Root extract (unstandardized or low-ratio)
Root extract (unstandardized or low-ratio) is a tier 2 form of Ashwagandha (Withania somnifera), used in 1,051 on-market products .
1,051
on-market products
tier 2
quality tier
n/a
elemental fraction
Typical standardization: Not guaranteed
Why this tier: Concentrated relative to raw powder but without a guaranteed withanolide %, so potency is less reproducible than standardized extracts used in RCTs.
Source: NIH ODS Ashwagandha fact sheet (studies used various preparations, making specific extracts difficult to identify); no study directly comparing unstandardized extracts located