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Leaving them out is one of the most common criticisms aimed at older GHK studies, and its the fastest route to a result that wont replicate

Varatharaj et al., 2019)

You may benefit from a clinical assessment if you: Experience ongoing tiredness or low energy Follow a vegetarian or vegan diet Experience brain fog, poor concentration, or memory issues Have been advised you may be at risk of deficiency Take medicines or have conditions that may affect absorption (your prescriber will review this) Those with dietary risk factors, absorption issues, or a history of low B12 may be more likely to benefit however, suitability is confirmed during consultation

And I love SPMs, you mentioned them

Trimetazidine improves mitochondrial function beyond ischemic damage