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Research suggests that intramuscular delivery achieves significantly higher plasma concentrations than oral supplementation, making injectable Vitamin C a clinically effective option for patients with deficiency, compromised immune function, or chronic fatigue
Although the 100 mg of niacinamide in this injection is relatively modest compared to gram doses used to treat cholesterol, diabetic patients should still have their blood sugar observed, as even moderate niacinamide supplementation could necessitate small adjustments in diabetes medications
B12 injections are a common way to supplement vitamin B12 levels in the body
Heffernan MA et al
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