The reason this substance is still available to purchase in the US is the labs, pharmacies, and companies selling the products claim the substance is available for purchase for research only
As medical science learns more ways that peptides can improve skin health and provide anti-aging benefits, there will likely be additional peptide therapies for these purposes
Trvidic P, Kaufman-Janette J, Weinkle S, et al
For this reason, supplementing with this amino acid may especially benefit endurance athletes, such as long-distance runners, swimmers or cyclists
While B12 can be found in foods like meat, fish, and dairy, some people struggle to absorb enough through diet alone