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Cholestyramine

Depression & Mood Changes

Cholestyramine can affect this through 2 different nutrient pathways: Vitamin D3, Folic Acid. This medication is commonly used for High Cholesterol.

Evidence by Nutrient

Each nutrient below contributes to this impact through a different mechanism.

Via Vitamin D3

Vitamin D deficiency has been linked to a higher risk of depression, often showing up as low mood, fatigue, and reduced motivation in both observational and clinical studies. In one interventional study, female patients in particular showed the greatest improvement in their depressive symptoms after three months of vitamin D supplementation. Notably, serum serotonin levels significantly increased from baseline in both male and female patients after supplementation, suggesting a plausible biochemical pathway through which vitamin D may positively influence mood and motivation.

Alghamdi S, Alsulami N, Khoja S, Alsufiani H, Tayeb HO, Tarazi FI. Vitamin D Supplementation Ameliorates Severity of Major Depressive Disorder. J Mol Neurosci. 2020 Feb;70(2):230-235. Putranto R, Setiati S, Nasrun MW, Witjaksono F, Immanuel S, Subekti I, Harimurti K, Siswanto A, Shatri H, Suwarto S, Megantara MA. Effects of cholecalciferol supplementation on depressive symptoms, C-peptide, serotonin, and neurotrophin-3 in type 2 diabetes mellitus: A double-blind, randomized, placebo-controlled trial. Narra J. 2024 Dec;4(3):e134. Penckofer S, Ridosh M, Adams W, Grzesiak M, Woo J, Byrn M, Kouba J, Sheean P, Kordish C, Durazo-Arvizu R, Wallis D, Emanuele MA, Halaris A. Vitamin D Supplementation for the Treatment of Depressive Symptoms in Women with Type 2 Diabetes: A Randomized Clinical Trial. J Diabetes Res. 2022 Mar 3;2022:4090807. Alghamdi S, Alsulami N, Khoja S, Alsufiani H, Tayeb HO, Tarazi FI. Vitamin D Supplementation Ameliorates Severity of Major Depressive Disorder. J Mol Neurosci. 2020 Feb;70(2):230-235.

Via Folic Acid

Folate deficiency has been associated with a higher risk of depressive symptoms, irritability, and other mood disturbances, likely through its role in one‑carbon metabolism, monoamine neurotransmitter synthesis, and methylation processes in the brain. Clinical and epidemiologic studies have found that people with low folate or elevated homocysteine are more likely to experience major depression, and lower folate status has been linked to poorer response to certain antidepressant medications. The encouraging clinical point is that, in folate‑deficient individuals, correcting folate status (often with folic acid or methylfolate, and alongside vitamin B12 when indicated) may improve mood symptoms and, in some cases, enhance antidepressant treatment response, especially when combined with comprehensive psychiatric and lifestyle interventions.

David Mischoulon, Maurizio Fava. Folate in Depression: Efficacy, Safety, Differences in Formulations, and Clinical Issues. The Journal of Clinical Psychiatry. 2009. Gao S, Khalid A, Amini-Salehi E, Radkhah N, Jamilian P, Badpeyma M, Zarezadeh M. Folate supplementation as a beneficial add-on treatment in relieving depressive symptoms: A meta-analysis of meta-analyses. Food Sci Nutr. 2024 Mar 8;12(6):3806-3818. Reynolds EH, Crellin R, Bottiglieri T, Laundy M, Toone BK, et al. Methylfolate as Monotherapy in Depression. A Pilot Randomised Controlled Trial. J Neurol Psychol. 2015;3(1): 5. Reynolds EH. Folic acid, ageing, depression, and dementia. BMJ. 2002 Jun 22;324(7352):1512-5. Gilbody S, Lightfoot T, Sheldon T. Is low folate a risk factor for depression? A meta-analysis and exploration of heterogeneity. J Epidemiol Community Health. 2007 Jul;61(7):631-7.

Nutrients Depleted by Cholestyramine

Some side effects may be linked to nutrient depletion caused by this medication.

  • Vitamin D3Depletion

    Bile acid sequestrants work by binding to cholesterol and bile acids in the intestine, unfortunately, they can also bind to fat soluble vitamins like vitamin D3, hindering its uptake into the bloodstream. For individuals taking bile acid sequestrants, supplementing with vitamin D3 may be advisable to prevent or address potential deficiencies.

  • Vitamin ADepletion

    Bile acid sequestrants work by binding to cholesterol and bile acids in the intestine, unfortunately, they can also bind to fat soluble vitamins like vitamin A, hindering its uptake into the bloodstream. For individuals taking bile acid sequestrants, supplementing with vitamin A may be advisable to prevent or address potential deficiencies.

  • Vitamin EDepletion

    Bile acid sequestrants work by binding to cholesterol and bile acids in the intestine, unfortunately, they can also bind to fat soluble vitamins like vitamin E, hindering its uptake into the bloodstream. For individuals taking bile acid sequestrants, supplementing with vitamin E may be advisable to prevent or address potential deficiencies.

  • Folic AcidDepletion

    Bile acid sequestrants work by binding to cholesterol and bile acids in the intestine, unfortunately, they can also bind to folic acid, hindering its uptake into the bloodstream. For individuals taking bile acid sequestrants, supplementing with folic acid may be advisable to prevent or address potential deficiencies.

  • Vitamin KDepletion

    Bile acid sequestrants work by binding to cholesterol and bile acids in the intestine, unfortunately, they can also bind to fat soluble vitamins like vitamin K, hindering its uptake into the bloodstream. For individuals taking bile acid sequestrants, supplementing with vitamin K may be advisable to prevent or address potential deficiencies.

Other Health Impacts of Cholestyramine

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