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Description
Low vitamin B12 levels in older adults, children, vegans, vegetarians, people who had gastric bypass surgery, breastfeeding women, and diabetic people

Recently, studies have shown a correlation between the use of vitamin B12 injections and a decrease in the amount of pain experienced by a patient in the lower back
The bladder wall becomes thicker and irritable

It depends on the claim

In cases where oral supplements aren't sufficient, methylcobalamin injections provide an effective alternative
