can vitamin b12 injections make you tired What Need to Know About Here's why you need to

For some people with underlying medical conditions, including diabetes or imbalanced hormones, no matter how much exercise they do or how much junk they cut out of their diet, they cant seem to lose weight

Without enough B12, red blood cells can become large and irregular (megaloblastic anemia), which reduces their ability to carry oxygen efficiently

Having an intestinal disorder resulting in less stomach acid : Research suggests that these include conditions like gastritis, hypochlorhydria or achlorhydria

[2] However, unexplained elevation warrants investigation for underlying pathology, particularly hepatic or haematological disease

This pattern warrants reassessment rather than automatic dose escalation