Increased energy levels Vitamin B12 deficiency is common
Drowsiness, weakness Nerve injury accompanied by tingling and numbness in the hands and legs Loss of memory, confusion Dementia Depression Seizures Recommended Amounts of Vitamin B12 For men and women 14 years of age and older, the Recommended Dietary Allowance (RDA) is 2.4 micrograms (mcg) per day
Wellness 14 July 2025 8 min read Injecting B12 into fat: the 4 body areas that work best By Alaiyka Parvez Owner, CoLaz Aesthetics Clinic The short version Injecting B12 into fat means placing it in the subcutaneous layer, the soft fatty tissue between your skin and muscle, rather than deep into a muscle
Some GPs still adhere to this criteria and NICE Guidelines bizarrely reinforce it for patients diagnosed with CFS and ME too
doi:10.2174/092986710791299911 Zhu X, Su B, Wang X, Smith MA, Perry G
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