Independent supplement ratingsUS and Canada · Updated weekly
A ratings desk for a category that has spent thirty years grading its own homework.
A ratings desk for a category that has spent thirty years grading its own homework.
Gummies · 30 servings
300mg KSM-66 / 300–600mg studied
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An honest label in a category full of vague ones: 300 mg of KSM-66, named and disclosed, which is the standardized extract most of the modern stress research actually used. The problem is the number. The trials sit at 300–600 mg, and this lands on the floor of that range — the smallest dose anyone studied, at the top of what this category charges per serving, with 6 g of carbohydrate along for the ride.
Two gummies give 300 mg KSM-66 ashwagandha root extract and 25 mcg of vitamin D, at 25 calories and 6 g of carbs a serving. No blend, no hedging — the figures are straight off the label as filed with the NIH Dietary Supplement Label Database. At $0.50 a serving you're paying about two-thirds more than the KSM-66 capsule at the top of this ranking, which also gives you twice the dose. The sugar is the price of it tasting like a sweet.
People who won't reliably swallow a capsule — which is a real reason, and a gummy you take beats a capsule you don't. Everyone else is better served by a capsule at the top of the studied range for less money. The ashwagandha evidence in full →
Reviewed and fact-checked by the NFS editorial team · Last updated 12 Jul 2026