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Vitamin B12 Boosts energy and kickstarts metabolism to burn calories faster
Clinical Update 4/04/2023 Coffees Effects on Heart Rhythm, Sleep Does drinking caffeinated coffee cause heart palpitations, or reduce sleep
Most of whats known comes from animal studies, anecdotal reports, and underground use, leaving big questions around safety, purity, and long-term effects
When deficiency is suspected based on clinical features (fatigue, paraesthesia, cognitive changes) or risk factors (vegan diet, gastric surgery, certain medications), serum B12 measurement guides appropriate intervention
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