ghk-cu oral clinical trial Copper Peptide Supplement, Anti-Aging & Hair Growth Support, Improves Skin Elasticity & Firmness, Thicker, Fuller Hair, Easy Absorption, Precisely Dosed, 90 Vegan Capsules : Health & Household Oral Liposomal Copper GHK -

This function helps to preserve cellular health, contributing to overall well-being and longevity

doi: 10.1038/sj.onc.1207074

If this wears away, tingling sensations, numbness and a burning feeling in limbs can occur along with memory problems and mood disorders

Aug 2015;50(2):250-256

Anti-inflammatory and analgesic-related mechanisms Anti-inflammatory effects of kratom have been demonstrated almost exclusively in LPS-stimulated RAW264.7 murine macrophages and primary peritoneal macrophages, using standardized 24-hour incubation paradigms

While you could try to do some blood testing etc etc to see if maybe you could stand to benefit, by the time you spend the money to do that, you might as well just do a trial for the same or less cost and definitely less time and hassle