Evaluation of clinical effectiveness of Aloe vera – a review

Naturally occurring products have gained popularity in recent decades, especially due to their less adverse effects on human health. Various Aloe species are widespread all over the world. Aloe vera is one of the plants exhibiting multiple benefits and has gained considerable importance in clinical research. Historically, it has been used for a variety of medicinal purposes. It has attracted the attention of many researchers because of its different properties. More than 200 different biologically active substances were found in this plant that contributed to the fact it has been used to treat various types of diseases. The healthy effect of Aloe vera is primarily attributed to the polysaccharides contained in the gel of the leaves. It has been traditionally used to treat various conditions, including psoriasis, sunburn or radiation-related dermatitis, mucositis, oesophagitis or lichen planus. Aloe vera has also found application in wound healing, treatment of burns, protection against skin damage caused by X-ray, intestinal problems, reduction of plaque and gingivitis, regulating the levels of plasma lipoproteins, reduction of blood sugar levels and improving the immune system. Other biological activities of aloe, such as antifungal, antibacterial, antiviral, anti-inflammatory, anticancer and immunomodulatory have also been documented in numerous studies. This review examines the possible applications of Aloe vera in clinical trials.