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Serving size - 2 capsules.
1 bottle contains 60 capsules (30 daily servings).

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Gold standard KSM-66® Ashwagandha and 4 other Ayurveda herbs and natural nootropics to create a rejuvenating tonic for both mind and body; reducing stress, and anxiety, enhancing mental well-being, and increasing focus.

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Master Your Stress, Enhance Your Life.

For less than half the price of a coffee, Calm can help provide your body with optimal stress recovery, daily focus and concentration. With additional savings for monthly subscribers!

  • Vegan

  • No Fillers

  • Natural

  • Non GMO

  • No Allergens

  • Made in UK

Our Complexes Contain No Fillers, Binders, Bulking Agents or Preservatives - Exactly As Nature Intended

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Organic KSM-66® Ashwagandha

Backed by 22 gold standard human clinical trials, KSM-66® is the extensively studied version of Ashwagandha, proven to alleviate stress and anxiety. Ashwagandha, a potent Adaptogen brings balance to the body, combating modern stress and promoting physical and mental well-being.

Rhodiola Rosea Extract

Rhodiola Rosea, the popular Ayurvedic Adaptogenic herb that was used by the Vikings to enhance physical and mental performance. Boosts mood by influencing norepinephrine levels and feel-good hormones like beta-endorphins.

Holy Basil Extract

Holy Basil, otherwise known as ‘Tulsi’ is another Ayurvedic herb that works as an Adaptogen through nurturing and nourishing the body, mind and spirit while fostering a sense of relaxation and wellbeing.

In the Ayurveda system, Holy Basil is referred to as an ‘Elixir of Life’ for its healing powers and cognition-enhancing properties. Holy Basil has been said to be like yoga, with its calming effect that can lead to clarity of thought, along with a more relaxed and calm disposition.


A natural amino acid found in Green Tea leaves and mushrooms. It is responsible for the cognitive-enhancing and relaxing qualities of Green Tea. Boosts Alpha and Theta brain waves, enhancing creativity and focus.

Organic Black Pepper

Organic Black pepper, known in Ayurveda Medicine as a 'bio-enhancer', is added to enhance the absorption and bioavailability of Ashwagandha.

How Does Our Unique Complex Help You Find Calm & Gain Clarity?

Earths Secret Calm Stress and Anxiety Image

Soothes Stress & Anxiety

KSM-66® Ashwagandha, working alongside Holy Basil and Rhodiola Rosea, renowned adaptogens, helps the body adapt to stress by reducing cortisol levels. Experience the calming effects of this synergistic blend and find your path to serenity.

Sharpens Focus & Concentration

Our powerful formula boosts cognitive functions like memory, mental speed, and focus. Experience enhanced physical and mental performance as it increases Alpha and Theta brain waves, promoting alert relaxation. Conquer your to-do list with clarity and efficiency.

Balances Mood

Our Calm Complex features adaptogens that support the release of healthy brain chemicals, bringing stability to your mood. Experience a re-centered state that empowers you to calmly handle daily stresses.

"I felt the difference within 4 to 5 days. Increased energy and focus amazed me. Undoubtedly the best natural supplement I've ever taken. Excited to try Boost next!"

