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Holy Basil Capsules


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Holy Basil (known as Ocimum Tenuiflorum or Ocimum Sanctum) or Tulsi, is an adaptogenic herb native to India (1, 2).

Holy Basil Benefits

  • Mood and stress support (ref)*
  • Promotes immune system function (ref)*
  • Supports healthy blood pressure (ref)(ref)*
  • Promotes healthy triglyceride levels (ref)*

Holy Basil Mode of Action

Holy Basil has been used in traditional Indian Ayurvedic philosophy for more than 3000 years. The Hindi name for Holy Basil is Tulsi. Recent clinical and pharmacological studies have praised Holy Basil for a number of benefits from Holy Basil’s leaves and leaf extract (2).

There are three types of Holy Basil: Ocimum tenuiflorum (or Ocimum sanctum) which include 2 different cultivars of Holy Basil--the green or purplish leaves--and Ocimum gratissimum. Holy Basil’s constituents are ursolic acid, biovlanols (such as lutein and Apigenin), eugenol, ocimumosides A and B, rosmarinic acid, and ocimarin. Eugenol is the active ingredient in the three species of Ocimum, but the phytochemistry of the plant is very complex, and secondary active metabolites like phenylpropanoids, monoterpenes, and sequiterpenes may be able to produce benefits on their own or in combination with the other active constituents of Holy Basil (2).

Holy Basil is an adaptogen, or an anti-stress remedy (3). Adaptogens modify the stress response by increasing the ability to adapt. They mediate the adaptive stress response at a cellular level of communication and can act as regulators of homeostasis within the body (4).

Holy Basil Dosage

Pure Nootropics’ Holy Basil Capsules contain 225 mg of Organic Holy Basil Leaf (Ocimum sanctum) and Holy Basil Leaf Extract (2% Ursolic Acid) per 1 capsule. Suggested use for adults is 1 to 2 capsules by mouth daily, or as directed by your healthcare practitioner.

Holy Basil Side Effects and Toxicity

The clinical studies with humans taking Holy Basil reported mild nausea as a side effect but have indicated that short and long-term use of Holy Basil is safe (2).

For further information, please see our References Tab above.


The references below are not meant to imply that any of our products treat, cure, or diagnose any disease or human condition. References to clinical studies and pre-clinical studies may use varying dosages and may not represent the dosages or subsequent results of products we sell; however, the references provided are pertinent to the subject supplement itself. References provided are intended for research and informational purposes only and do not represent the entire body of knowledge available on the subject(s) referenced; nor do they represent all possible outcomes associated with the subject(s) referenced including, but not limited to, adverse effects, precautions, or chemical interactions within the human body. The Content provided on this website is not intended to be a replacement for professional medical advice, treatment or diagnosis. Never ignore the advice of a medical professional or delay in attaining professional advice because of information or impressions you gather on this website. Choosing to rely on any information provided by the Content of this website is solely at your own risk. We encourage our audience to do their own research beyond the resources we have provided so your decision is as educated as possible.

• Mood and stress support*
Cohen, Marc Maurice. “Tulsi – Ocimum sanctum: A herb for all reasons.” Journal of Ayurveda and integrative medicine vol. 5,4 (2014): 251-9. doi:10.4103/0975-9476.146554
• Promotes immune system function*
Mondal, S, et al. “Double-Blinded Randomized Controlled Trial for Immunomodulatory Effects of Tulsi (Ocimum Sanctum Linn.) Leaf Extract on Healthy Volunteers.” J Ethnopharmacol, vol. 136, no. 3, 14 July 2011, pp. 452–6., doi:10.1016/j.jep.2011.05.012.
• Supports healthy blood pressure*
Bhargava, Amita, et al. “To Study the Effect of Holy Basil Leaves on Low Blood Pressure (Hypotension) Women Aged 18-30 Years .” 2013 International Conference on Food and Agricultural Sciences, vol. 55, no. 16, 2013, doi:10.7763/IPCBEE.
Jamshidi, Negar, and Marc M Cohen. “The Clinical Efficacy and Safety of Tulsi in Humans: A Systematic Review of the Literature.” Evidence-based complementary and alternative medicine : eCAM vol. 2017 (2017): 9217567. doi:10.1155/2017/9217567
• Promotes healthy triglyceride levels*
Satapathy, S, et al. “Effect of Tulsi (Ocimum Sanctum Linn.) Supplementation on Metabolic Parameters and Liver Enzymes in Young Overweight and Obese Subjects.” Indian J Clin Biochem, vol. 32, no. 3, July 2017, pp. 357–363., doi:10.1007/s12291-016-0615-4.

1. “Holy Basil.”, published Feb 6, 2015. Last updated Jun 14, 2018.
2. Jamshidi, Negar, and Marc M Cohen. “The Clinical Efficacy and Safety of Tulsi in Humans: A Systematic Review of the Literature.” Evidence-based complementary and alternative medicine : eCAM vol. 2017 (2017): 9217567. doi:10.1155/2017/9217567
3. “Holy Basil.” Food, Herbs & Supplements.,-herbs-supplements/professional.aspx?productid=1101.
4. Panossian, Alexander. “Understanding Adaptogenic Activity: Specificity of the Pharmacological Action of Adaptogens and Other Phytochemicals.” Annals of the New York Academy of Sciences, no. Phytochemicals in Food,


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Holy Basil Capsules

Holy Basil Capsules