Ranitidine can affect this through 2 different nutrient pathways: Zinc, Vitamin A. This medication is commonly used for Stomach Acid.
Each nutrient below contributes to this impact through a different mechanism.
Zinc deficiency during childhood and adolescence is strongly linked to impaired linear growth and delayed sexual maturation, and is a recognized contributor to stunting in many low‑ and middle‑income countries. In some population studies, zinc deficiency has been present in over 30–40% of children, and zinc supplementation programs have been associated with modest but meaningful improvements in height gain over time. Clinically, even marginal zinc deficiency can quietly slow growth velocity and pubertal progression, making adequate zinc intake an important, often overlooked pillar of healthy growth and development.
Abdollahi M, Ajami M, Abdollahi Z, Kalantari N, Houshiarrad A, Fozouni F, Fallahrokni A, Mazandarani FS. Zinc supplementation is an effective and feasible strategy to prevent growth retardation in 6 to 24 month children: A pragmatic double blind, randomized trial. Heliyon. 2019 Nov 1;5(11):e02581. Walravens PA, Krebs NF, Hambidge KM. Linear growth of low income preschool children receiving a zinc supplement. Am J Clin Nutr. 1983 Aug;38(2):195-201. Rerksuppaphol S, Rerksuppaphol L. Zinc supplementation enhances linear growth in school-aged children: A randomized controlled trial. Pediatr Rep. 2018 Jan 4;9(4):7294. Zinc deficiency as risk factor for stunting among children aged 2-5 years. (2017). Universa Medicina, 36(1), 11-18.
Vitamin A and its precursor beta carotene play a key role in cell differentiation and tissue growth, so deficiency is strongly linked to impaired linear growth and developmental delays in children. In some low‑income regions, vitamin A deficiency affects up to a third of preschool‑aged children, and supplementation programs in deficient populations have been associated with measurable improvements in growth as well as reductions in child morbidity and mortality. Even in milder deficiency states, inadequate vitamin A status can subtly slow growth velocity, weaken epithelial barriers, and compromise immune development, making sufficient intake during pregnancy and childhood especially important for healthy growth and maturation.
West KP, LeClerq SC, Shrestha SR, Wu LS, Pradhan EK, Khatry SK, Katz J, Adhikari R, Sommer A. Effects of vitamin A on growth of vitamin A-deficient children: field studies in Nepal. J Nutr. 1997 Oct;127(10):1957-65. Hu Q, Lyu J, Li J, Lin X, Li S, Bu Y and Zhao Q (2025) A comprehensive analysis of vitamin a deficiency burden and trends: insights from the global burden of disease study 2021 and future predictions to 2050. Front. Nutr. 12:1673576. Ssentongo P, Ba DM, Ssentongo AE, Fronterre C, Whalen A, Yang Y, Ericson JE, Chinchilli VM. Association of vitamin A deficiency with early childhood stunting in Uganda: A population-based cross-sectional study. PLoS One. 2020 May 29;15(5):e0233615.
Some side effects may be linked to nutrient depletion caused by this medication.
Long-term use of H2 blockers may increase your risk of zinc deficiency. These medications work by reducing stomach acid, which is crucial for absorbing zinc from food. Zinc is an essential mineral that supports a healthy immune system and wound healing. Deficiency can lead to various health problems. A study directly investigated the impact of cimetidine, a common H2 blocker, on zinc absorption. The research found that zinc absorption significantly decreased after cimetidine administration, highlighting the role of stomach acid in this process. Individuals who take H2 blockers for extended periods should consider supplementation with zinc to protect against a deficiency.
Research suggests that long-term use of H2 blockers and antacids might raise the risk of folic acid deficiency. These medications work by reducing stomach acid, which can also play a role in folic acid absorption. Folic acid is crucial for healthy cell growth and development, and a deficiency can lead to various health problems, especially during pregnancy. Some studies show a potential link between H2 blocker/antacid use and lower folic acid levels. Individuals who take H2 blockers or antacids for extended periods should consider supplementation with folic acid to protect against a deficiency.
Research suggests that long-term use of medications that reduce stomach acid, like H2 blockers and PPIs, may be linked to vitamin B12 deficiency. Stomach acid plays a role in releasing vitamin B12 from food, and reduced acid levels caused by these medications could hinder proper B12 absorption. Some studies find an increased risk of B12 deficiency, particularly in older adults or those using these medications for extended periods. Individuals taking H2 blockers or PPIs long-term should consider vitamin B12 supplementation.
Vitamin A plays a vital role in maintaining a healthy gut lining, which is crucial for overall stomach health. This is why some research has explored its potential use alongside other medications for treating ulcers. Research suggests vitamin A supplementation may be effective specifically for treating ulcers alongside H2 blockers.