About Thorne
Thorne aims to deliver personalized, scientific wellness via supplements that can have an impact on longevity and create happier and healthier lives. Each supplement that Thorne formulates is derived from extensive clinical research that substantiates the presence of each ingredient in each formula. Thorne has world class scientific collaborations with research organizations such as the Mayo Clinic & John Hopkins University.

Common Questions
Why should I take a B-12 supplement?
B-12 is required for the synthesis of red blood cells and DNA, production of energy in the body and maintenance of nerves and brain function.
Who is at a higher risk of B-12 deficiency?
B-12 deficiency is more common as we age. Certain diseases (like Crohn's disease and celiac disease) and certain medications (including heartburn medicines and H2 blocks) can make someone more disposed to a B12 deficiency.
What are the symptoms of a B-12 deficiency?
B-12 deficiency symptoms include mental confusion and irritability. Certain prescription medications (for example some for seizures, diabetes, arthritis, and cancer) can cause a deficiency of these important vitamins.
Does B-12 have any side effects?
Thorne's B-Complex #12 may cause headaches, nausea and fatigue if you are on a high dose.
Does Thorne's B-Complex #12 interact negatively with any medicines?
Thorne's B-Complex #12 could interact with certain anti-inflammatory drugs related to gout, select diabetes drugs, stomach acid reducing medicines, and amino salicylic acid.
The FDA regulates prescription and over-the-counter drugs, not dietary supplements. Any statements made have not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Is B-Complex #12 FDA approved?