A deficiency in vitamin B12 can lead to a range of symptoms, including fatigue, weakness, numbness or tingling in the hands and feet, difficulty walking, and memory problems
They may arrange blood tests to evaluate: Inflammatory markers (ESR, CRP) to detect active inflammation Rheumatoid factor and anti-CCP antibodies if inflammatory arthritis is suspected Full blood count to assess haematological response to B12 treatment Thyroid function tests , as thyroid disorders commonly coexist with B12 deficiency Note that serum B12 levels are not typically measured to assess treatment adequacy once replacement therapy has begun, as they may not reliably reflect tissue stores
These include vaccines, hormones, antibiotics, etc
The Journal of Biological Chemistry, 289(28), 1950819518
Mix equal volumes of each peptide solution immediately before use