Uncertain side effects and safety profile
Your Overall Health Underlying health conditions, such as gastrointestinal disorders (like Crohns disease, celiac disease, or atrophic gastritis) that impair nutrient absorption, or certain medications you may be taking, can influence how your body absorbs and utilizes B12
Since B12 deficiency affects such a wide range of bodily processes, treating it promptly is crucial
The evidence: Getting et al
(2010), topical GHK-Cu achieves adequate skin penetration to exert biological effects on dermal fibroblasts and the epidermal-dermal junction
Sequencing was performed using a HiSeq 2500 (Illumina), with a read length of 300 bp paired-end reads and at least 25,000 tags per sample