Schaafsma G, Meuling WJ, van Dokkum W, Bouley C. Effects of a milk product, fermented by Lactobacillus acidophilus and with fructo-oligosaccharides added, on blood lipids in male volunteers. Eur J Clin Nutr 1998;52:436-40.
St-Onge MP, Farnworth ER, Savard T, et al. Kefir consumption does not alter plasma lipid levels or cholesterol fractional synthesis rates relative to milk in hyperlipidemic men: a randomized controlled trial [ISRCTN10820810]. BMC Complement Altern Med 2002;2:1.
Agerbaek M, Gerdes LU, Richelsen B. Hypocholesterolaemic effect of a new fermented milk product in healthy middle-aged men. Eur J Clin Nutr 1995;49:346-52.
Richelsen B, Kristensen K, Pedersen SB. Long-term (6 months) effect of a new fermented milk product on the level of plasma lipoproteins--a placebo-controlled and double blind study (abstract). Eur J Clin Nutr 1996;50:811-5.
Schaafsma G, Meuling WJ, van Dokkum W, Bouley C. Effects of a milk product, fermented by Lactobacillus acidophilus and with fructo-oligosaccharides added, on blood lipids in male volunteers. Eur J Clin Nutr 1998;52:436-40.
Murofushi M, Mizuguchi J, Aibara K, Matuhasi T. Immunopotentiative effect of polysaccharide from kefir grain, KGF-C, administered orally in mice. Immunopharmacology 1986;12:29-35.
Shiomi M, Sasaki K, Murofushi M, Aibara K. Antitumor activity in mice of orally administered polysaccharide from Kefir grain. Jpn J Med Sci Biol 1982;35:75-80.
Rimada PS, Abraham AG. Polysaccharide production by kefir grains during whey fermentation. J Dairy Res 2001;68:653-61.
De Vrese M, Keller B, Barth CA. Enhancement of intestinal hydrolysis of lactose by microbial beta-galactosidase (EC 3.2.1.23) of kefir. Br J Nutr 1992;67:67-75.
Simova E, Beshkova D, Angelov A, et al. Lactic acid bacteria and yeasts in kefir grains and kefir made from them. J Ind Microbiol Biotechnol 2002;28:1-6.
Alm L. Effect of fermentation on lactose, glucose, and galactose content in milk and suitability of fermented milk products for lactose intolerant individuals. J Dairy Sci 1982;65:346-52.
Marquina D, Santos A, Corpas I, et al. Dietary influence of kefir on microbial activities in the mouse bowel. Lett Appl Microbiol 2002;35:136-40.
Thoreux K, Schmucker DL. Kefir milk enhances intestinal immunity in young but not old rats. J Nutr 2001;131:807-12.
Murofushi M, Shiomi M, Aibara K. Effect of orally administered polysaccharide from kefir grain on delayed-type hypersensitivity and tumor growth in mice. Jpn J Med Sci Biol 1983;36:49-53.
Merenstein DJ, Foster J, D'Amico F. A randomized clinical trial measuring the influence of kefir on antibiotic-associated diarrhea. Arch Pediatr Adolesc Med 2009;163:750-4.
Athanasiadis, I., Boskou, D., Kanellaki, M., and Koutinas, A. A. Low-temperature alcoholic fermentation by delignified cellulosic material supported cells of kefir yeast. J.Agric.Food Chem. 1999;47(10):4474-4477.
Hertzler, S. R. and Clancy, S. M. Kefir improves lactose digestion and tolerance in adults with lactose maldigestion. J.Am.Diet.Assoc. 2003;103(5):582-587.
Figler, M., Mozsik, G., Schaffer, B., Gasztonyi, B., Acs, P., Szili, B., Rab, R., and Szakaly, S. Effect of special Hungarian probiotic kefir on faecal microflora. World J Gastroenterol. 2-21-2006;12(7):1129-1132.
Topuz, E., Derin, D., Can, G., Kurklu, E., Cinar, S., Aykan, F., Cevikbas, A., Disci, R., Durna, Z., Sakar, B., Saglam, S., Tanyeri, H., Deniz, G., Gurer, U., Tas, F., Guney, N., and Aydiner, A. Effect of oral administration of kefir on serum proinflammatory cytokines on 5-FU induced oral mucositis in patients with colorectal cancer. Invest New Drugs 2008;26(6):567-572.
Rabl, W., Liniger, B., Sutter, K., and Sigrist, T. [Ethanol content of Kefir water]. Blutalkohol 1994;31(2):76-79.
Bekar O, Yilmaz Y, Gulten M. Kefir improves the efficacy and tolerability of triple therapy in eradicating Helicobacter pylori. J Med Food. 2011;14(4):344-7.
Can G, Topuz E, Derin D, Durna Z, Aydiner A. Effect of kefir on the quality of life of patients being treated for colorectal cancer. Oncol Nurs Forum. 2009;36(6):E335-42.
