02 Aug 2019 --- US-based specialty ingredients supplier NutriScience Innovations and Arjuna Natural have jointly launched what they tout as “the highest potency ashwagandha extract on the market.” Shoden is available as a powder, standardized with 35 percent Withanolide Glycosides – the highest percentage in the market so far – with a recommended dose of 120 mg. Shoden is developed and manufactured by Arjuna and is now available in North America exclusively from NutriScience.