I also discovered today that a schooner of a typical beer more than satisfies recommended daily intake of vitamin B12.. so, I might as well turf the supplements that I always forget to take anyway.
Typical range in beer (mg/L): 0.09-0.14 RDI (mg): 0.001-0.003
Source: Boulton, C. (2013). Encyclopedia of Brewing. John Wiley & Sons LTD, p69