oral vs injectable b12 can be taken orally vs. B12 Injections: What Is the Difference? B12 Injections at Olympia – vitamin b12 tablets vs injection

Unlike oral B12 supplements, which depend on intrinsic factor production in the stomach for absorption and lose 5070% bioavailability in the digestive process, injectable B12 achieves near-100% bioavailability by delivering the vitamin directly into circulation

There isnt enough data on B12 fortified foods and cooking but as high temperatures lasting for an extended period of time are needed for B12 to be destroyed, its unlikely that, for example, heating plant milk for coffee would cause significant losses

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A maternal diet high in methionine may be harmful to the development of the fetus