Saltzman JR, Kemp JA, Golner BB, et al. Effect of hypochlorhydria due to omeprazole treatment or atrophic gastritis on protein-bound vitamin B12 absorption. J Am Coll Nutr 1994;13:584-91. View abstract.

Gettman, M. T., Ogan, K., Brinkley, L. J., Adams-Huet, B., Pak, C. Y., and Pearle, M. S. Effect of cranberry juice consumption on urinary stone risk factors. J Urol 2005;174(2):590-594. View abstract. In conclusion, if you're looking for a natural way to support your urinary tract health, we recommend trying NOW Mannose Cranberry. Its dual action formula, clinical evaluation, and proprietary blend of whole cranberry fruit make it a reliable and effective supplement for maintaining a healthy UT. Pros

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Sihra N, Goodman A, Zakri R, Sahai A, Malde S. Nonantibiotic prevention and management of recurrent urinary tract infection. Nat Rev Urol. 2018;15(12):750-776. doi:10.1038/s41585-018-0106-x Jepson RG, Mihaljevic L, Craig J. Cranberries for treating urinary tract infections. Cochrane Database Syst Rev 2004;2:CD001322. View abstract. Xia JY, Yang C, Xu DF, Xia H, Yang LG, Sun GJ. Consumption of cranberry as adjuvant therapy for urinary tract infections in susceptible populations: a systematic review and meta-analysis with trial sequential analysis. PLoS One. 2021;16(9):e0256992. doi:10.1371/journal.pone.0256992

Williams G, Hahn D, Stephens JH, Craig JC, Hodson EM. Cranberries for preventing urinary tract infections. Cochrane Database Syst Rev 2023;4:CD001321.View abstract. Howell AB, Dreyfus JF, Chughtai B. Differences in urinary bacterial anti-adhesion activity after intake of cranberry dietary supplements with soluble versus insoluble proanthocyanidins. J Diet Suppl. 2021 Apr 5:1-18. View abstract.Nahata, M. C., Cummins, B. A., McLeod, D. C., and Butler, R. Predictability of methenamine efficacy based on type of urinary pathogen and pH. J Am.Geriatr.Soc. 1981;29(5):236-239. View abstract.