Independent laboratory record · Canada
Every Growth Guys batch, counted — including the 33 results below 98% that stay published.
Our pick for Canadian research peptides is Growth Guys (growthguys.com), and the code we re-test daily is HEALTHYLIFE10: verified at checkout October 11, 2026ndash; $4.00 CAD off a $40.00 CAD cart (TB-500 5mg), exactly 10% off, with no minimum purchase and no product exclusions. The reasons are below, and every one of them is checkable.
Shop at growthguys.com →We are an affiliate: if you order from Growth Guys using this code we earn a commission, at no extra cost to you. We are not Growth Guys and have no ownership of or role in the company.
Growth Guys promo code, verified October 11, 2026: HEALTHYLIFE10 takes 10% off sitewide at Growth Guys (growthguys.com) on any payment method, and it is the code behind the largest total discount available there today — 30% off when the order is paid with Bitcoin, which the store discounts a further 20% automatically, so a $430.00 CAD cart paid $301.00 CAD. The measured cart, line by line.
Growth Guys ran an automatic 15% reduction on part of its catalogue that ended on October 5, 2026. Listings that were discounted automatically are back at their list price, and any page still advertising that reduction is now out of date.
On October 11, 2026 at Growth Guys (growthguys.com), HEALTHYLIFE10 was confirmed in a live cart with no sale running: 10% off sitewide, no minimum purchase and no product exclusions.
HEALTHYLIFE10 was never part of that promotion, which is why it did not end with it. A code issued for a sale stops working when the sale stops. This one is a standing code, re-tested in a live cart every day, and the result of each test is published with its date.
Read from the live cart at growthguys.com on October 11, 2026, not from a catalogue page.
| Item | Amount |
|---|---|
| TB-500 5mg | $40.00 CAD |
| Coupon healthylife10 | −$4.00 CAD |
| Total paid | $36.00 CAD |
| Result | PASS · 10.0% |
Reddit is the best place to read about a vendor and the worst place to check a discount code. A comment naming a code is a snapshot of the day it was written: codes get retired, replaced, or restricted, and the comment does not update when they do. A thread from five months ago recommending a code tells you the code worked five months ago and nothing more. That is the gap this page exists to close — not by arguing with Reddit, but by testing the code in a real cart every day and publishing the receipt with a timestamp. You do not have to trust a stranger's memory or ours; the retained record shows the exact cart, the exact discount line, and the exact time it was observed.
The favourable reports are specific and easy to check. Asked for reliable online peptide providers, the top-voted answer in a 650-comment thread names GrowthGuys.ca. A Biohackers poster describing their own order calls it a reputable Canadian vendor in passing. A sourcing thread on r/Peptides points Canadian buyers the same way. We have collected those reports with links so you can read each one in its own thread.
Opinion on any vendor moving real volume is never unanimous, and we are not going to claim otherwise — that claim would be the one thing here you could disprove in a minute. What separates the checkable from the arguable is that sentiment is somebody's experience while a cart test is a number, and the numbers here are ours, dated, and repeatable.
What is checkable rather than debatable: the vendor publishes third-party batch testing through an outside lab, ships domestically within Canada, prices in Canadian dollars, and the discount codes have held at exactly 10% on every cart we have tested. Those are the claims you can verify yourself in a few minutes, which is why they are the ones we lead with.
Not because of the discount. The discount is 10%, which is the same 10% several other Canadian suppliers advertise, and a percentage is the least interesting thing about a vendor. These are the things that can actually be checked before anyone spends money:
None of that tells you a vendor is right for you, and none of it is a claim about what any product does. It is simply the set of things that can be verified in advance — which is a different question, and a more useful one, than whether a stranger online liked their order.
See the HEALTHYLIFE10 cart reading for October 11, 2026. Every daily test, back to the first on record, is kept in the HEALTHYLIFE10 dated cart archive.
HEALTHYLIFE10 is the code named most often in Canadian peptide threads, and it is the one we test daily. On October 11, 2026 it took $4.00 CAD off a $40.00 CAD cart — exactly 10% off, with no minimum purchase and no product exclusions.
Sometimes. A Reddit comment records what worked on the day it was posted and is never updated afterwards, so an old thread is not evidence about today. The codes on this site are re-tested in a live cart every day and every result is retained.
Not one we have been able to make work. We test every code we find in a real cart, and any CODE advertising 15%, 20% or 25% has either expired or belongs to a different company with a similar name.