Aloe vera has been traditionally used in various cultures for digestive complaints, including gastritis, due to its soothing, anti-inflammatory, and mucilaginous properties. Historically, Aloe vera gel has been consumed as a demulcent to help coat and protect the stomach lining, potentially alleviating symptoms such as pain and irritation associated with gastritis. Traditional systems of medicine, such as Ayurveda and traditional Chinese medicine, have included Aloe preparations for gastrointestinal health for centuries.

However, scientific evidence supporting the efficacy of Aloe vera specifically for gastritis is limited and mostly preliminary. Some in vitro and animal studies suggest Aloe vera may have anti-inflammatory effects on gastric tissue and may promote mucosal healing. A few small clinical studies have indicated potential benefits for general gastrointestinal health, including reduced inflammation and ulcer healing, but rigorous, large-scale human trials focused on gastritis are lacking. Additionally, the quality and safety of Aloe products can vary, and improper use (especially of Aloe latex rather than the inner gel) can cause gastrointestinal upset or other side effects.

In summary, the use of Aloe vera for gastritis is primarily justified by traditional use, with limited low-quality scientific support. It should be used cautiously, and individuals should consult healthcare professionals before using Aloe for gastritis.