The Hayflick limit and why telomere length matters In 1961, Leonard Hayflick demonstrated that normal human cells have a finite replication capacity of approximately 50 to 70 divisions, after which they enter senescence or apoptosis
If you increase your dose to get results, you are also increasing your exposure to potentially impure substances
Individuals with Gut Absorption Issues : Conditions like Crohn's disease, celiac disease, or pernicious anemia (an autoimmune condition where the body can't produce intrinsic factor, a protein needed for B12 absorption) can significantly impair B12 uptake
When you are giving a B12 injection subcutaneously, you pinch the fat to make sure youre only penetrating the subcutaneous tissue (or the innermost layer of skin) and pull it away from the muscle, then insert the needle
Radeljak S, Seiwerth S, Sikiric P