| Functions |
- Works with B6 and Folate in Methylation reactions
- Required for hemopoietic functions and blood cell formation
- Brain and nerve function: assisting brain make use of carbohydrate and protein, vital for producing myelin sheath that protects axons / nerves, works as partner with Folate acid in activities such as making neurotransmitters like serotonin and dopamine
- Works with Folate acid in many processes, including synthesis of DNA; reactivates Folate acid
|
| Sources notes |
- Best sources from animal foods
- Vegans may find it in yeast or fermented foods as it is synthesized by bacteria
|
| Vegetable Sources |
|
| Fruit Sources |
|
| Nut and seed sources |
|
| Absorption and function notes |
- Calcium needed for absorption
- Heat sensitive – destroyed at moderate to high heats
- Requires release of intrinsic factor from stomach parietal cells for absorption
|
| Deficiency factors |
- Anemia
- Brain and nerve function: impaired mental acuity / dementia, depression
- Impaired nerve function leading to numbness, burning
|
| Toxicity |
Extremely rare – no known toxicity |
Adapted from:
Murray, M. (2005). Encyclopedia of Healing Food. New York, N.Y.: Atria Books
Bland, J., Costarella, L., Levin, B., Liska, D., Lukaczer, D., Schlitz, B., Schmidt, M., Lerman, R., Quinn, S., Jones, D. (2004). Clinical Nutrition: A Functional Approach, Second Edition. Gig Harbor, WA: The Institute for Functional Medicine.
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