Escitalopram Side Effects & Health Impacts

Folate depletion impairs one-carbon metabolism, leading to elevated homocysteine, endothelial dysfunction and potential promotion of atherothrombotic events.

Meta-analyses of randomized trials show that folic acid supplementation lowers homocysteine and modestly reduces stroke and overall cardiovascular disease risk in some populations, especially where baseline folate status is low, highlighting the adverse vascular profile of folate deficiency.

Li Y et al. Folic acid supplementation and the risk of cardiovascular diseases: a meta-analysis of randomized controlled trials. J Am Heart Assoc. 2016;5(8):e003768.; Wang Y et al. The effect of folic acid in patients with cardiovascular disease: a meta-analysis. Medicine (Baltimore). 2019;98(38):e17106.; Miller ER et al. Meta-analysis of folic acid supplementation trials on risk of cardiovascular disease. Am J Cardiol. 2010;106(4):517-527.

Folate deficiency impairs DNA synthesis, resulting in ineffective erythropoiesis, macrocytosis and megaloblastic anemia, often accompanied by glossitis, mucosal changes and fatigue.

Hematology and nutrition reviews describe folate deficiency as a classic cause of megaloblastic anemia and mucosal abnormalities, frequently exacerbated by medications that antagonize folate metabolism.

O’Leary F, Samman S. Vitamin B12 in health and disease. Nutrients. 2010;2(3):299-316. (discussion of folate and B12 in megaloblastic anemia); Lešić S et al. The impact of vitamin deficiencies on oral manifestations. Dent J (Basel). 2024;12(4):109.

Chromium is a cofactor for insulin signaling complexes; inadequate chromium status has been associated in some studies with impaired glucose tolerance and worsened glycemic control, though human data are mixed.

A systematic review and meta-analysis of chromium supplementation in type 2 diabetes suggests small improvements in fasting glucose and HbA1c in some trials, but high-quality randomized studies in prediabetes found no clear benefit, indicating that the clinical impact of chromium depletion remains uncertain.

Asbaghi O et al. Effects of chromium supplementation on glycemic control in patients with type 2 diabetes: a systematic review and meta-analysis of randomized controlled trials. Pharmacol Res. 2020;161:105098.; Ali A et al. Chromium effects on glucose tolerance and insulin sensitivity in persons at risk for diabetes. Diabetes Care. 2011;34(4):712-714.; Talab AT et al. Effects of chromium picolinate supplementation on glycemic status and lipid profile in type 2 diabetes. Clin Nutr Res. 2020;9(2):97-105.

Low chromium status has been linked observationally to dyslipidemia and features of metabolic syndrome, although causality and clinical significance remain debated.

Narrative reviews highlight associations between low chromium and metabolic derangements, yet interventional trials show heterogeneous results, suggesting that any effect of depletion is modest and context-dependent.

Anderson RA. Chromium and insulin resistance. Nutr Res Rev. 2000;13(2):267-286.; Asbaghi O et al. Effects of chromium supplementation on glycemic control in patients with type 2 diabetes. Pharmacol Res. 2020;161:105098.