How Scores Work
Every vendor on Is My Lab Legit? receives two scores: a Trust Score and a Price Score, each on a 0–100 scale. Scores are pre-computed from structured data and stored statically. They do not change per-visit and are never influenced by vendor payments or sponsorships.
Trust Score
A weighted composite of four independently assessed sub-factors. Higher is better.
Lab Testing
Whether the vendor provides third-party Certificates of Analysis (COAs) for their products, the accreditation of the labs used (e.g. Janoshik Analytical), and how consistently new batches are tested. This factor carries the highest weight because it is the most objective and independently verifiable signal of product purity.
Review Sentiment
Aggregated sentiment from publicly available user reviews, forum threads (r/sarmssourcetalk, r/sarms, Evolutionary.org), and community discussions. Positive reports of correct dosing, expected effects, and good customer service raise this score. Complaints about misdosing, counterfeits, or poor fulfilment lower it.
Vendor Longevity
How long the vendor has been continuously operating. A vendor that has run clean for 5+ years has had more opportunity to demonstrate consistent quality than a vendor launched last year. Longevity alone does not guarantee quality; it is weighted at 20% to reflect track record without over-rewarding old but mediocre vendors.
Community Reputation
Broader community standing beyond direct reviews, including moderator endorsements, presence in pinned vendor lists, Discord/Telegram community quality, and absence of documented scams or significant controversies. This factor carries the lowest weight because community opinion can be manipulated through brigading or paid promotion.
Formula
TrustScore =
(labTesting × 0.35)
+ (reviewSentiment × 0.30)
+ (vendorLongevity × 0.20)
+ (communityReputation × 0.15)
Price Score
A measure of value-for-money relative to market average. Higher means cheaper relative to peers.
For each vendor we record the price of specific products alongside the current market average price for that same product (e.g. RAD-140 10mg/mL 30mL liquid). The price score is derived from the ratio of market average to vendor price across all tracked products.
Formula (per product, then averaged)
ratio = marketAvgPrice / vendorPrice
PriceScore = clamp((avg(ratio) − 0.5) × 100, 0, 100)
ratio = 1.0 (at market average) → score ≈ 50
ratio = 1.5 (33% below market) → score ≈ 100
ratio = 0.5 (2× market price) → score = 0
A score of 50 means the vendor prices at market average. Above 50 means below-average pricing (better value). Below 50 means above-average pricing. Price score does not reflect quality; a vendor with a high price score but low trust score is cheap and unverified.
Letter Grades
Applied to the Trust Score for quick visual reference.
Data Sources
- ·r/sarmssourcetalk and r/sarms community discussions and vendor review threads
- ·Evolutionary.org and Musclechemistry forum vendor feedback sections
- ·Publicly available third-party COAs (Janoshik Analytical and other accredited labs)
- ·Vendor websites for pricing, establishment date, and catalog information
- ·FDA warning letters and regulatory notices where applicable
- ·Independent third-party testing published by community members
Score Updates
Scores are manually reviewed and updated on a rolling basis. Each vendor entry shows a Last Updated date reflecting when the data was last verified. Scores are not updated automatically. If a vendor's situation changes significantly (new COAs published, community scandal, closure), the score will be revised at the next review cycle.
Because scores are pre-computed and stored, they are identical for every visitor. There is no personalization, A/B testing, or vendor-influenced ranking.
Disclaimer
Is My Lab Legit? scores are compiled from publicly available information and community opinion. They represent our best assessment at the time of the last update but are not a guarantee of product quality, legality, or safety. Research chemicals are sold for laboratory use only. Always verify vendor credentials independently before purchasing.