Answer
Folic acid can improve blood-count changes while neurological damage from vitamin B12 deficiency continues, potentially delaying diagnosis.
Sources for this answer
- Folic Acid 5 mg Tablets 28's (POM) (PL 43461/0091) — Current selected SmPCemc · Summary of Product Characteristics
- NHSNHS · NHS medicine guidance
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.