When it comes to ashwagandha supplements, there are plenty of options on the market, from gummies and capsules to powders. But for our money, the best on the market is KOS Organic Ashwagandha Powder. It contains no additives, just pure organic ashwagandha in a high dosage. Plus, it’s flavorless, mixes well into hot drinks and smoothies, and at about $0.40 per serving, the price is more than fair.