The science behind your Stack.

Multivitamin supplementation and mortality risk: meta-analyses of randomized controlled trials

US dietary supplement market size and consumer trends

International Society of Sports Nutrition position stand: creatine supplementation

Sex-specific nutritional requirements and dietary supplement use

Vitamin D deficiency prevalence by latitude and seasonal variation

Calcium supplementation and cardiovascular risk: role of vitamin K2

Subclinical magnesium deficiency: a principal driver of cardiovascular disease

The effect of magnesium supplementation on primary insomnia in elderly

Magnesium and exercise performance: muscle cramps and electrolyte losses

The role of magnesium in neurological disorders and anxiety

Magnesium in migraine prophylaxis: clinical evidence and recommendations

Bioavailability of magnesium supplement forms: oxide vs citrate vs glycinate

Prevalence and correlates of vitamin D deficiency in US adults

Vitamin D: the sunshine vitamin and optimal serum levels

Aging and vitamin D synthesis: reduced skin production in elderly

Gao Q, et al. The association between vitamin D deficiency and sleep disorders: a systematic review and meta-analysis. Nutrients, 2018.

Vitamin D supplementation to prevent acute respiratory infections: systematic review

Vitamin K2 and calcium metabolism: synergy with vitamin D3

Physicians’ Health Study II: multivitamins in the prevention of cancer and cardiovascular disease

Women’s Health Initiative: multivitamin-mineral supplement use and chronic disease outcomes

Personalized nutrition and dietary supplement use: evidence and recommendations

Nutritional deficiency risk in vegetarian and vegan diets: systematic review

Exercise-induced micronutrient demands: implications for supplementation

Individual variation in micronutrient requirements: vitamin D, magnesium, and iron

The importance of the omega-6/omega-3 fatty acid ratio in health and disease

EPA supplementation and depression: systematic review and meta-analysis

DHA and brain aging: role of docosahexaenoic acid in cognitive decline

Conversion of ALA to EPA and DHA in humans: quantitative review

REDUCE-IT trial: cardiovascular risk reduction with icosapent ethyl

Oxidative quality of fish oil supplements: analysis of over-the-counter products

Harvey LJ, et al. Impact of menstrual blood loss and diet on iron deficiency among women in the UK. British Journal of Nutrition, 2005.

Pineda O, Ashmead HD. Effectiveness of treatment of iron-deficiency anemia in infants and young children with ferrous bis-glycinate chelate. Nutrition, 2001.

Liew SC, Gupta ED. Methylenetetrahydrofolate reductase (MTHFR) C677T polymorphism: epidemiology, metabolism and the associated diseases. European Journal of Medical Genetics, 2015.

Tian X, Diaz FJ. Acute dietary zinc deficiency before conception compromises oocyte epigenetic programming and disrupts embryonic development. Developmental Biology, 2013.

Facchinetti F, et al. Oral magnesium successfully relieves premenstrual mood changes. Obstetrics and Gynecology, 1991.

Wyatt KM, et al. Efficacy of vitamin B-6 in the treatment of premenstrual syndrome: systematic review. BMJ, 1999.

Rahbar N, et al. Effect of omega-3 fatty acids on intensity of primary dysmenorrhea. International Journal of Gynaecology and Obstetrics, 2012.

Park H, et al. A pilot phase II trial of magnesium supplements to reduce menopausal hot flashes in breast cancer patients. Supportive Care in Cancer, 2011.

Lee MS, et al. Maca (Lepidium meyenii) for treatment of menopausal symptoms: a systematic review. Maturitas, 2011.

Bannai M, Kawai N. New therapeutic strategy for amino acid medicine: glycine improves the quality of sleep. Journal of Pharmacological Sciences, 2012.

Lucas M, et al. Ethyl-eicosapentaenoic acid for the treatment of psychological distress and depressive symptoms in middle-aged women: a double-blind, placebo-controlled, randomized clinical trial. American Journal of Clinical Nutrition, 2009.

Knapen MHJ, et al. Three-year low-dose menaquinone-7 supplementation helps decrease bone loss in healthy postmenopausal women. Osteoporosis International, 2013.

Pottala JV, et al. Higher RBC EPA + DHA corresponds with larger total brain and hippocampal volumes: WHIMS-MRI study. Neurology, 2014.

Meyer HE, et al. Vitamin D deficiency and secondary hyperparathyroidism and the association with bone mineral density in persons with Pakistani and Norwegian background living in Norway. Bone, 2004.

De-Regil LM, et al. Effects and safety of periconceptional oral folate supplementation for preventing birth defects. Cochrane Database of Systematic Reviews, 2015.

Greenberg JA, et al. Folic acid supplementation and pregnancy: more than just neural tube defect prevention. Reviews in Obstetrics and Gynecology, 2011.

Caudill MA, et al. Maternal choline supplementation during the third trimester of pregnancy improves infant information processing speed: a randomized, double-blind, controlled feeding study. FASEB Journal, 2018.

Chiu YH, et al. Serum omega-3 fatty acids and treatment outcomes among women undergoing assisted reproduction. Human Reproduction, 2018.

Xu Y, et al. Pretreatment with coenzyme Q10 improves ovarian response and embryo quality in low-prognosis young women with decreased ovarian reserve: a randomized controlled trial. Reproductive Biology and Endocrinology, 2018.

Chu J, et al. Vitamin D and assisted reproductive treatment outcome: a systematic review and meta-analysis. Human Reproduction, 2018.

Unfer V, et al. Myo-inositol effects in women with PCOS: a meta-analysis of randomized controlled trials. Endocrine Connections, 2017.

Parazzini F, et al. Magnesium in the gynecological practice: a literature review. Magnesium Research, 2017.

Proctor ML, Murphy PA. Herbal and dietary therapies for primary and secondary dysmenorrhoea. Cochrane Database of Systematic Reviews, 2001.

Wyatt KM, et al. Efficacy of vitamin B-6 in the treatment of premenstrual syndrome: systematic review. BMJ, 1999.

Bertone-Johnson ER, Thys-Jacobs S, et al. Calcium and vitamin D intake and risk of incident premenstrual syndrome. Archives of Internal Medicine, 2005.

Pruthi S, et al. Vitamin E and evening primrose oil for management of cyclical mastalgia: a randomized pilot study. Alternative Medicine Review, 2010.

Yee BE, et al. Oral zinc supplementation for acne vulgaris: a systematic review and meta-analysis. PLOS ONE, 2020.

Sohrabi N, et al. Evaluation of the effect of omega-3 fatty acids in the treatment of premenstrual syndrome. Complementary Therapies in Medicine, 2013.

Milman N. Postpartum anemia I: definition, prevalence, causes, and consequences. Annals of Hematology, 2011.

Hibbeln JR. Seafood consumption, the DHA content of mothers' milk and prevalence rates of postpartum depression: a cross-national, ecological analysis. Journal of Affective Disorders, 2002.

Wiedeman AM, et al. Dietary choline intake: current state of knowledge across the life cycle. Nutrients, 2018.

Peppard L, et al. Association between vitamin B12 levels and depression in women at 6 months postpartum: a preliminary study. Nursing Research, 2020.

Fernandes MFS, et al. Effect of omega-3 fatty acid supplementation on postpartum depression: a systematic review and meta-analysis. Journal of Affective Disorders, 2021.

Nielsen FH. Magnesium deficiency and increased inflammation: current perspectives. Journal of Inflammation Research, 2018.

Aghajafari F, et al. Vitamin D deficiency and antenatal and postpartum depression: a systematic review. Nutrients, 2018.