250 mg Other Ingredients: Natural Vegetable Capsules, Microcrystalline Cellulose, Magnesium Stearate, Silicon Dioxide and Magnesium Stearate
Tight junctions normally form a selective barrier, controlling the passage of substances from the intestines into the bloodstream
Oral Vitamin C can cause gastric upset when taken in high doses because it requires digestion
The research was supported by the National Institutes of Health (grants R00AG049958, R01 DE027323, R56 DE025597, R01 DE026730, R01 DE021683, R21 DE024230, U01HL099776, U24DE026914, R21 DE019274, NIGMS K08GM109105, NIH R01GM123069 and NIH1R01AR071379), the California Institute for Regenerative Medicine, the Oak Foundation, the Pitch Johnson Fund, the Gunn/Olivier Research Fund, the Stinehart/Reed Foundation, The Siebel Foundation, the Howard Hughes Medical Institute, the German Research Foundation, the PSRF National Endowment, National Center for Research Resources, the Prostate Cancer Research Foundation, the American Federation of Aging Research and the Arthritis National Research Foundation.
Many people with low B12 feel fatigued and sluggish