The following symptoms of vitamin B12 deficiency are listed by Bupa: Feeling very tired Breathlessness even after little exercise Heart palpitations Headaches A reduced appetite A sore mouth and tongue Avoiding vitamin B12 deficiency Experts say adults aged 19 to 64 require around 1.5 micrograms (mg) a day of vitamin B12, and you should be able to get this through your diet
These two cover the majority of the human bodys B12 needs
see Using Fat-Dissolving Injections That Are Not FDA Approved Can Be Harmful
The light sensitivity of methylcobalamin has been known for a long time (Mehmood Y et al., 2015
Consultation and suitability checks Youll be asked about: Your symptoms and health history Any known deficiencies and relevant blood test results (if you have them) Current medications and supplements Allergies (including metal allergies such as cobalt) Pregnancy/breastfeeding status where relevant B12 injections are not a replacement for medical investigation when symptoms are significant, worsening, or unclear
A Vitamin B Complex injection is a sterile, injectable solution containing a combination of essential water-soluble B vitamins