Discover the Science behind our Complexes

Organic KSM-66® Ashwagandha

  1. Anxiolytic-antidepressant activity of Withania somnifera glycowithanolides: an experimental study. Phytomedicine : international journal of phytotherapy and phytopharmacology, 7(6) Bhattacharya, S. K., Bhattacharya, A., Sairam, K., & Ghosal, S. (2000).
  2. Adaptogenic and Anxiolytic Effects of Ashwagandha Root Extract in Healthy Adults: A Double-blind, Randomized, Placebo-controlled Clinical Study. Salve, J., Pate, S., Debnath, K., & Langade, D. (2019).
  3. Cholinesterase inhibiting withanolides from Withania somnifera. Chemical & pharmaceutical bulletin, Choudhary, M. I., Yousuf, S., Nawaz, S. A., Ahmed, S., & Atta-ur-Rahman (2004).
  4. Effect of standardized aqueous extract of Withania somnifera on tests of cognitive and psychomotor performance in healthy human participants. Pharmacognosy research, 6(1), 12–18. Pingali, U., Pilli, R., & Fatima, N. (2014).
  5. A prospective, randomized double-blind, placebo-controlled study of safety and efficacy of a high-concentration full-spectrum extract of ashwagandha root in reducing stress and anxiety in adults. Indian journal of psychological medicine, 34(3), 255–262. Chandrasekhar, K., Kapoor, J., & Anishetty, S. (2012)
  6. Efficacy of Ashwagandha (Withania somnifera [L.] Dunal) in improving cardiorespiratory endurance in healthy athletic adults . Ayu, 36(1), 63. Choudhary, B., Shetty, A., & Langade, D. G. (2015)
  7. Examining the effect of Withania somnifera supplementation on muscle strength and recovery: a randomised controlled trial Wankhede. Journal of the International Society of Sports Nutrition, 12(1), 43. S., Langade, D., Joshi, K., Sinha, S. R., & Bhattacharyya, S. (2015)
  8. Efficacy and Safety of Ashwagandha (Withania somnifera) Root Extract in Improving Sexual Function in Women: A Pilot Study Dongre,BioMed research international, 2015. S., Langade, D., & Bhattacharyya, S. (2015).
  9. Body Weight Management in Adults Under Chronic Stress Through Treatment With Ashwagandha Root Extract: A Double-Blind, Randomised, Placebo-Controlled Trial). Journal of evidence-based complementary & alternative medicine, 22(1), 96-106. Choudhary, D., Bhattacharyya, S., & Joshi, K. (2017)
  10. Efficacy and Safety of Ashwagandha (Withania somnifera (L.) Dunal) Root Extract in Improving Memory and Cognitive Functions). Journal of Dietary Supplements, 1-14. Chicago Choudhary, D., Bhattacharyya, S., & Bose, S. (2017)
  11. Withania somnifera root extract extends lifespan of Caenorhabditis elegans . Annals of neurosciences, 20(1), 13. Kumar, R., Gupta, K., Saharia, K., Pradhan, D., & Subramaniam, J. R. (2013)
  12. Withania somnifera Root Extract Enhances Telomerase Activity in the Human HeLa Cell Advances in Bioscience and Biotechnology, 7(04), 199. Line Raguraman, V., & Subramaniam, J. R. (2016).
  13. Efficacy and Safety of Ashwagandha Root Extract in Subclinical Hypothyroid Patients: A Double-Blind, Randomised Placebo-Controlled Trial.. The Journal of Alternative and Complementary Medicine. Sharma, A. K., Basu, I., & Singh, S. (2017)
  14. Evidence-based efficacy of adaptogens in fatigue, and molecular mechanisms related to their stress-protective activity. Panossian A, Wikman G. Curr Clin Pharmacol. 2009;4:198–219.
  15. A Randomized, Double-Blind, Placebo-Controlled, Crossover Study Examining the Hormonal and Vitality Effects of Ashwagandha ( Withania somnifera) in Aging, Overweight Males. American journal of men's health, 13(2) Lopresti, A. L., Drummond, P. D., & Smith, S. J. (2019).
  16. An alternative treatment for anxiety: a systematic review of human trial results reported for the Ayurvedic herb ashwagandha (Withania somnifera). Journal of alternative and complementary medicine (New York, N.Y.), 20(12), 901–908. Pratte, M. A., Nanavati, K. B., Young, V., & Morley, C. P. (2014).

