Vitamin B12 is predominately only acquired naturally from animal-based produce such as meat, dairy, eggs, as well as fish, especially trout, salmon and cod
"Folic acid, pyridoxine, and cyanocobalamin combination treatment and age-related macular degeneration in women: the Women's Antioxidant and Folic Acid Cardiovascular Study"
No weekly dosing is correct
7,30 Nutrient deficiencies involved in the pathway of neurological conditions include: Thiamin (vitamin B 1 ) Vitamin B 12 Vitamin B 2 Vitamin B 6 Folate Vitamin A Vitamin D Vitamin E Copper The majority of data that describe how nutrient deficiencies have led to neurological disorders after MBS come primarily from case reports and case studies, with minimal large prospective trials and retrospective studies
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