Goat milk and its proteins have been explored in scientific studies for their potential to support or treat gastric ulcers, primarily due to their nutritional composition and certain bioactive properties. Animal studies, particularly in rats, have indicated that goat milk may have a beneficial effect on gastric mucosa and could promote ulcer healing. For example, research published in journals such as Journal of Medicinal Food has demonstrated that goat milk whey proteins might provide a protective effect against ethanol-induced gastric lesions, possibly due to their antioxidant and anti-inflammatory properties. The proteins and peptides in goat milk can help maintain mucosal integrity and may stimulate mucus secretion, which is a key defense mechanism in the stomach lining.

However, clinical evidence in humans is scarce. Most of the supportive data comes from preclinical studies and a few small-scale investigations. Unlike cow milk, goat milk is less likely to increase gastric acid secretion, which could theoretically make it more suitable for ulcer patients, though direct comparisons are limited. There is little evidence from large, controlled human studies to firmly establish goat milk protein as an effective treatment for ulcers. Thus, while there is a scientific basis and some preliminary evidence, it is not robust or conclusive, and goat milk protein should not be considered a primary or standalone therapy for ulcers.