Systemically, because it involves copper, there is a theoretical risk of copper overload with prolonged, high-dose use without proper cycling
Research Highlights Tissue Regeneration & Healing Accelerated recovery of muscles, tendons, ligaments, and bones through increased cellular repair and collagen synthesis
What are B-12 injections, and how do they work
However, there is no one-size-fits-all answer
Seven to nine hours of sleep is a good starting point, but if you feel tired during the day, you may need more sleep than that, says Dr
While the debate between local and systemic sites will likely continue, the principles that truly govern successful outcomes are far less debatable