Vitamin B12 Supplementation Study
NCT00826657
·
clinicaltrials.gov ↗
NA
Phase
COMPLETED
Status
180
Enrollment
FED
Sponsor class
Conditions
Vitamin B12 Deficiency
Interventions
DIETARY_SUPPLEMENT:
Vitamin B12
DIETARY_SUPPLEMENT:
placebo
Sponsor
USDA, Western Human Nutrition Research Center