Fathi Y, Faghih S, Zibaeenezhad MJ, Tabatabaei SH. Kefir drink leads to a similar weight loss, compared with milk, in a dairy-rich non-energy-restricted diet in overweight or obese premenopausal women: a randomized controlled trial. Eur J Nutr. 2016;55(1):295-304.
O'Brien KV, Stewart LK, Forney LA, Aryana KJ, Prinyawiwatkul W, Boeneke CA. The effects of postexercise consumption of a kefir beverage on performance and recovery during intensive endurance training. J Dairy Sci. 2015;98(11):7446-9.
Tu MY, Chen HL, Tung YT, Kao CC, Hu FC, Chen CM. Short-term effects of kefir-fermented milk consumption on bone mineral density and bone metabolism in a randomized clinical trial of osteoporotic patients. PLoS One. 2015;10(12):e0144231.
Turan I, Dedeli Ö, Bor S, Ilter T. Effects of a kefir supplement on symptoms, colonic transit, and bowel satisfaction score in patients with chronic constipation: a pilot study. Turk J Gastroenterol. 2014;25(6):650-6.
Bellikci-Koyu E, Sarer-Yurekli BP, Akyon Y, et al. Effects of regular kefir consumption on gut microbiota in patients with metabolic syndrome: A parallel-group, randomized, controlled study. Nutrients. 2019;11(9). pii: E2089.
Yilmaz I, Dolar ME, Özpinar H. Effect of administering kefir on the changes in fecal microbiota and symptoms of inflammatory bowel disease: A randomized controlled trial. Turk J Gastroenterol. 2019;30(3):242-253.
Wang MC, Zaydi AI, Lin WH, Lin JS, Liong MT, Wu JJ. Putative probiotic strains isolated from kefir improve gastrointestinal health parameters in adults: a randomized, single-blind, placebo-controlled study. Probiotics Antimicrob Proteins. 2019.
Silva-Cutini MA, Almeida SA, Nascimento AM, et al. Long-term treatment with kefir probiotics ameliorates cardiac function in spontaneously hypertensive rats. J Nutr Biochem. 2019;66:79-85.
Özcan H, Oskay Ü, Bodur AF. Effects of kefir on quality of life and sleep disturbances in postmenopausal women. Holist Nurs Pract. 2019;33(4):207-213.
Salari A, Ghodrat S, Gheflati A, Jarahi L, Hashemi M, Afshari A. Effect of kefir beverage consumption on glycemic control: A systematic review and meta-analysis of randomized controlled clinical trials. Complement Ther Clin Pract 2021;44:101443.
Lee MC, Jhang WL, Lee CC, et al. The Effect of Kefir Supplementation on Improving Human Endurance Exercise Performance and Antifatigue. Metabolites 2021;11(3):136.
Alves E, Gregório J, Rijo P, Rosado C, Rodrigues LM. The Impact of Kefir on Epidermal Water Homeostasis in Healthy Human Skin. Life (Basel) 2022;12(7):1075.
Chen YT, Hsu AH, Chiou SY, Lin YC, Lin JS. AB-Kefir Reduced Body Weight and Ameliorated Inflammation in Adipose Tissue of Obese Mice Fed a High-Fat Diet, but Not a High-Sucrose Diet. Nutrients 2021;13(7):2182.
Alves E, Gregório J, Baby AR, Rijo P, Rodrigues LM, Rosado C. Homemade Kefir Consumption Improves Skin Condition-A Study Conducted in Healthy and Atopic Volunteers. Foods 2021;10(11):2794.
Reddy S, Madhu V, Punithavathy R, Satyam M, Chowdary UK, Mythraiye R. Comparative Evaluation of Efficacy of Kefir Milk Probiotic Curd and Probiotic Drink on Streptococcus mutans in 8-12-year-old Children: An In Vivo Study. Int J Clin Pediatr Dent 2021;14(1):120-127.
Bellikci-Koyu E, Sarer-Yurekli BP, Karagozlu C, Aydin-Kose F, Ozgen AG, Buyuktuncer Z. Probiotic kefir consumption improves serum apolipoprotein A1 levels in metabolic syndrome patients: a randomized controlled clinical trial. Nutr Res 2022;102:59-70.
Yahyapoor F, Haghighat N, Sohrabi Z, et al. Effects of Kefir Consumption on Cardiometabolic Risk Factors: A Systematic Review and Meta-analysis of Randomized Controlled Trials. Curr Drug Targets 2023.
Rodríguez-Hernández AI, Salinas E, Tirado González DN, et al. Effects of a Modern Kefir on Conditions Associated with Moderate Severe Spastic Quadriparesis Cerebral Palsy. Microorganisms 2022;10(7):1291.
Koksal ZG, Uysal P, Mercan A, Bese SA, Erge D. Does maternal fermented dairy products consumption protect against cow's milk protein allergy in toddlers?. Ann Allergy Asthma Immunol 2023;130(3):333-339.
Gross KN, Harty PS, Krieger JM, et al. Milk or Kefir, in Comparison to Water, Do Not Enhance Running Time-Trial Performance in Endurance Master Athletes. Nutrients 2024;16(5):717.