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Once neurological symptoms appear, deficiency may already be advanced - but treatment can still be highly effective when started promptly

Key risk factors of vitamin B12 deficiency include: Decreased ability to absorb vitamins as a result of low hydrochloric acid secretion Certain medications Gastrointestinal disease and surgeries Vegans are also at a higher risk of vitamin B12 deficiency Can You Have Too Much Vitamin B12

For hematocrit and reticulocyte counts, recommendations are to repeat these tests daily from the 5th to 7th days of treatment and then frequently until the hematocrit returns to a normal range (11, 14, 15)

While it ensures direct systemic absorption, it is less patient-friendly and may result in reduced treatment adherence

Its FDA-approved for reducing visceral adipose tissue, particularly in HIV-associated lipodystrophy, but its effects translate well for general fat loss in the abdominal region