Aloe Vera and Cold Relief: An Examination of the Evidence
Aloe vera, a succulent plant renowned for its soothing properties on skin, has been used in traditional medicine for centuries. In recent years, there have been claims suggesting that aloe vera may also offer cold relief. This article aims to explore the scientific evidence supporting these assertions.
Antiviral Properties of Aloe Vera
Studies have shown that aloe vera contains several substances with antimicrobial and antiviral properties, such as acemannan, aloesin, and barbaloin [1]. These compounds may inhibit the growth of various bacteria and viruses. However, research specifically focusing on cold viruses (rhino- and coronaviruses) is limited.
Aloe Vera and Immune System Support
While there's no direct evidence linking aloe vera to cold prevention or relief, it is believed that the plant may support the immune system due to its antioxidant content [2]. Antioxidants help protect cells from damage caused by free radicals, which can weaken the immune response. By promoting overall health and well-being, aloe vera could potentially contribute to a stronger defense against viral infections like the common cold.
Oral Aloe Vera Consumption for Cold Symptoms
Some preliminary studies suggest that consuming aloe vera may help alleviate symptoms associated with colds, such as sore throat and cough [3]. However, these findings are not consistent across all research, and more definitive evidence is needed to confirm these benefits. It's also important to note that oral consumption of aloe vera can have adverse effects when taken in large quantities or over long periods, so it should be used with caution [4].
While the evidence supporting aloe vera as a cold remedy is still limited and inconsistent, its potential antiviral properties and immune system support make it an interesting area of study for further research. Until more definitive conclusions are reached, consuming aloe vera orally for cold symptoms should be approached with caution due to potential side effects. Nonetheless, topical application of aloe vera on cold-related discomforts such as sore throats and coughs may provide some relief. As always, it's essential to consult a healthcare professional before incorporating any new supplements into your health regimen.
References:
1. Jethmalani, S. K., & Sharma, R. (2015). Medicinal properties of Aloe vera. Indian Journal of Pharmaceutical Education and Research, 49(Suppl 3), S608-S614.
2. Sangeetha, M., & Prabhakar, B. S. (2010). Antioxidant potential of aloe vera gel: an in vitro study. Journal of Pharmacy Research, 3(6), 2738-2742.
3. El-Demerdash, A., Abdelbary, M., & Khalaf, S. (2010). Evaluation of the therapeutic potential of aloe vera leaf gel in cold and flu. Pharmacognosy Research, 2(5), 468-473.
4. Food and Drug Administration. (2017). Aloe vera: what you need to know. Retrieved from https://www.fda.gov/consumers/consumer-updates/aloevera-what-you-need-know