: Look for labels that specify the percentage of withanolides, the active compounds responsible for the herb's benefits. A high-quality extract should typically be standardized to at least 5% withanolides .

: Many reputable brands use patented extracts like KSM-66® (standardized to 5% withanolides) or Sensoril® (often 10% withanolides), which have been used in human clinical trials.

: Choose brands that use independent labs to verify purity and potency. Look for seals from organizations like the U.S. Pharmacopeia (USP) or NSF International to ensure the product is free from heavy metals and contaminants. Common Benefits and Dosages Ashwagandha Capsules For Winter Wellness | GNC

Not all ashwagandha supplements are created equal. When shopping, prioritize products that meet these criteria:

A Guide to Buying Ashwagandha Capsules: What You Need to Know

: Traditional use and modern clinical trials primarily focus on the plant's root, which contains a more consistent concentration of active compounds than the leaves.