b12 supplements compared to injections Vitamin vs. Oral Supplements: Which is Better? A lipotropic plus B12 injection to support fat metabolism and steady energy alongside your weight management plan B12 Injections vs. Supplements –

A couple of 'things'': it is possible to have anaemia and haemochromotis at the same time (though you don't have a low Hb), there are conditions called iron out of balance and functional iron deficiency (associated with low or dropping ferritin), which can be caused by autoimmune disease, PA, absorption problems, coeliac disease, absorption problems and issues to do with gene mutations (HFE gene, mutations C282Y, H63D, and S65C) - and many other things as well

Wang W, Balamurugan A, Biddle J, et al

CARDIOVASCULAR FUNCTION: By promoting better oxygen utilization and cardiovascular efficiency, SU-PER B-15 supports normal cardiovascular function, ensuring optimal health during rigorous training and competition.

Oral vitamin B12 (Cochrane Database of Systematic Reviews)