> Is it possible to get anywhere near this much with dietary thiamine? High thiamine food stuffs have a few milligram at most so it would take some effort. Ho

> Is it possible to get anywhere near this much with dietary thiamine? High thiamine food stuffs have a few milligram at most so it would take some effort. However, many B1 vitamin tablets have 100mg-300mg, although I wonder how well that is absorbed compared with an intramuscular shot - it would seem that you could consume the equivalent of 200mg a week.