Rhodiola Rosea

  1. Rhodiola rosea L.: an herb with anti-stress, anti-aging, and immunostimulating properties for cancer chemoprevention. Current pharmacology reports, 3(6), 384–395. Li, Y., Pham, V., Bui, M., Song, L., Wu, C., Walia, A., Uchio, E., Smith-Liu, F., & Zi, X. (2017). 
  2. Rhodiola rosea L. Improves Learning and Memory Function: Preclinical Evidence and Possible Mechanisms. Front Pharmacol. 2018;9:1415. Ma GP, Zheng Q, Xu MB, et al.
  3. ‘Rhodiola rosea L. as a putative botanical antidepressant’ Phytomedicine. 2016 Jun 15;23(7):770–83. Amsterdam JD, Panossian AG.
  4. The Effects of Rhodiola rosea L. Extract on Anxiety, Stress, Cognition and Other Mood Symptoms’ Phytother Res. 2015 Dec;29(12):1934–9.Cropley M, Banks AP, Boyle J
  5. ‘Reflection Paper on the Adaptogenic Concept’ Committee on Herbal Medical Products (PDF) 8 May 2008. European Medicines Agency (2008) 
  6. The effectiveness and efficacy of Rhodiola rosea L.: a systematic review of randomized clinical trials.’ Phytomedicine. 2011 Feb 15;18(4):235–44. doi: 10.1016/j. phymed.2010.08.014. Epub 2010 Oct 30 Hungk SK, Perry R, Ernst E (2011) 
  7. Rhodiola rosea for physical and mental fatigue: a systematic review.’ BMC Complement Altern Med. 2012 May 29;12:70. Ishaque S, Shamseer L, Bukutu C, Vohra S (2012) 
  8. Rhodiola rosea versus sertraline for major depressive disorder: A randomized placebo-controlled trial’ Phytomedicine. 2015 Mar Mao JJ, Xie SX, Zee J, Soeller I, Li QS, Rockwell K, Amsterdam JD 
  9. A Randomised, Double-Blind, Placebo-Controlled, Parallel-Group Study of the Standardised Extract SHR-5 of the Roots of Rhodiola rosea in the Treatment of Subjects with Stress-Related Fatigue’. Planta Med. 2009 Feb;75(2):105–12. Olsson EM, Von Sheele B, Panossian AG (2009) 
  10. Randomized trial of two different doses of a SHR-5 Rhodiola rosea extract versus placebo and control of capacity for mental work. Phytomedicine : international journal of phytotherapy and phytopharmacology. 10. 95-105. Shevtsov, V.A. & Zholus, B.I. & Shervarly, V.I. & Vol'skij, V.B. & Korovin, Y.P. & Khristich, M.P. & Roslyakova, N.A. & Georg, Wikman. (2003).
  11. Rhodiola rosea in stress induced fatigue--a double blind cross-over study of a standardized extract SHR-5 with a repeated low-dose regimen on the mental performance of healthy physicians during night duty. Phytomedicine : international journal of phytotherapy and phytopharmacology, 7(5), 365–371. Darbinyan, V., Kteyan, A., Panossian, A., Gabrielian, E., Wikman, G., & Wagner, H. (2000).

Holy Basil

  1. 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) Jamshidi, Negar, and Marc M Cohen.  
  2. Tulsi - Ocimum sanctum: A herb for all reasons. Journal of Ayurveda and integrative medicine, 5(4), 251–259. Cohen M. M. (2014).
  3. Tulsi: The Mother Medicine of Nature. 2nd ed. Lucknow: International Institute of Herbal Medicine; 2010. pp. 28–47 Singh N, Hoette Y, Miller R.
  4.  Efficacy of an Extract of Ocimum tenuiflorum (OciBest) in the Management of General Stress: A Double-Blind, Placebo-Controlled Study. Evidence-based complementary and alternative medicine : eCAM, 2012, 894509. Saxena, R. C., Singh, R., Kumar, P., Negi, M. P., Saxena, V. S., Geetharani, P., Allan, J. J., & Venkateshwarlu, K. (2012)
  5. Controlled programmed trial of Ocimum sanctum leaf on generalized anxiety disorders. Nepal Medical College journal Bhattacharyya, D., Sur, T. K., Jana, U., & Debnath, P. K. (2008).
  6. Therapeutic uses of Ocimum sanctum Linn (Tulsi) with a note on eugenol and its pharmacological actions: a short review. Indian journal of physiology and pharmacology, 49(2), 125–131. Prakash, P., & Gupta, N. (2005).
  7. Ocimum sanctum L (Holy Basil or Tulsi) and its phytochemicals in the prevention and treatment of cancer. Nutrition and cancer, 65 Suppl 1, 26–35. Baliga, M. S., Jimmy, R., Thilakchand, K. R., Sunitha, V., Bhat, N. R., Saldanha, E., Rao, S., Rao, P., Arora, R., & Palatty, P. L. (2013). 
  8. Chemical composition and antioxidant property of holy basil (Ocimum sanctum L.) leaves, stems, and inflorescence and their in vitro callus cultures. Journal of agricultural and food chemistry, 55(22), 9109–9117. Hakkim, F. L., Shankar, C. G., & Girija, S. (2007).


