Tiredness, stress, ill-health, poor or limited diet will all reduce this absorption further. For some people, taking a vitamin B12 supplement is one of the easiest ways to maintain healthy levels
B12 injections are an effective and rapid treatment for your body to quickly and efficiently absorb the vitamin it needs (NIH, n.d.)
Effect of folic acid supplementation on homocysteine, serum total antioxidant capacity, and malondialdehyde in patients with type 2 diabetes mellitus
The Grading of Recommendation, Assessment, Development, and Evaluation (GRADE) tool was used to assess the certainty of the evidence for the two primary biochemical outcomesserum vitamin B12 concentration increase and homocysteine reductionacross all included studies, and separately for randomised controlled trials (RCTs) and observational studies
If youre looking for alternatives, its worth understanding options like liposomal B12 as a potential alternative
This direct delivery ensures nearly complete absorption, allowing for faster onset of effects and higher potency compared to oral supplements
