There exist two major bioactive forms of vitamin D, referred to as ergocalciferol, or Vitamin D2, and cholecalciferol, or Vitamin D3
Lab personnel should receive initial comprehensive training upon hiring and regular refresher training sessions, at least annually
Oral bioavailability: Lowest traditionally
The injectable GHK-Cu peptide has some promising science, but its currently not approved for systemic use by the FDA
Vitamin B12 supports endurance through three mechanisms: red blood cell production that drives oxygen delivery, nervous system myelin synthesis, and converting carbohydrate and fat into ATP
BMC Immunol (2017) 18(1):8