  1. Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial. Nutrients, 11(10), 2362. Hidese, S., Ogawa, S., Ota, M., Ishida, I., Yasukawa, Z., Ozeki, M., & Kunugi, H. (2019). 
  2. Theanine, r-glutamylethylamide, increases neurotransmission concentrations and neurotrophin mRNA levels in the brain during lactation. Life sciences, 81(16), 1247–1255. Yamada, T., Terashima, T., Wada, K., Ueda, S., Ito, M., Okubo, T., Juneja, L. R., & Yokogoshi, H. (2007). 
  3. Effects of Theanine on the Release of Brain Alpha Wave in Adult Males. Korean Journal of Nutrition, 36(9), 918–923. Song, C. H., Jung, J. H., Oh, J. S., & Kim, K. S. (2003).
  4. . A double-blind, placebo-controlled study evaluating the effects of caffeine and L-theanine both alone and in combination on cerebral blood flow, cognition and mood. Psychopharmacology, 232(14), 2563–2576. Dodd, F. L., Kennedy, D. O., Riby, L. M., & Haskell-Ramsay, C. F. (2015)
  5. Acute effects of tea constituents L-theanine, caffeine, and epigallocatechin gallate on cognitive function and mood: A systematic review and meta-analysis. Nutrition reviews. Camfield, David & Stough, Con & Farrimond, Jonathon & Scholey, Andrew. (2014). 
  6. L-Theanine reduces psychological and physiological stress responses. Biological psychology, 74(1), 39–45. Kimura, K., Ozeki, M., Juneja, L. R., & Ohira, H. (2007).
  7. Neurobiological effects of the green tea constituent theanine and its potential role in the treatment of psychiatric and neurodegenerative disorders. Nutritional neuroscience, 17(4), 145–155. Lardner A. L. (2014).

Black Pepper

  1. Bioavailability enhancers of herbal origin: an overview. Asian Pacific journal of tropical biomedicine, 3(4), 253–266.Kesarwani, K., Gupta, R., & Mukerjee, A. (2013).
  2. Iron and Physical Activity: Bioavailability Enhancers, Properties of Black Pepper (Bioperine®) and Potential Applications. Nutrients12(6), 1886. Fernández-Lázaro, D., Mielgo-Ayuso, J., Córdova Martínez, A., & Seco-Calvo, J. (2020)
  3. Piperine-A Major Principle of Black Pepper: A Review of Its Bioactivity and Studies Zorica Stojanovi´c-Radi´c 1,*, Milica Pejˇci´c 1 , Marina Dimitrijevi´c 1 , Ana Aleksi´c 1 , Nanjangud V. Anil Kumar 2 , Bahare Salehi 3,* , William C. Cho 4,* and Javad Sharifi-Rad 5, Published: 2019
  4. Piperine: A comprehensive review of methods of isolation, purification, and biological properties, Medicine in Drug Discovery, Volume 7,2020. Anshuly Tiwari, Kakasaheb R. Mahadik, Satish Y. Gabhe.


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