Some people have a hard time absorbing vitamin B-12 due to the lack or deficiency of a certain protein. Intrinsic factor binds to vitamin B12.
After attaching, intrinsic factor and B12 travel to the intestines to be absorbed into the bloodstream. Vitamin B12 is needed for red blood cells to form and grow.‡

B-12 Intrinsic Factor which provides vitamin B12 and methylfolate in addition to Intrinsic Factor to aid in the absorption of vitamin B12 for the supports of red blood cells, energy production, and nerves. ‡

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*FDA Disclaimer: The information about this product and statements made are provided by the manufacturer, except customer reviews which are not evaluated. See www.progressivelabspro.com for information about the relationship between this product and any claims made. Results may vary from person to person based on body size and other factors, and the effectiveness is not guaranteed for you. Always seek the advice of your healthcare professional about taking dietary, nutritional, herbal or homeopathic supplements.