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If your B12 levels are already in the normal range, taking extra B12 on its own is unlikely to produce visible hair changes
If your doctor thinks you have pernicious anemia, theyll order a B12 test
Vitamin B12 warning: This sign when you pee could mean you're taking too many supplements VITAMIN B12 is an essential vitamin for the body, but some people may struggle to get enough so choose to take supplements to get their levels topped up
This long-lasting release is one advantage over oral B12 supplements
The challenge, as we will see in the clinical evidence section, is translating that theoretical appeal into measurable real-world results at a magnitude that matters
Presented for research literature review only Martos-Maldonado MC et al
