Published in Am J Clin Nutr on June 23, 2010
Folate and DNA methylation: a review of molecular mechanisms and the evidence for folate's role. Adv Nutr (2012) 1.80
Unmetabolized folic acid is detected in nearly all serum samples from US children, adolescents, and adults. J Nutr (2014) 1.50
Folic acid food fortification-its history, effect, concerns, and future directions. Nutrients (2011) 1.46
Biomarkers of folate status in NHANES: a roundtable summary. Am J Clin Nutr (2011) 1.43
Folate and vitamin B-12 biomarkers in NHANES: history of their measurement and use. Am J Clin Nutr (2011) 1.33
Overview of a roundtable on NHANES monitoring of biomarkers of folate and vitamin B-12 status: measurement procedure issues. Am J Clin Nutr (2011) 1.16
Pre- and postfortification intake of folate and risk of colorectal cancer in a large prospective cohort study in the United States. Am J Clin Nutr (2011) 1.01
Increased cancer cell proliferation in prostate cancer patients with high levels of serum folate. Prostate (2011) 1.00
Biomarkers of Nutrition for Development-Folate Review. J Nutr (2015) 0.98
Molecular mechanisms underlying the potentially adverse effects of folate. Clin Chem Lab Med (2013) 0.89
Mathematical modeling predicts the effect of folate deficiency and excess on cancer-related biomarkers. Cancer Epidemiol Biomarkers Prev (2011) 0.86
Serum unmetabolized folic acid in a nationally representative sample of adults ≥60 years in the United States, 2001-2002. Food Nutr Res (2012) 0.86
Transcobalamin 776C→G polymorphism is associated with peripheral neuropathy in elderly individuals with high folate intake. Am J Clin Nutr (2016) 0.84
Folic acid handling by the human gut: implications for food fortification and supplementation. Am J Clin Nutr (2014) 0.84
Supplemental dietary folic acid has no effect on chromosome damage in erythrocyte progenitor cells of mice. J Nutr (2012) 0.82
Comparison and validation of 2 analytical methods for measurement of urinary sucrose and fructose excretion. Nutr Res (2013) 0.80
Factors affecting the distribution of folate forms in the serum of elderly German adults. Eur J Nutr (2012) 0.79
Vitamin B(12) and folic acid imbalance modifies NK cytotoxicity, lymphocytes B and lymphoprolipheration in aged rats. Nutrients (2013) 0.79
γ-Glutamyl hydrolase modulation and folate influence chemosensitivity of cancer cells to 5-fluorouracil and methotrexate. Br J Cancer (2013) 0.78
Folate. Adv Nutr (2013) 0.77
Circulating unmetabolized folic Acid: relationship to folate status and effect of supplementation. Obstet Gynecol Int (2012) 0.77
A quantile regression approach can reveal the effect of fruit and vegetable consumption on plasma homocysteine levels. PLoS One (2014) 0.76
Folic acid induces cell type-specific changes in the transcriptome of breast cancer cell lines: a proof-of-concept study. J Nutr Sci (2016) 0.75
Dietary folic acid protects against genotoxicity in the red blood cells of mice. Mutat Res (2015) 0.75
An overview of folate status in a population-based study from São Paulo, Brazil and the potential impact of 10 years of national folic acid fortification policy. Eur J Clin Nutr (2017) 0.75
Folic acid for the prevention of colorectal adenomas: a randomized clinical trial. JAMA (2007) 7.93
Statistical methods for estimating usual intake of nutrients and foods: a review of the theory. J Am Diet Assoc (2006) 6.26
Total folate and folic acid intake from foods and dietary supplements in the United States: 2003-2006. Am J Clin Nutr (2009) 4.57
Unmetabolized folic acid in serum: acute studies in subjects consuming fortified food and supplements. Am J Clin Nutr (1997) 3.75
Multivitamin use, folate, and colon cancer in women in the Nurses' Health Study. Ann Intern Med (1998) 3.73
Trends in blood folate and vitamin B-12 concentrations in the United States, 1988 2004. Am J Clin Nutr (2007) 3.03
