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Injections are often recommended for individuals with vitamin B12 deficiency, which can occur due to factors like dietary restrictions, certain medical conditions, or poor absorption of B12 from food

These usually resolve on their own but should still be monitored

[DOI] [PubMed] [Google Scholar] 212.Naylor R.J., Olley J.E

The convergent evidence from both scientific studies and community experience supports the synergy hypothesis
Zinc in the management of tinnitus

Cognitive and clinical outcomes of homocysteine-lowering B-vitamin treatment in mild cognitive impairment: a randomized controlled trial
