The potential of various herbs and spices to bolster cognitive health and prevent memory decline is a topic of growing scientific interest. Many of these herbs may already be present in your kitchen, yet their profound impact on brain function might not be as widely known. A number of these plants have undergone clinical studies for their effects on Alzheimer’s disease, while others have been explored for their broader cognitive benefits, including enhancing memory, learning, and overall mental clarity.
In this article, we explore several herbs and spices that have been scientifically studied for their positive effects on brain health.
Herbs that have been studied for their effect on brain function
1. Sage
Sage is not only a popular culinary herb but also recognized for its neuro-protective properties. Known for its potent aroma, sage has shown promise in improving cognitive function and may aid in the treatment of Alzheimer’s disease. A 2017 review of the literature found that sage contains bioactive compounds that support neurological function, suggesting it could play a role in enhancing memory and cognitive abilities. Researchers have also noted its potential in mitigating symptoms associated with neurodegenerative diseases. Incorporating sage into dishes such as roasted vegetables, poultry, or even in teas may provide these cognitive benefits.
2. Turmeric
A cornerstone of both TCM & Ayurvedic medicine, turmeric contains curcumin, a compound with strong anti-inflammatory and antioxidant properties. Research published in 2010 highlighted curcumin’s role in promoting brain health by reducing oxidative stress and inflammation—two factors implicated in Alzheimer’s disease. Curcumin is thought to assist in clearing beta-amyloid plaques, protein fragments that accumulate in the brains of Alzheimer’s patients, contributing to the disease’s progression. Adding turmeric to soups, stews, or curries (along with black pepper to enhance absorption) could thus support cognitive function.
3. Ginkgo Biloba
Ginkgo biloba has a long history of use in traditional Chinese medicine, particularly for treating cognitive disorders. Ginkgo is believed to enhance memory by improving blood circulation and increasing oxygen supply to the brain. Although research results are mixed, a 2015 study published in the Journal of Alzheimer’s Disease found that an extract of ginkgo biloba, EGb761, may slow cognitive decline in individuals with neuropsychiatric symptoms of Alzheimer’s or mild cognitive impairment. These findings suggest ginkgo biloba may offer therapeutic benefits for those suffering from memory-related disorders.
4. Ashwagandha
This powerful herb, commonly used in various types of asian medicine, is recognized for its ability to reduce oxidative stress—a factor that contributes to both the onset and progression of Alzheimer’s disease. Preliminary research, as reviewed in 2010, indicated that ashwagandha might inhibit the formation of beta-amyloid plaques, which are central to the pathology of Alzheimer’s. By mitigating oxidative damage in the brain, ashwagandha may help preserve cognitive function and slow age-related memory decline.
5. Ginseng
Widely used in TCM, ginseng is reputed for its cognitive-enhancing properties. Ginsenosides, the active compounds in ginseng, possess anti-inflammatory and antioxidant properties, which may reduce the levels of beta-amyloid in the brain—a key feature of Alzheimer’s disease. A 2018 review of studies suggested that ginsenosides could help protect against memory loss, particularly in aging populations, further establishing ginseng as one of the leading herbs for cognitive health.
6. Gotu Kola
Gotu kola, also known as the Asian Pennywort, is another herb with a long history of use in traditional medicine systems such as Ayurveda and traditional Chinese medicine. Known for its ability to enhance mental clarity, animal-based studies suggest that gotu kola may protect the brain by reducing oxidative stress. For example, a study published in Clinical and Experimental Pharmacology & Physiology in 2003 demonstrated that gotu kola may prevent oxidative damage associated with Alzheimer’s disease and improve cognitive performance in animal models. While more human studies are needed, the preliminary evidence supports its use for cognitive health.
7. Lemon Balm
Lemon balm is often consumed as a tea or supplement to ease anxiety and insomnia, but its potential for improving cognitive function is also noteworthy. In a 2003 study published in the Journal of Neurology, Neurosurgery, and Psychiatry, patients with mild to moderate Alzheimer’s disease who took lemon balm extract showed significant improvements in cognitive function compared to those receiving a placebo. This herb’s calming effects, coupled with its cognitive benefits, make it a promising candidate for managing early-stage memory decline.
Conclusion
Incorporating these may offer considerable benefits for brain health. While many of these herbs have roots in traditional medicine, modern research continues to explore their potential for preventing memory loss and supporting cognitive function. As always, consult with a R.TCMP or other healthcare professionals before adding new herbs to your regimen, particularly if you are managing other health conditions.
References
Lopresti AL. Salvia (Sage): A Review of its Potential Cognitive-Enhancing and Protective Effects. Drugs R D. 2017;17(1):53–64. doi:10.1007/s40268-016-0157-5
Kulkarni SK, Dhir A. An overview of curcumin in neurological disorders. Indian J Pharm Sci. 2010;72(2):149–154. doi:10.4103/0250-474X.65012
Tan MS, Yu JT, Tan CC, et al. Efficacy and adverse effects of ginkgo biloba for cognitive impairment and dementia: a systematic review and meta-analysis. J Alzheimers Dis. 2015;43(2):589-603. doi:0.3233/JAD-140837
Ven murthy MR, Ranjekar PK, Ramassamy C, Deshpande M. Scientific basis for the use of Indian ayurvedic medicinal plants in the treatment of neurodegenerative disorders: ashwagandha. Cent Nerv Syst Agents Med Chem. 2010;10(3):238-46.
Zheng M, Xin Y, Li Y, et al. Ginsenosides: A Potential Neuroprotective Agent. Biomed Res Int. 2018;2018:8174345. Published 2018 May 8. doi:10.1155/2018/8174345
Veerendra kumar MH, Gupta YK. Effect of Centella asiatica on cognition and oxidative stress in an intracerebroventricular streptozotocin model of Alzheimer’s disease in rats. Clin Exp Pharmacol Physiol. 2003;30(5-6):336-42.
Akhondzadeh S, Noroozian M, Mohammadi M, Ohadinia S, Jamshidi AH, Khani M. Melissa officinalis extract in the treatment of patients with mild to moderate Alzheimer’s disease: a double blind, randomised, placebo controlled trial. J Neurol Neurosurg Psychiatry. 2003;74(7):863–866. doi:10.1136/jnnp.74.7.863
