Fig. 2
From: Ability of dietary factors to affect homocysteine levels in mice: a review
Boxplots show medians, interquartile ranges and 1.5 × interquartile ranges of concentrations of vitamin B12 (µg/kg), vitamin B6 (mg/kg), folate (mg/kg), methionine + cystine (g/kg) and choline (g/kg) in control (gray box, n = 118 data sets out of 85 studies) and experimental (white box, n = 137 data sets out of 56 studies) diets, which were used to increase plasma levels of homocysteine. AIN-93-based nutrient recommendations [8] for control diets are depicted as dashed lines for each nutrient. For vitamin B12, vitamin B6 and folate the medians coincide with the 25th percentile