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Vitamins & Supplements Buying Guide
Beyond the Claims: What’s Really in Your Supplement?
A Closer Look at B12
Vitamin B12 is an essential nutrient that helps support healthy red blood cell formation, normal nerve function, DNA production, and the body’s energy metabolism.
Adequate B12 also contributes to normal brain and nervous-system function.
B12 itself is not an energy stimulant, but a deficiency can cause fatigue and weakness, so correcting a deficiency may improve those symptoms.
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