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If you see persistent pain, redness, or itching at the site of the injection, mild diarrhea, swelling sensation in your body, or temporary itching in your skin, contact your doctor immediately
What are the side effects of peptides
AHK-Cu emerged later as researchers explored variations on the original copper-binding tripeptide structure, swapping the glycine residue for alanine to see how the change affected biological activity
Theres no recommended upper limit for B12, so overdosing is not a concern
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