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Week-by-Week Expectations Weeks 1 to 2
Rosenstock JAMA 2023
It is reduced in the body to tetrahydrofolate, the active coenzyme required for DNA synthesis and amino acid metabolism
Better for absorption-challenged patients: Ideal for patients with Crohns disease, gastric bypass history, or other conditions affecting nutrient absorption
Not suitable if Known allergy to cobalt or cobalamin
Self-certified COAs from in-house testing are common in this market and offer weaker verification
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