Oral supplements are the most convenient daily option, though they have lower bioavailability than injections (due to digestion and metabolism)
Particularly the pyruvate dehydrogenase kinase isoenzyme-4 gene encodes PDK that converts pyruvate, CoA and oxidized nicotinamide adenine dinucleotide (NAD+) into acetyl-CoA, the reduced form of nicotinamide adenine dinucleotide (NADH) and carbon dioxide
A simple blood test will reveal how much you need to function optimally
Common Symptoms of a Vitamin B12 Deficiency If you think you may be low, watch out for these symptoms: Feeling tired, fatigue and weakness Loss of appetite Constipation Weight loss Megaloblastic anemia Numbness and tingling Poor balance or coordination Confusion Memory loss Depression (21) Soreness of mouth and/or tongue (22) Be aware that many symptoms of B12 deficiency overlap with symptoms of other health conditions, so it's important to see your doctor for a definitive diagnosis
They are not replacements for medical supervision
However, for health-conscious individuals who want to actively support their energy, vitality and overall wellbeing, a vitamin B12 injection at our Doncaster clinic is a simple, quick and well-tolerated option
