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When Oral Supplements Are Sufficient: Mild Deficiency Cases: Dietary insufficiency without absorption issues Preventive supplementation Cost-conscious approach No underlying digestive problems Recommended Dosage: 250-1000 mcg daily for maintenance When B12 Injections Are Superior: Severe Deficiency or Absorption Issues: Pernicious anemia Digestive disorders affecting absorption Rapid correction needed Previous failed oral supplementation The Science: Intramuscular B12 injections bypass the digestive system entirely, providing 100% bioavailability compared to 1-5% from oral supplements in deficient individuals
Its best known for its anti-aging properties, particularly its ability to stimulate telomerase, an enzyme that helps maintain telomere lengtha critical marker of cellular aging
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Such areas are the buttocks, thigh, or abdomen
Over time, elevated glucose damages tiny blood vessels that feed nerves, starving them of oxygen and nutrients
When should I seek medical help after a B12 injection
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