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Although it is not known if prophylactic vitamin B 12 supplementation prevents deficiency, it seems prudent to monitor vitamin B 12 levels periodically in patients taking metformin

Unlike regular water, it contains a bacteriostatic agent that prevents microbial contamination, ensuring the integrity of reconstituted peptides for laboratory experiments

The safest response is to raise it with your GP or haematologist, who can look at your schedule, your dose and your original results together

Yen, a family doctor at Liansin Clinic in Taipei, told CNA that the recommended daily intake of vitamin B12 for people over 14 years old is 2.4 micrograms