A temporal association between folic acid fortification and an increase in colorectal cancer rates may be illuminating important biological principles: a hypothesis. Cancer Epidemiol Biomarkers Prev (2007) 2.91
Folic acid and risk of prostate cancer: results from a randomized clinical trial. J Natl Cancer Inst (2009) 2.64
Effect of combined folic acid, vitamin B6, and vitamin B12 on cancer risk in women: a randomized trial. JAMA (2008) 2.32
Unmetabolized folic acid in plasma is associated with reduced natural killer cell cytotoxicity among postmenopausal women. J Nutr (2006) 2.25
Will mandatory folic acid fortification prevent or promote cancer? Am J Clin Nutr (2004) 2.19
The effect of folate fortification of cereal-grain products on blood folate status, dietary folate intake, and dietary folate sources among adult non-supplement users in the United States. J Am Coll Nutr (2005) 2.18
Colon cancer in Chile before and after the start of the flour fortification program with folic acid. Eur J Gastroenterol Hepatol (2009) 2.09
Nationwide folate fortification has complex ramifications and requires careful monitoring over time. Arch Intern Med (2002) 1.63
The extremely slow and variable activity of dihydrofolate reductase in human liver and its implications for high folic acid intake. Proc Natl Acad Sci U S A (2009) 1.42
Circulating folic acid in plasma: relation to folic acid fortification. Am J Clin Nutr (2008) 1.35
Circulating unmetabolized folic acid and 5-methyltetrahydrofolate in relation to anemia, macrocytosis, and cognitive test performance in American seniors. Am J Clin Nutr (2010) 1.32
Analysis of folate form distribution by affinity followed by reversed- phase chromatography with electrical detection. Clin Chem (2000) 1.31
A 19-base pair deletion polymorphism in dihydrofolate reductase is associated with increased unmetabolized folic acid in plasma and decreased red blood cell folate. J Nutr (2008) 1.22
Modeling the level of fortification and post-fortification assessments: U.S. experience. Nutr Rev (2004) 1.20
Folate intake, post-folic acid grain fortification, and pancreatic cancer risk in the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial. Am J Clin Nutr (2009) 1.12
Postprandial serum folic acid response to multiple doses of folic acid in fortified bread. Br J Nutr (2006) 1.12
Simultaneous quantification of homocysteine and folate in human serum or plasma using liquid chromatography/tandem mass spectrometry. Anal Chem (2005) 0.98
Persistent circulating unmetabolised folic acid in a setting of liberal voluntary folic acid fortification. Implications for further mandatory fortification? BMC Public Health (2009) 0.94
Solid-phase extraction-electrospray ionization mass spectrometry for the quantification of folate in human plasma or serum. Anal Biochem (2004) 0.92
Biotransformation of pteroylmonoglutamic acid during absorption: implications of Michaelis-Menten kinetics. Eur J Clin Nutr (1989) 0.87
Physical activity in the United States measured by accelerometer. Med Sci Sports Exerc (2008) 38.10
Effect of dialysis dose and membrane flux in maintenance hemodialysis. N Engl J Med (2002) 10.52
Dietary supplement use by US adults: data from the National Health and Nutrition Examination Survey, 1999-2000. Am J Epidemiol (2004) 6.90
Serum 25-hydroxyvitamin D status of the US population: 1988-1994 compared with 2000-2004. Am J Clin Nutr (2008) 6.26
Most Americans eat much less than recommended amounts of fruits and vegetables. J Am Diet Assoc (2006) 5.65
A new statistical method for estimating the usual intake of episodically consumed foods with application to their distribution. J Am Diet Assoc (2006) 5.61
Americans do not meet federal dietary recommendations. J Nutr (2010) 4.94
The relationship of average volume of alcohol consumption and patterns of drinking to burden of disease: an overview. Addiction (2003) 4.92
