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Deficiency of vitamins may cause anemia and other nerve problems
We will ask about any persistent tiredness, unusual nerve sensations, memory issues, or mood changes
These early indicators confirm biological activity and support continued adherence during the extended timeline required for hair-specific results
Most people describe a B12 shot as a quick pinch or mild sting that lasts only a few seconds
If multiple symptoms from this list feel familiar, a serum B12 test offers a straightforward path to answers
After adding all water, do not shake the vial
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