anemia might be treated with vitamin b12 injections Injections: Benefits and Risks Vitamin B12 Injections - Vie
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Can B12 affect fertility

With one version, my urine would turn sort of pinkish

Weekly in your case should continue

Many people have lower levels of this due to aging, issues with digestion, or missing nutrients in their diet

Less common, whole-body effects

Health benefits of B12 injections: Vitamin B12 shots are recommended for those who have B12 deficiency in their body
