When your B12 levels are low, you may experience: Chronic fatigue and weakness Difficulty concentrating or memory loss Tingling or numbness in your hands and feet Mood swings or increased irritability Pale skin and shortness of breath B12 injections are a direct, effective way to restore optimal levels for those with malabsorption issues (such as people with gastrointestinal disorders, vegetarians, or those taking specific medications)
In practice, the administration route determines whether bacteria can reach target sites, survive, and activate appropriate immune programs
These effects are usually mild but may still impact daily life
The NUHS Internal Grant Funding under NUS starts-up grant NUHSRO/2022/047/Startup/11 and an MOE Tier 2 grant T2EP30124-0014
It lives in the body too
The cells were harvested by centrifugation (1000 x g , 2 min) and resuspended in lysis buffer (5% w/v 5-sulfosalicylic acid in 0.1 M potassium phosphate buffer with 5 mM EDTA (KPE buffer [35])) together with 425600 m-diameter acid-washed glass beads (Sigma) at a buffer/bead ratio of 1:2 by volume