Can this replace the B complex vitamin capsules I am currently taking? Yes. Sub• B Tropin provides better quality and delivery of B vitamins than in any encapsulated forms. By BioProtein Tech|2015-01-07T14:44:08-05:00January 7th, 2015|0 Comments Share This Story, Choose Your Platform! FacebookLinkedInEmail About the Author: BioProtein Tech Leave A Comment Cancel replyComment Save my name, email, and website in this browser for the next time I comment.