Yes, some patients experience temporary fatigue as their body adjusts to therapeutic B12 doses and metabolic processes reactivate
Their licensed professionals use intramuscular injections for better absorption than oral supplements
From there, your GP can help you work out what support makes sense
Short-Term : Improved focus, sleep, and reduced fatigue over a few days to a week Ongoing : With regular sessions (weekly or monthly, depending on your levels), B12 benefits accumulate, supporting mood, immune health, and cognitive function
Multivitamin mineral supplementation in patients with chronic fatigue syndrome
Genetic variants related to the immune system and autoimmune diseases increases the risk of pernicious anemia