melanotic mucosa in the entire colon Brilliant Colonic Adenoma Melanosis Coli | Indian Journal of Surgery Melanosis coli - Wikipedia

Of course, not saying that you do have it, but best to see your doctor, to be sure I've seen a couple of posts on here from people self injecting saying their iron levels are high

Research indicates that TB-500 injections can be used at any time of day and do not need to be taken on an empty stomach .[1] This flexibility makes TB-500 particularly appealing for busy individuals who struggle with rigid supplement schedules

Others need 250mcg to notice anything

Reported Limitations and Considerations in GHK-Cu Research Gaps in the Current Evidence Base Despite a substantial pre-clinical record, GHK-Cu lacks large-scale human clinical trial data for most reported applications