Factors affecting the distribution of folate forms in the serum of elderly German adults
European Journal of Nutrition, 04/30/2012
Kirsch SH et al. – Low serum (6S)–5–CH3–H4folate concentrations and the proportion of (6S)–5–CH3–H4folate (percentage of the sum of folate forms) are related to older age and elevated methylmalonic acid and tHcy levels.



