Folic acid causes higher prevalence of detectable unmetabolized folic acid in serum than B-complex: a randomized trial

The Association Between Circulating Total Folate and Folate Vitamers With Overall Survival After Postmenopausal Breast Cancer Diagnosis

(2015) Archana Jaiswal McEligot et al.   NUTRITION AND CANCER-AN INTERNATIONAL JOURNAL

Folates Induce Colorectal Carcinoma HT29 Cell Line Proliferation Through Notch1 Signaling

(2015) Juan M. Rodriguez et al.   NUTRITION AND CANCER-AN INTERNATIONAL JOURNAL

Folic acid handling by the human gut: implications for food fortification and supplementation

(2014) Imran Patanwala et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Revised D-A-CH intake recommendations for folate: how much is needed?

(2014) M B Krawinkel et al.   EUROPEAN JOURNAL OF CLINICAL NUTRITION

Unmetabolized Folic Acid Is Detected in Nearly All Serum Samples from US Children, Adolescents, and Adults

(2014) Christine M Pfeiffer et al.   JOURNAL OF NUTRITION

Modeling a methylmalonic acid–derived change point for serum vitamin B-12 for adults in NHANES

(2013) Regan L Bailey et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

The Prevalence of Low Serum Vitamin B-12 Status in the Absence of Anemia or Macrocytosis Did Not Increase among Older U.S. Adults after Mandatory Folic Acid Fortification

(2013) Yan Ping Qi et al.   JOURNAL OF NUTRITION

Effects of folic acid supplementation on overall and site-specific cancer incidence during the randomised trials: meta-analyses of data on 50 000 individuals

(2013) Stein Emil Vollset et al.   LANCET

Unmetabolized folic acid prevalence is widespread in the older Irish population despite the lack of a mandatory fortification program

(2012) Andrew Boilson et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

B vitamin intakes and incidence of colorectal cancer: results from the Women’s Health Initiative Observational Study cohort

(2012) Stefanie Zschäbitz et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Assay of whole blood (6S)-5-CH3-H4folate using ultra performance liquid chromatography tandem mass spectrometry

(2012) Susanne H. Kirsch et al.   ANALYTICAL AND BIOANALYTICAL CHEMISTRY

Moderately high intake of folic acid has a negative impact on mouse embryonic development

(2012) Leonie G. Mikael et al.   BIRTH DEFECTS RESEARCH PART A-CLINICAL AND MOLECULAR TERATOLOGY

Factors affecting the distribution of folate forms in the serum of elderly German adults

(2012) Susanne H. Kirsch et al.   EUROPEAN JOURNAL OF NUTRITION

Biomarkers of folate status in NHANES: a roundtable summary

(2011) Elizabeth A Yetley et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Determination of unmetabolized folic acid in human plasma using affinity HPLC

(2011) Renee Kalmbach et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Folate Status of Reproductive Age Women and Neural Tube Defect Risk: The Effect of Long-Term Folic Acid Supplementation at Doses of 140 µg and 400 µg per Day

(2011) Nicola A. Hursthouse et al.   Nutrients

Concentrations of unmetabolized folic acid and primary folate forms in pregnant women at delivery and in umbilical cord blood

(2010) Rima Obeid et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

Quantification of key folate forms in serum using stable-isotope dilution ultra performance liquid chromatography–tandem mass spectrometry

(2009) Susanne H. Kirsch et al.   JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES

The extremely slow and variable activity of dihydrofolate reductase in human liver and its implications for high folic acid intake

(2009) S. W. Bailey et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Active B12: A Rapid, Automated Assay for Holotranscobalamin on the Abbott AxSYM Analyzer

(2008) J. Brady et al.   CLINICAL CHEMISTRY