http://tuberose.com/Vitamins.html
Wat me opviel was dat onderaan de pagina over B12 uitleg wordt gesproken over:
Individuals taking conventional diets need only about 0.1 micrograms of B12 per day even though conventional diets contain excess fat, animal protein and refined foods all of which increase the need for B12. True vegetarians require only 0.05 micrograms of B12 daily. An ounce of the roots of leeks, beets and other vegetables will provide 0.1 to 0.3 mcg. of B1, more than a day's supply. The routine use of vitamin B12 is not advised. Cases of increased cancer production in animals receiving high levels of B12 have been published. A group of French investigators reported a series of cases suggesting that B12 may stimulate multiplication of cancer cells and aggravate the disease. Patients with rheumatoid arthritis present serum B12 levels significantly higher than normal subjects. It is also known to be higher in patients with ulcerative colitis, leukemia and other serious illnesses. Breast-fed infants get only a tiny fraction of a microgram of B12 per day, even if their mothers are on a high intake. Yet, they can build neurological tissue, convert their hemoglobin from F to A type, and do other complex functions dependent on B12. Iron deficiency interferes with absorption of B12. Large doses of vitamin B1 can also destroy vitamin B12, as can the use of oral contraceptives. Lactose intolerance may increase B12 needs.
Omdat ik in het "grijze gebied" zit qua testen voor B12, werd mij aangeraden om B12 te nemen.
Maar ik wilde eerst graag weten of ik dit eigenlijk wel nodig had.
