Honey and Gut Health

Honey has a long history of use in promoting digestion and relieving constipation. Modern research is increasingly providing scientific support for this traditional understanding. This article synthesizes findings from multiple domestic and international studies on the regulatory effects of honey on gastrointestinal function, the physiological mechanisms behind constipation relief, clinical outcomes, and its impact on gut microbiota.

I. Natural Regulation of Gastrointestinal Function

Honey has long been recognized for its ability to regulate gastrointestinal function. Modern research shows that honey helps normalize gastric acid secretion, alleviates stomach pain and burning sensations, and increases red blood cell and hemoglobin levels. More importantly, honey enhances intestinal peristalsis and significantly shortens bowel transit time, thereby promoting digestion and relieving constipation.

II. The Key Role of Fructose

One of the core mechanisms by which honey alleviates constipation is closely related to its high fructose content. Ladas et al. (1995) reported that healthy adults consuming a normal dose of honey experience malabsorption of carbohydrates, particularly incomplete fructose absorption, which has a beneficial effect on constipation relief.

Further studies have revealed that incompletely absorbed fructose enters the colon, where it is metabolized by sugar-fermenting bacteria into low-molecular-weight organic acids. This process lowers intestinal pH and increases osmotic pressure within the gut. As a result, stools become hydrated, softened, and easier to pass. At the same time, the acidified intestinal environment accelerates peristalsis and speeds up fecal excretion (Ling, 1997; Weber et al., 1997).

Additionally, Moosa et al. (1994) found that honey significantly inhibits Helicobacter pylori—a bacterium closely associated with gastric ulcers—thereby protecting gastrointestinal health from another angle.

III. Animal Experimental Evidence

Pan Hong et al. (2010) established a mouse model of constipation using compound diphenoxylate to observe the effect of honey on small intestinal content propulsion. Results showed that both high- and medium-dose honey groups significantly enhanced small intestinal propulsion, increased fecal pellet count and weight, and the high-dose group also significantly shortened the time to first black stool excretion.

Long Shangqin et al. (2019) further found that honey increases substance P levels in the colonic tissue of constipated mice, raises fecal water content, accelerates small intestinal propulsion, and regulates gut microbiota imbalance, demonstrating a clear alleviating effect on constipation.

IV. Clinical Application Outcomes

Multiple clinical trials have confirmed the practical benefits of honey for constipation patients.

Han Zaigang et al. (2009) treated 46 elderly constipation patients with a low dose of laxative pills combined with honey. Results showed: 9 cured, 15 markedly effective, 14 effective, and 8 ineffective, with a total effective rate of 82.61%.

Song Shenfeng et al. (2010) studied nursing interventions combined with honey oil in elderly bedridden patients with femoral neck fractures and chronic constipation. Lü Lingling et al. (2011) conducted similar controlled trials in community-dwelling bedridden patients with chronic constipation after stroke. In both studies, patients were divided into an observation group (conventional nursing + oral honey oil) and a control group (conventional nursing only). Results showed that the observation group had significantly better bowel movement times and stool consistency than the control group (P < 0.01), indicating that honey oil has clear efficacy in preventing and improving constipation in bedridden patients.

V. Oral vs. Topical Application

Honey is effective for relieving constipation whether taken orally or applied topically. Pan Hong et al. (2010) noted that topical honey is superior to glycerin suppositories for infant and elderly constipation, with no side effects. The mechanism remains linked to incomplete fructose absorption (Ladas et al., 1995).

VI. Prebiotic Modulation of Gut Microbiota

Honey’s contribution to gut health extends beyond physical laxation to include active regulation of the intestinal microecology. Chen Qiang et al. (2022) pointed out that honey has prebiotic potential to promote healthy gut function, modulate gut microbiota, and reduce infection and inflammation.

Wang Yuhan (2022) found that honey inhibits infection-causing bacteria in the gut, while beneficial bacteria such as Lactobacillus and Bifidobacterium can utilize the oligosaccharides in honey to proliferate. The growth of beneficial bacteria also produces short-chain fatty acids, which further stimulate intestinal peristalsis and accelerate fecal excretion.

Mohan et al. (2017) confirmed that the various oligosaccharides in honey can be metabolized by gut microbes to produce beneficial substances and improve gut microbiota homeostasis. Rosendale et al. (2008) showed that manuka honey promotes the abundance of probiotic strains (Limosilactobacillus reuteri, Lacticaseibacillus rhamnosus, and Bifidobacterium lactis) while inhibiting the growth of harmful bacteria (Escherichia coli, Salmonella Typhimurium, and Staphylococcus aureus).

