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In a randomized, placebo-controlled intervention study with more than 900 older participants experiencing psychological distress, daily supplementation with folic acid (400 g) and vitamin B 12 (100 g) for two years did not reduce the occurrence of symptoms of depression despite significantly improving blood folate, vitamin B 12 , and homocysteine levels compared to placebo (109)

The capsule contents are dissolved, and the absorbance is measured in a quartz cuvette at the maximum absorption wavelength of 5amino1mq

Thiamine has not been associated with fetal harm

The current status of homocysteine as a risk factor for cardiovascular disease: a mini review

United States Pharmacopeia and National Formulary