b12 tablets versus injections vs. Oral Supplements: Which Is Better? Vitamin B12 Forms

When is repeat testing meaningful after oral or parenteral cobalamin exposure

The product has clear signs of use, damage, or is soiled

For further research, Leigh, a writer and contributor to GeneFood, also wrote an excellent blog post recently about the genetics of nutrient absorption which is worth a read

You Suffer From Gastrointestinal Distress If you suffer from a gastrointestinal disorder, such as Crohns disease or celiac disease, you should get a vitamin B12 injection

Your practitioner will recommend the appropriate frequency and administration method based on your individual goals

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