science One , vol
doi: 10.1016/j.bcp.2023.115598 Ahmed, Jamila, Walker, Andrew A., Perdomo, Hugo D., Guo, Shaodong, Nixon, Samantha A., Vetter, Irina, Okoh, Hilary I., Shehu, Dalhatu M., Shuaibu, Mohammed N., Ndams, Iliya S., King, Glenn F
The broad applicability of GHK-Cu across different tissue types underscores its fundamental role as a regenerative signal of the body
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