EVIDENCE-BASED SUPPLEMENT SCORING
6.7/10
AVERAGE

Confidence: 70%

NOW Supplements, Ashwagandha (Withania somnifera) 450 mg (Standardized Extract), 90 Veg Capsules

NOW Supplements, Ashwagandha (Withania somnifera) 450 mg (Standardized Extract), 90 Veg Capsules

B0013OQIJY

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Decision summary

CONSIDERAVERAGE

A middling option. It may be usable, but weaker ingredient form quality makes better alternatives worth comparing.

Best for

Buyers comparing price and availability and okay with a middle-of-the-pack option.

Consider another option if

You care a lot about label clarity and want fewer unknowns.

Score breakdown

Tap a module to see what it measures. A 0 can reflect missing disclosure, not just a negative result.

Dosage quality

7.0/10

Generally solid dosing

Checks whether labeled ingredient amounts fall within clinically studied ranges (not just regulatory minimums). Low/0 can reflect under-dosing or missing amounts (e.g., proprietary blends).

Score summary

The supporting evidence profile is relatively strong. The main limitation is that ashwagandha: chemical form not specified on label.

Strengths

The supporting evidence profile is relatively strong
The formula stays relatively clean on excipients
The formulation has a clearer overall purpose

Weaknesses

Ashwagandha: chemical form not specified on label

Final verdict

A middling option. It may be usable, but weaker ingredient form quality makes better alternatives worth comparing.

Ingredient Analysis & Evidence

A closer look at the main ingredients, how they influence the score, and the supporting evidence when available. Tap any ingredient to expand.

ℹ Evidence is strong, but dose is below the optimal range

One of the weaker points: Dose is directionally useful, but not a standout strength. The label does not specify the form, so absorption quality cannot be verified.

Scientific evidence

RCT

Wankhede et al. RCT ashwagandha and testosterone levels

American Journal of Men's Health • 2015

PMID: 31991540.0

RCT

Chandrasekhar et al. RCT ashwagandha and cortisol in stressed adults

Indian Journal of Psychological Medicine • 2012

PMID: 23439798.0

NOW Supplements, Ashwagandha (Withania somnifera) 450 mg (Standardized Extract), 90 Veg Capsules

NOW Supplements, Ashwagandha (Withania somnifera) 450 mg (Standardized Extract), 90 Veg Capsules

Warnings & notes

Important label or formulation details that may affect how this product should be interpreted.

i

Ashwagandha form is not clearly declared

Exact ingredient form is not disclosed on the label.

Info

Methodology

Read our methodology overview to understand how SuppScoreLab combines multiple scientific dimensions into one practical score.

View methodology →

This evaluation is based on the product label and declared Supplement Facts available at review time. It does not verify laboratory-tested composition, purity, or batch-level quality. This content is educational and not medical advice. Consult a qualified healthcare professional for personal health decisions. Affiliate disclosure: SuppScoreLab may earn a commission from qualifying Amazon links.

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