Since there is no known hazardous threshold for vitamin B12, there is no upper limit
Although folate will keep your blood count normal even if your B12 is falling, the folate will not protect your brain and nervous system
While anyone with a B12 deficiency can benefit from injections, certain groups are more likely to require this treatment, including vegetarians and vegans who may not consume enough B12-rich foods, individuals with digestive disorders like Crohns disease or coeliac disease, those with pernicious anaemia that affects B12 absorption, people recovering from weight loss surgery or other gastrointestinal procedures, older adults whose ability to absorb B12 decreases with age, and individuals experiencing prolonged fatigue or low energy levels
Moreover, the results suggest that supplementation with vitamin B12 holds promise as a therapeutic approach for patients with VCD in the context of long COVID
By the end, youll have a clear, evidence-backed framework for deciding which compound best matches your goals, training phase, and competitive status