Dietary supplement use in the United States, 2003-2006. J Nutr (2010) 4.72
Total folate and folic acid intake from foods and dietary supplements in the United States: 2003-2006. Am J Clin Nutr (2009) 4.57
Estimation of total usual calcium and vitamin D intakes in the United States. J Nutr (2010) 3.86
A genome-wide association study of cleft lip with and without cleft palate identifies risk variants near MAFB and ABCA4. Nat Genet (2010) 3.63
Modeling data with excess zeros and measurement error: application to evaluating relationships between episodically consumed foods and health outcomes. Biometrics (2009) 3.30
Alcohol as a risk factor for global burden of disease. Eur Addict Res (2003) 3.11
Trends in blood folate and vitamin B-12 concentrations in the United States, 1988 2004. Am J Clin Nutr (2007) 3.03
Relative importance of borderline and elevated levels of coronary heart disease risk factors. Ann Intern Med (2005) 2.89
Dietary supplement use among U.S. adults has increased since NHANES III (1988-1994). NCHS Data Brief (2011) 2.82
A mixed-effects model approach for estimating the distribution of usual intake of nutrients: the NCI method. Stat Med (2010) 2.81
Use of vitamin, mineral, nonvitamin, and nonmineral supplements in the United States: The 1987, 1992, and 2000 National Health Interview Survey results. J Am Diet Assoc (2004) 2.78
Dietary supplement use is associated with higher intakes of minerals from food sources. Am J Clin Nutr (2011) 2.70
Cigarette smoking and the male-female sex ratio. Fertil Steril (2003) 2.69
Alcohol-related morbidity and mortality. Alcohol Res Health (2003) 2.57
Vitamin D status: United States, 2001-2006. NCHS Data Brief (2011) 2.50
The food propensity questionnaire: concept, development, and validation for use as a covariate in a model to estimate usual food intake. J Am Diet Assoc (2006) 2.47
The Healthy Eating Index-2010 is a valid and reliable measure of diet quality according to the 2010 Dietary Guidelines for Americans. J Nutr (2014) 2.47
Income and race/ethnicity are associated with adherence to food-based dietary guidance among US adults and children. J Acad Nutr Diet (2012) 2.39
Funding food science and nutrition research: financial conflicts and scientific integrity. Am J Clin Nutr (2009) 2.32
Folic acid source, usual intake, and folate and vitamin B-12 status in US adults: National Health and Nutrition Examination Survey (NHANES) 2003-2006. Am J Clin Nutr (2009) 2.32
Why US adults use dietary supplements. JAMA Intern Med (2013) 2.29
Flavonoid intake and cardiovascular disease mortality in a prospective cohort of US adults. Am J Clin Nutr (2012) 2.24
Dietary supplement use among infants, children, and adolescents in the United States, 1999-2002. Arch Pediatr Adolesc Med (2007) 2.16
A genome-wide association study identifies susceptibility loci for nonsyndromic sagittal craniosynostosis near BMP2 and within BBS9. Nat Genet (2012) 2.12
Pilot study of urinary biomarkers of phytoestrogens, phthalates, and phenols in girls. Environ Health Perspect (2007) 2.04
Collection of food and dietary supplement intake data: What We Eat in America-NHANES. J Nutr (2003) 2.00
Folate and human reproduction. Am J Clin Nutr (2006) 2.00
Assessment of iron deficiency in US preschool children and nonpregnant females of childbearing age: National Health and Nutrition Examination Survey 2003-2006. Am J Clin Nutr (2009) 1.99
Estimation of trends in serum and RBC folate in the U.S. population from pre- to postfortification using assay-adjusted data from the NHANES 1988-2010. J Nutr (2012) 1.98
Assessment of iron status in US pregnant women from the National Health and Nutrition Examination Survey (NHANES), 1999-2006. Am J Clin Nutr (2011) 1.88
The caffeine contents of dietary supplements commonly purchased in the US: analysis of 53 products with caffeine-containing ingredients. Anal Bioanal Chem (2007) 1.86
