Notes on vitamin B12 A larger version of this table can be found in the Google spreadsheet B12 Doses and Absorption
Okunushi K, Furihata T, Morio H, Muto Y, Higuchi K, Kaneko M, et al
According to one study, moderate exercise may increase glutathione levels (14)
Verhaeverbeke, 1997) One trial of predominantly vegetarian families from India (Deshmukh, 2010) One trial of half vegetarians and half vegans whose responses were mixed together (Del Bo, 2019) One trial of B12 supplementation in vegans who werent previously supplementing (Crane, 1998) The dotted lines represent the trial of only vegans (500 g per day by Crane et al.) and the trial of half vegetarians and half vegans (50 g and 2,000/wk by Del Bo, 2019)
100% natural