Conclusion Vitamin B12 shots are used to overcome vitamin B12 deficiency, which is common especially among the elderly, those with intestinal damage or disorders, people with pernicious anemia, and vegetarians/vegans
Fact: Standard glutathione capsules have very low bioavailability and are mostly broken down by digestion
Ethics declarations Ethics approval and consent to participate All animal procedures were approved by the ethical committee of the West China Hospital of Sichuan University (No
The FDA typically takes 10 to 12 months to review new drug applications, suggesting a potential approval decision by late this year
Future research should prioritise long-term outcomes in high-risk groups, comparisons of physiological versus pharmacological dosages in healthy subjects, cost-effectiveness analyses, and adherence monitoring to inform clinical guidelines for the management and prevention of B12 deficiency