No UK Marketing Authorisation Identified No current UK marketing authorisation for a medicinal product containing 5-amino-1-methylquinolinium was identified in the official sources reviewed for this article
Age-related changes can affect your B12 levels Older adults can be susceptible to B12 deficiency because sometimes aging is concurrent with decreased absorption of the vitamin, Yourman says
Follow-up labs help show whether the injection schedule is working
For multi-dose vials used over weeks, bacteriostatic water is the standard because the benzyl alcohol preservative allows safe repeated draws without bacterial contamination risk
Other ways of supplementing with vitamin B12 include: oral tablets or capsules oral or nasal sprays drops for under the tongue Your doctor can provide advice on the most appropriate option for you
These deficiencies might be caused by many reasons, such as anorexia, lactation, stress, or overexertion