Animal models showing dramatic retinal preservation following peptide treatment may not replicate in humans due to species differences in receptor expression, metabolism, or disease pathology
Freemont, A
However, some women may experience: Changes in menstrual bleeding (such as spotting, breakthrough bleeding, or missed periods) Mild nausea Breast tenderness Headaches Mood changes Bloating Dizziness Changes in weight or appetite This is not a full list of side effects, interactions, or warnings, and it should not replace medical advice
Storage is critical: Retinol degrades with light and heat Copper peptides also degrade with heat MUST refrigerate after opening MUST protect from light (opaque container) Shelf life shorter than single-ingredient products Traveling with copper peptides Travel creates storage challenges
The medication did not appear particularly cold when it arrived
Beyond on-target injury, off-target interactions further complicate translation