Scale back on either frequency or concentration if you notice redness lasting more than a week
You may also experience some other reactions immediately after the injection is administered
While some peptides have shown promising results in laboratory and animal research, that is not enough to conclude that they are effective in humans
When injected, B12 is more easily absorbed as it bypasses your gut and instead enters the bloodstream directly
Oxidative eustress means good stress and is characterized by low to mild levels of oxidants involved in the regulation of various biochemical transformations such as carboxylation, hydroxylation, peroxidation, or modulation of signal transduction pathways (Forman et al
For people with cobalt allergy (which is more common among people with nickel allergy) who are also at risk of vitamin B12 deficiency, the "general advice seems to be 'take just enough but not too much,' which isn't too different from dosing advice for all vitamins and drugs" (via ACSH)