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If you have a vitamin B12 deficiency, injections are the best option because they bypass the GI tract, where the body loses some of the vitamin from oral supplements
A lesser explanation is that these drugs may interfere with the absorption of oral contraceptives, reducing their effectiveness
Martnez Y, Li X, Liu G, et al
In addition, studies highlight its potential to balance blood sugar levels, support heart health, and decrease the risk of conditions like diabetes and cardiovascular disease
& Lau, J
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