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The Grey Lab (Peptides) Skool Review (2026): Is It Worth Joining?

  • Matija Grey
  • 49/100 data score
  • 663 members
  • $25/month
The Grey Lab (Peptides) community page on Skool

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Last updated August 10, 2026 · Reviewed by Review Member Editorial Team

The Grey Lab (Peptides) at a glance

Quick facts about The Grey Lab (Peptides): pricing, format, level, platform and guarantee
Pricing$25/month
Format5 courses + 77 modules + community feed (hosted on Skool)
Skill levelAll levels
PlatformSkool.com
Free trialNo free trial
Money-back guaranteeNo stated guarantee
Members663 members
Posts published746
Admins4
Our score49 / 100 on published Skool metrics

What is The Grey Lab (Peptides) and who is it for?

Grey market Peptides and GLP1 group (Retatrutide, Semaglutide and Tirzepatide). Lab tests & vendors. For research purposes only.

The Grey Lab (Peptides) is a $25/month community hosted on Skool and run by Matija Grey. Its public Skool page reports 663 members, 746 posts, a classroom of 5 courses and 77 modules, and the community has been running since May 2026. Matija Grey describes it this way: “The Grey Lab is an active community on a mission to make grey market peptide and GLP-1 research safer, smarter, and more transparent.”

About the creator: who is Matija Grey?

Matija Grey, creator of The Grey Lab (Peptides)

Matija Grey

Around research chemicals since 2018, as a user, publisher, and independent researcher. Now helping build a safer peptide world.

    What's included inside The Grey Lab (Peptides)?

    The list below is taken from Matija Grey's own description of the community on Skool. These are the creator's claims about what a membership includes — we have not independently verified them.

    • Access to our open forum discussion on GLP-1s & Peptides (find likeminded friends)

    • Access to TGL Testings (all our lab results, we send out more than 3k$ worth of peptide tests per month)

    • Group buying updates

    • Classroom of knowledge you need to have about the grey market

    • Our vendor checks, feedback, scam warnings, etc.

    The Grey Lab (Peptides) pros and cons

    Pros

    • Active mid-sized community (663 members)
    • Strong participation: 1.13 posts per member
    • Substantial classroom — 5 courses across 77 modules
    • 4 admins moderating, not a one-person operation

    Cons

    • Launched recently, so there is a limited track record
    • Skool does not offer a platform-wide refund policy — terms are set by the creator

    How The Grey Lab (Peptides) scores on the data

    Data score

    49/100

    Every community is scored on the same six published metrics, with the same weights. Here is exactly how this number was calculated.

    Community size25% weight
    56

    663 members

    Discussion volume20% weight
    61

    746 posts

    Engagement per member20% weight
    56

    1.13 posts per member

    Course depth20% weight
    30

    5 courses, 77 modules

    Moderation team8% weight
    67

    4 admins

    Track record8% weight
    7

    3 months on Skool

    Data score v1.0.0. Price and affiliate commission are deliberately excluded — scoring on either would build our own revenue into the ranking.

    The Grey Lab (Peptides) Skool review FAQ

    How much does The Grey Lab (Peptides) cost?

    The Grey Lab (Peptides) costs $25/month, billed through Skool. This figure was read directly from the community's Skool page on 2026-08-10, and creators can change pricing at any time.

    How many members does The Grey Lab (Peptides) have?

    The Grey Lab (Peptides) has 663 members according to its public Skool page. Member counts on Skool include everyone who has joined, not only those active in the last month.

    Who runs The Grey Lab (Peptides)?

    The Grey Lab (Peptides) is run by Matija Grey. In their own words: “Around research chemicals since 2018, as a user, publisher, and independent researcher. Now helping build a safer peptide world.”

    What's inside The Grey Lab (Peptides)?

    The Skool classroom lists 5 courses containing 77 modules, alongside the community feed. The detailed breakdown below is taken from the creator's own description of the community.

    Is The Grey Lab (Peptides) worth it?

    The Grey Lab (Peptides) scores 49 out of 100 on our data model, which weighs community size, discussion volume, engagement per member, course depth, moderation and track record. Its strongest signal is moderation team (4 admins). Weigh that against the $25/month price before joining.

    Final verdict: is The Grey Lab (Peptides) worth it in 2026?

    49/100

    data score

    The Grey Lab (Peptides) scores below average with 49 out of 100. Its strongest signals are moderation team (4 admins) and discussion volume (746 posts). The weakest is track record (3 months on Skool).

    At $25/month it sits at the low end of Skool pricing. Every figure on this page is read from the community's public Skool page and re-checked each time we refresh the directory.

    $25/month

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