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Day-to-day differences remain imperceptible
Vitamin B12 benefits
Some researchers have studied vitamin B12 to find out if it can increase energy and endurance during exercise, but the results are inconclusive
Both metformin and long-term use of proton pump inhibitors have been linked to reduced B12, and the same goes for many people past 50
How do I take it
For instance, a small proportion of people have genetically low b12 values, while they do not have a deficiency
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