can b12 injections cause blood in urine Vitamin B12: All You Need to Know Vitamin B12: Symptoms, Dosage &

higher-dose oral therapy (1,0002,000 micrograms daily) may be considered as an alternative to injections in selected cases with adequate absorption For those taking supplements , consider these safety principles: Use supplements only when clinically indicated (confirmed deficiency or high-risk groups such as vegans, elderly, or those with malabsorption) In the UK, hydroxocobalamin is the preferred injectable form Avoid mega-doses without medical supervision

In addition, vitamin B12 only stays in the body for a limited time

Take the supplements consistently

Vision problems due to optic nerve damage

It weighs less than a tiny fragment of a grain of table salt