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Each production lot is independently characterized using high-performance liquid chromatography (HPLC) and liquid chromatographymass spectrometry (LCMS) protocols
Contact your GP for B12 testing if you have: Symptoms suggesting deficiency (persistent fatigue, pins and needles, memory problems, glossitis) Risk factors for deficiency (vegan diet, gastric surgery, long-term metformin or proton pump inhibitor use) [1] [4] Concerns about whether your current supplementation dose is appropriate Underlying conditions affecting B12 metabolism (kidney disease, liver disease) Unexplained high B12 levels on a blood test when not taking supplements Routine monitoring is essential for patients receiving therapeutic B12 injections
If the sit and chill time means back to back Christmas films on Netflix, then I'm good with that I'm pretty sure that I've been deficient for 25 years, so yes, my body has a bit of work to do
2019 Jan;22(1):E45-E52
While B12 plays a role in cellular energy metabolism, supplementing B12 in a patient who is not deficient does not increase metabolic rate or cause fat loss
This is uncommon, but it is a reason to address a deficiency before it progresses
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