Objective:
The aim of this study was to evaluate the effects of 3 months of supplementation with 2 different formulations of an encapsulated juice powder concentrate on pulmonary function and cardiovascular risk factors among heavy smokers. Folate and vitamin B12 status, which play a role in homocysteine metabolism, were also assessed.
PubMed link:
https://pubmed.ncbi.nlm.nih.gov/24015696/