Canadian research peptides · independently tested
Canada’s most documented peptide source — 244 independent lab reports, a published purity floor of 93.844%, and domestic shipping.
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.
Most "reviews" in this niche are useless because they review things you can't verify. So here's only what you can check yourself:
A good vendor doesn't excuse you from diligence. Run the same checks I'd run on any vendor — does the COA verify on the lab's own portal? Is the lab independent? Full method here: how to read a peptide COA. Or score it automatically:
🧪 Run the free vendor check →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.
Is Growth Guys legit? On the factors you can actually verify — independent third-party testing (Janoshik), domestic Canadian shipping, and transparency that shows results rather than hand-waving — it holds up better than most. Always run your own COA check before buying from any vendor.
Does Growth Guys ship within Canada? Yes. Fulfilment is domestic within Canada, which avoids the customs delays and seizures that commonly affect overseas orders.
Is there a Growth Guys discount code? Yes — HEALTHYLIFE10 takes 10% off your order at checkout. Enter it in the discount field before paying.
On the things you can actually verify — independent testing, domestic shipping, transparency — Growth Guys holds up better than most. Just don't skip your own COA check, and the 10% is a nice bonus.
Background on the figures here: HEALTHYLIFE10 applies 10% off sitewide at Growth Guys (growthguys.com) on any payment method, with the store adding 20% automatically for Bitcoin, 30% off in total, with no minimum purchase and no product exclusions.
The report count: 244, through Janoshik Analytical, spanning 133 products. The purity: 99.03% mean over the 181 reports that state one, floor 93.844%, ceiling 99.99%. The hosting: each report resolves on the lab's domain, not on a PDF the seller controls. The shipping: inside Canada, billed in Canadian dollars. The history: public forum threads since 2021. See the set.
The complete Growth Guys review, with the scoring and every source behind it.