Rethinking Weeds: Gotu Kola (Centella Asiatica)
Gotu Kola for Arthritis, Skin Conditions & Brain function
Gotu Kola (GK), also known as pennywort and not to be confused with Australian Native violet (Viola Hederacea), is commonly seen in lawns and gardens throughout Australia. It is traditionally used in natural medicine for skin conditions, relieving arthritis and improving brain function due to its antimicrobial, antioxidant, anti-inflammatory, neuroprotective and wound healing properties.
Whilst still in the early stages, recent studies are validating the traditional uses as well as suggesting new possible new applications for GK, such as lowering high blood pressure, treating venous insufficiency and improving the immunomodulatory parameters (highly statistically significant) of Type II diabetes with a GK mouthwash. A 2017 systemic review also found in pre-clinical and human trials that it had GABA modulating effects i.e. it has an effect on one our calming neurotransmitters that effects moods such as anxiety, stress and fear.
Other reviews of human studies in 2020 and 2021 “confirmed the potent dermatological effects” of GK in the treatment of skin diseases such as acne, burns, atopic dermatitis and wound healing. These were a combination of topical AND oral administration of the herb. Many compounds in the plant were identified, particularly triterpenes, that exerted a molecular mechanism and subsequent therapeutic effect.
A 2022 systemic review found that GK increases angiogenesis (formation of new blood vessels) and decreases inflammatory factors such as swelling, redness and pain and therefore would be beneficial in wound healing and arthritis.
A rich source of B vitamins, GK loves damp conditions but can get invasive in the garden and so looks lovely in a pot on its own. For Preventative Medicine it can be added to salads, smoothies, eggs, used as a tea or an edible garnish. More advanced conditions may require the assistance of a Herbal Medicine Practitioner or Naturopath.
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This information is intended for educational purposes only. Please consult a health care provider before pursuing any herbal treatments. Herbs can interact with pharmaceutical medications. References available on request.