Do dietary supplements improve micronutrient sufficiency in children and adolescents? J Pediatr (2012) 1.84
Appropriateness of the probability approach with a nutrient status biomarker to assess population inadequacy: a study using vitamin D. Am J Clin Nutr (2012) 1.82
Trends in circulating concentrations of total homocysteine among US adolescents and adults: findings from the 1991-1994 and 1999-2004 National Health and Nutrition Examination Surveys. Clin Chem (2008) 1.75
Physical activity in US youth: effect of race/ethnicity, age, gender, and weight status. Med Sci Sports Exerc (2010) 1.75
NHANES monitoring of serum 25-hydroxyvitamin D: a roundtable summary. J Nutr (2010) 1.74
Pulmonary function and abdominal adiposity in the general population. Chest (2006) 1.74
Chapter 2: Birth-cohort-specific estimates of smoking behaviors for the U.S. population. Risk Anal (2012) 1.74
Effects of hemodialysis dose and membrane flux on health-related quality of life in the HEMO Study. Kidney Int (2004) 1.71
Nutrient intakes of US infants, toddlers, and preschoolers meet or exceed dietary reference intakes. J Am Diet Assoc (2010) 1.70
Flavonoids and heart health: proceedings of the ILSI North America Flavonoids Workshop, May 31-June 1, 2005, Washington, DC. J Nutr (2007) 1.66
National Academy of Clinical Biochemistry Laboratory Medicine Practice guidelines: emerging biomarkers for primary prevention of cardiovascular disease. Clin Chem (2008) 1.65
Nationwide folate fortification has complex ramifications and requires careful monitoring over time. Arch Intern Med (2002) 1.63
Non-high-density lipoprotein and very-low-density lipoprotein cholesterol and their risk predictive values in coronary heart disease. Am J Cardiol (2006) 1.63
The 2005 Dietary Guidelines for Americans Adherence Index: development and application. J Nutr (2006) 1.60
Measuring vitamins and minerals in dietary supplements for nutrition studies in the USA. Anal Bioanal Chem (2007) 1.57
Both low muscle mass and low fat are associated with higher all-cause mortality in hemodialysis patients. Kidney Int (2010) 1.55
Overview of the conference "Vitamin D and Health in the 21st Century: an Update". Am J Clin Nutr (2008) 1.52
Confirmation of the R653Q polymorphism of the trifunctional C1-synthase enzyme as a maternal risk for neural tube defects in the Irish population. Eur J Hum Genet (2006) 1.52
Drug interactions with herbal products and grapefruit juice: a conference report. Clin Pharmacol Ther (2004) 1.51
Hormone replacement therapy and its relationship to lipid and glucose metabolism in diabetic and nondiabetic postmenopausal women: results from the Third National Health and Nutrition Examination Survey (NHANES III). Diabetes Care (2002) 1.51
Standardizing vitamin D assays: the way forward. J Bone Miner Res (2014) 1.51
The effect of dialysis dose and membrane flux on nutritional parameters in hemodialysis patients: results of the HEMO Study. Kidney Int (2004) 1.50
Adverse pregnancy outcomes in snuff users. Am J Obstet Gynecol (2003) 1.48
Effect of increasing doses of saw palmetto extract on lower urinary tract symptoms: a randomized trial. JAMA (2011) 1.46
Mediterranean-style dietary pattern, reduced risk of metabolic syndrome traits, and incidence in the Framingham Offspring Cohort. Am J Clin Nutr (2009) 1.46
The population distribution of ratios of usual intakes of dietary components that are consumed every day can be estimated from repeated 24-hour recalls. J Nutr (2009) 1.45
Maternal vitamin B12 status and risk of neural tube defects in a population with high neural tube defect prevalence and no folic Acid fortification. Pediatrics (2009) 1.44
Biomarkers of vitamin B-12 status in NHANES: a roundtable summary. Am J Clin Nutr (2011) 1.43
Biomarkers of folate status in NHANES: a roundtable summary. Am J Clin Nutr (2011) 1.43