PQQ (Pyrroloquinoline Quinone) Supplement
How we scored this product Show the full breakdown
Bevisning gates dose: the evidence grade sets the ceiling, and the dose decides how much of that ceiling the product reaches. Value = inverse of price-per-trial-dose-day. Community = mean sentiment of external reviews. Säkerhet caps applied after weighting.
This score is our editorial judgment, not a scientific standard. We combine published evidence, dose, price, transparency, and consumer signals into one composite: this is our method, not a peer-reviewed clinical rating. A higher score means a product does better on the factors we weight, not that it is medically proven to work.
Question 1
Does the molecule work?
Does the molecule work?
Question 2
Is this bottle good?
Is this bottle good?
The specific product: dose, price, transparency, and what buyers report.
Question 3
What's the catch?
What's the catch?
Säkerhet flags, transparency gaps, dosing concerns, and recurring buyer complaints.
Quick verdict
The numbers
Data verification
Per-ingredient breakdown
All product data is checked against original sources. Prices, doses, and testing status are updated when product pages change. Bevisning grades are reviewed when new human RCTs are published. Read how we verify.
What's inside
Consumer signals
Consumer signals gathered from 1 platform.
Medium confidencemixed sentiment
Compiled from a Trustpilot listing located during research; verified at build time.
These are consumer sentiment signals. They do not measure whether the product actually works. See our evidence section for that.
What others say (unverified)
No external reviews aggregated yet for this product.
Research behind this product
The studies that established the trial dose and evidence grade for each active ingredient in this product. Click through to read the original paper.
Redaktionellt notes
Standard 20mg PQQ dose, in line with most research and competitor produkter. Reasonably priced single-ingredient mitochondrial-support capsule.
Why this scored this way
This Double Wood Supplements PQQ (Pyrroloquinoline Quinone) Supplement scores 6.9, making it a mid-tier product with both strengths and weaknesses. It delivers the full 20.0mg trial dose of PQQ with grade C evidence (mostly preclinical, limited human data). Transparency is a clear strength (score: 9.0), with third-party testing and a public analysintyg. At $0.33/day it's priced well for what you get.
What drives the score up
- Dose-evidence score of 6.0 shows decent alignment with trial doses.
- Quality transparency of 9.0: tested by independent lab with a public analysintyg.
- Value score of 9.7 at $0.33/day.
What drags it down
- Limited consumer feedback (community score: 6.0).
Why you'd choose it
- You want good value at $0.33/day.
- You prioritise tested by independent lab produkter with public lab certificates.
Why you might skip it
- You want a product in a different category.
- You want a cheaper mitochondrial option.
- You prefer produkter with more consumer feedback.
Where this sits
Spot an error?
If you are the manufacturer or brand owner of PQQ (Pyrroloquinoline Quinone) Supplement and believe any data on this page is incorrect (wrong dose, wrong ingredient, wrong price, missing certification, outdated status), you can request a correction.
We review every request, verify it against primär sources, and publish any change with a dated note in the version history above. Corrections from brand owners are treated the same as corrections from anyone else: verified before they move.
Request a correction →Similar produkter
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