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The tripeptide sequence Gly-His-Lys forms a stable complex with divalent copper ions (Cu), largely through the imidazole group of histidine and additional coordination sites within the peptide backbone[1]

CMR was performed on a 1.5 T scanner (Siemens, Aera, Erlangen, Germany) with a dedicated cardiac coil

However, the medication itself can cause temporary increases in heart rate or blood pressure during the first few weeks as your body adapts to new hormone signaling

The difference was meaningful in research terms but small in absolute terms, which is why responsible framing presents AOD 9604 as a possible adjunct to diet and training, not a replacement for them