There are several blood tests that we can organise for you that will tell you if you are vitamin B12 deficient Serum B12, Methylmalonic acid, Homocysteine and complete blood counts
Raud, B
While mushrooms offer significant health benefits, certain wild varieties are toxic, and individual reactions may vary
Zhang J, McCastlain K, Qu C, Wu G, Edmonson M, Li Y, Wei L, Payne-Turner D, Yoshihara H, Churchman ML, Waanders E, Ntziachristos P, Aifantis L, Roberts KG, Ma J, Song G, Easton J, Mulder HL, Xiang C, Rusch M, Boggs K, Vadodaria B, Dalton J, Valentine ML, Ding L, Lu C, Fulton RS, Fulton L, Tabib Y, Ochoa K, Devidas M, Pei D, Cheng C, Evans WE, C-H P, Jeha S, Harvey RC, Chen I-M L, Willman CL, Marcucci G, Bloomfield CD, Kohlschmidt J, Mrozek K, Paietta E, Tallman MS, Stock W, Voorhees PM, Racevskis J, Rowe JM, Luger S, Kornblau SM , Shurtleff SA, Raimondi SC, Mardis ER, Wilson RK, Hunger SP, Loh ML, Down JR, Mullighan CG