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Table 2 B vitamin content of the drinks throughout the intervention period

From: Effectiveness of a fortified drink in improving B vitamin biomarkers in older adults: a controlled intervention trial

Time after manufacture

Folic acid (µg)

Vitamin B12 (µg)

Vitamin B6 (mg)

Riboflavin (mg)

1 month

200

10

10

5

14 months

90

12

10

5

19 months

56

15

14

6

  1. B vitamins reported as concentration per 200 ml drink; participants received 1 × 200 ml portion daily