Research suggests that megadoses of two milligrams per day are safe for correcting a vitamin B12 deficiency
Contact a healthcare provider if you notice: Persistent or worsening neuropathy symptoms, such as tingling, numbness, burning pain, or weakness New or unusual side effects, including skin rash, itching, or acne-like breakouts Possible medication interactions, especially if you take metformin, acid-reducing medications, or other long-term prescriptions Changes in neurological function, such as balance issues, confusion, memory changes, or worsening coordination Recognizing these warning signs early helps prevent complications and supports better long-term nerve health outcomes
Clients are not permitted to take shots home with them
A research label, supplier statement or lack of medicinal approval does not remove anti-doping consequences
The human digestive system quickly breaks down water soluble compounds such as glutathione, so eating glutathione rich foods or taking oral glutathione supplements may not produce any clinically significant results