Vitamin D and the hepatitis B vaccine response: a prospective cohort study and a randomized, placebo-controlled oral vitamin D 3 and simulated sunlight supplementation trial in healthy adults

ConclusionLow vitamin D status at initial vaccination was associated with poorer hepatitis B vaccine response (study 1); however, vitamin D supplementation commencing 3  days after vaccination (study 2) did not influence the vaccination response.Clinical trial registry numberStudy 1 NCT02416895;https://clinicaltrials.gov/ct2/show/study/NCT02416895; Study 2 NCT03132103;https://clinicaltrials.gov/ct2/show/NCT03132103.
Source: European Journal of Nutrition - Category: Nutrition Source Type: research