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People with fatigue or low energy : If you feel tired despite getting enough sleep, B12 shots might help
Combine with regular exercise for optimal body composition changes
While effective, it can cause side effects ranging from mild to serious, including oral thrush, headaches, sore throat, hoarseness, and rare adrenal suppression
Full UK guide with mechanism, storage and protocol
Symptomatic vitamin deficiency is more likely if the person is rendered achlorhydric (a complete absence of gastric acid secretion), which occurs more frequently with proton pump inhibitors than H 2 blockers
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