"Features of a successful therapeutic fast of 382 days' duration"
"Patient[..]27 years[..]456 lb (207 kg)[..]382 days[..]vitamin supplements were given daily as 'Multivite' (BDH), vitamin C and yeast[..]Non-caloric fluids were allowed"
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2495396/pdf/postmedj00315-0056.pdf