what are benefits of b12 injections Boost Your Energy with Vitamin Pain Relief, Mental Health, and

Injection site pain, redness or swelling may occur (local inflammation)

But folic acid does not correct the progressive damage to the nervous system that vitamin B12 deficiency also causes

NAD+/NADH ratio assays, SIRT1 activity assays, and mitochondrial respiration measurements (such as oxygen consumption rate via extracellular flux analysis) are standard methods for studying this combination's proposed effects in cell-based models, typically comparing single-compound and combined-compound treatment conditions against untreated controls

The thigh is best and most advisable for anyone who is self-administering a B12 shot