ghk-cu peptide effects research Copper Regeneration Review (2018) — Summary GHK-Cu Peptide | Benefits, Dosage,
Description
In certain cases, a Vitamin B12 deficiency can impair brain function and even lead to depression, so its vital to ensure that your supplies of this important micronutrient are plentiful

So far, not a single study has shown that vitamin C prevents the absorption of B12

The relevance of clinical pharmacokinetics and therapeutic drug monitoring: anticonvulsant mood stabilizers and antipsychotics

Gastroenterology 165 , 11971205 (2023)
The most common side effect is injection site redness, pain, swelling, or irritation
