Copper accumulation is theoretically possible with long-term, high-dose use, particularly in individuals with genetic copper metabolism disorders like Wilsons diseasethough the copper content in therapeutic GHK-Cu doses is minimal compared to dietary intake
That may include stool tests, blood work, and symptom tracking over time
Li W et al., J Pain Res 2020 Methylcobalamin for post-herpetic neuralgia meta-analysis
Sadly, many nootropics contain at least one ingredient with questionable research behind it
By replenishing B12, these injections can help increase alertness, focus, and stamina, promoting a greater sense of well-being
This article outlines an approach to interpreting and working up a high serum B12 in adults by separating four possibilities: intake-related elevation, disease-associated hypercobalaminemia (an elevated blood B12 associated with an underlying condition), analytical interference, and functional deficiency