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In a pilot study during 1 month of four patients with Crohns disease the mean serum cobalamin concentration increased significantly after weekly administration of 1500 g of the same formulation

Journal of Endocrinology, 236(2), 63-78

Supports Healthy Nerve & Cellular Function Research on the ingredient Methylcobalaminparticularly in neurology literaturedescribes its role in normal nerve health and cellular repair processes

One study had people on doses as high as 2,000 micrograms with no side effects

Benzyl alcohol is a common issue