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Studies treating mild to moderate B12 deficiency in older people have failed to provide cognitive benefits: A clinical trial from the Netherlands measured the cognitive response to B12 supplements in people 70 years old with mild B12 deficiency and MMA levels 320 nmol/l (average: ~450 nmol/l)
Prevention and of vitamin D deficiency in adults at high risk of vitamin D deficiency with malabsorption Dosage Use according to the doctor's prescription but adjust the dose according to the level of 25-hydroxy vitamin D in the blood
Alcohol consumption of any amount, especially during the first trimester, increases the risk of preterm birth and infants born small for gestational age
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