Additionally, Zhu Jingyu et al. found that buckwheat honey increased the relative abundance of Bacteroidetes and decreased that of Firmicutes, ameliorating alcohol-induced changes in 16 bacterial genera and thereby alleviating alcohol-induced gut microbiota dysbiosis.

VII. Synergistic Mechanisms of Multiple Components

Honey’s laxative effect is closely tied to its diverse components:

Fructose: Not fully absorbed in the small intestine; creates a hyperosmolar environment that draws water into the intestinal lumen, increasing stool water content and softening feces.

Oligosaccharides: Act as prebiotics, promoting the growth of beneficial bacteria, which produce short-chain fatty acids that stimulate intestinal peristalsis.

Organic acids: Stimulate intestinal mucosal cells, enhancing peristaltic activity.

Enzymes: Aid in breaking down food nutrients, facilitating digestion and absorption, and reducing food accumulation in the gut.

These components work synergistically, making honey a natural, gentle, and multi-targeted supporter of gut health.

Conclusion

From traditional dietary therapy to modern scientific research, honey’s value in promoting digestion and relieving constipation has been widely validated. It acts not only through mechanisms such as incomplete fructose absorption, organic acid stimulation, and enzyme-assisted digestion but also as a prebiotic that modulates gut microbiota balance. Whether taken orally or applied topically, honey offers a safe and effective natural option for individuals suffering from constipation—especially the elderly, bedridden patients, and infants.

Reference

1. Chen, Q., Luo, X.L., Liu, Z.J., et al. (2022). Characterization and quality analysis of Rhus chinensis honey from Apis cerana in the mountainous area of southeastern Chongqing. Apiculture of China, 73(12), 44-46.
2. Han, Z.G., & Wang, C.H. (2009). Treatment of 46 elderly constipation cases with low-dose laxative pills combined with honey. Chinese Journal of Civil-Military Medicine, 21(24), 3128.
3. Huang, W.C. (2003). Application of honey in modern medicine. Apiculture of China, 54(1), 38-39.
4. Ladas S D, Haritos D N, Raptis S A. Honey may have a laxative effect on normal subjects because of incomplete fructose absorption[J].American Journal of Clinical Nutrition, 1995, 62(6): 1212-1215.
5. Ling W H, Hanninen O, Mykkanen H, et al. Colonization and fecal enzyme activities after oral Lactobacillus GG administration in elderly nursing home residents. Ann Nutr Metab,1992,36 (3):162-166.
6. Long, S.Q., Liu, Q.C., Ma, H., et al. (2019). Effect of honey on intestinal microecology in loperamide-induced constipated mice. Chinese Journal of Microecology, (3), 273-279.
7. Lyu, L.L., Li, X., & Wu, Y.Y. (2011). Preventive effect of nursing intervention combined with honey oil on constipation in long-term bedridden community stroke patients. China Practical Medicine, 6(20), 185.
8. MOHAN A, QUEK S Y, GUTIERREZ-MADDOX N,et al. Effect of honey in improving the gut microbial balance[J]. Food Quality and Safety,2017,1(2):107-115.
9. Moosa A, Kadri M. Inhibition of Helicobacter pylori by commercial honey. Medical Principles and Practice, 1994, 4: 114-116.
10. Pan, H., Liu, H.X., & Guo, L. (2010). Study on the laxative effect of honey in mice. Journal of Binzhou Medical University, 33(4), 277-281.
11. ROSENDALE D I, MADDOX I S, MILES M C, et al. High-throughput microbial bioassays to screen potential New Zealand functional food ingredients intended to manage the growth of probiotic and bacteria [J]. International Journal of pathogenic gut Food Science & Technology, 2008,43(12):2257-2267.
12. Song, S.F., & Hou, Q.R. (2010). Effect of nursing intervention combined with honey oil on long-term bedridden constipation in elderly patients with femoral neck fracture. Chinese Community Doctors (Medical Professional Edition), 12(227), 131.
13. Wang, Y.H. (2022). Changes of oligosaccharides during the ripening process of loquat honey and their distribution in different honeys [Master's thesis]. Beijing: Chinese Academy of Agricultural Sciences.
14. Weber FL Jr. Effect of lactulose on nitrogen metabolism. Scand J Gastroenterol Suppl, 1997,222:83-87.
15. Zhu, J.Y., Wang, J., Jin, X.E., et al. (2021). Ameliorative effect of buckwheat honey on alcohol-induced liver injury and gut microbiota dysbiosis in mice. Journal of Huazhong Agricultural University, 40(5), 169-178.