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.
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Growth Guys bulk order discount — last verified at checkout at Growth Guys (growthguys.com): October 11, 2026 (today), 15:31 ET — HEALTHYLIFE10 applied and working, taking $4.00 CAD off a $40.00 CAD cart, exactly 10% off sitewide, with no minimum purchase and no product exclusions, including HGH kits; 2 live-cart checks so far today.
The same flat 10% applies at every cart value tested, so there is no volume tier to unlock and no reason to inflate an order chasing one.
| Cart subtotal | Discount | Paid | Rate |
|---|---|---|---|
| $280.00 CAD | −$28.00 CAD | $252.00 CAD | 10.0% |
| $40.00 CAD | −$4.00 CAD | $36.00 CAD | 10.0% |
| $125.00 CAD | −$12.50 CAD | $112.50 CAD | 10.0% |
| $90.00 CAD | −$9.00 CAD | $81.00 CAD | 10.0% |
| $50.00 CAD | −$5.00 CAD | $45.00 CAD | 10.0% |
Each row is a separate cart built on October 10, 2026. The value is varied deliberately, because a code that only worked at one price point would otherwise go unnoticed. Nothing was ordered and no payment details were entered — every figure comes from the guest-cart stage, which is the same place you can check it yourself before paying.
Use it at the cart, not at payment: HEALTHYLIFE10 in the discount field, then confirm the new total. It needs no account, works on a guest cart, and applies again on the order after this one.
Growth Guys publishes 244 third-party lab reports through Janoshik Analytical, averaging 99.03% purity across the 181 that state a figure (range 93.844% to 99.99%). Each links to the testing lab's own domain rather than a PDF hosted by the seller. It ships domestically inside Canada, priced in Canadian dollars, and has answered publicly in its own vendor threads since November 2021. Full breakdown of every report, including the ones that came in lower.
Most peptides are sold in two packagings: a single vial and a 10-pack. Counted across the catalogue on October 6, 2026, the 10-pack prices at exactly 20% below ten single vials on almost every product that offers both. Tirzepatide 10mg is $60.00 single and $480.00 for ten, against $600.00 at single-vial pricing. BPC-157 5mg is $40.00 and $320.00. Retatrutide 10mg is $90.00 and $720.00. Cagrilintide 10mg is $100.00 and $800.00.
Twelve of the thirteen products we checked that offer both packagings landed on exactly 20%. That consistency is itself informative: this is a pricing rule applied across the range, not a rotating promotion on selected items, which means it does not need to be timed.
Melanotan-2 10mg is the exception. It is $55.00 as a single vial and $450.00 for a 10-pack, against $550.00 for ten singles — a saving of 18.2% rather than 20%. The difference is small in absolute terms, about $10.00 on the order, but it is the only item we measured that does not follow the rule.
It is worth naming for a practical reason rather than a pedantic one. If you assume 20% and build a multi-product bulk order around that assumption, your arithmetic will be slightly wrong on that line. Check the pair of prices on the product page rather than applying a remembered percentage, because the rule holds almost everywhere and that is exactly the condition under which people stop checking.
HEALTHYLIFE10 takes 10% off sitewide with no minimum purchase and no product exclusions, which includes 10-pack line items. The two reductions are not alternatives and you do not have to choose between them.
The two are not the same kind of thing, though. The 10-pack price is already the discounted price on the product page, and the code then takes its 10% off the cart subtotal containing it. Ten vials of Retatrutide 10mg at single pricing would be $900.00; the 10-pack is $720.00; with the code the cart comes to $648.00, a saving of $252.00 against buying singly.
A 10-pack is a commitment to ten vials of one compound, and all sales are final — there are no returns. That matters more than the percentage if you are evaluating a compound for the first time, or if storage conditions after reconstitution would be a constraint for you.
There is also a threshold interaction worth a moment: shipping is free on orders of at least $350.00, and a single 10-pack clears that on most products. If you were planning several single vials to reach the threshold anyway, comparing a 10-pack against that basket, after the code, is the comparison that reflects what you will actually pay.
Percentages invite mistakes when two of them apply in sequence. Cost per vial after everything has been applied is harder to get wrong, and it is the number that lets you compare a 10-pack against singles honestly. Take the pack price, apply the code, divide by ten.
Retatrutide 10mg works as the example. Singles are $90.00 each, or $81.00 with the code — so ten of them, bought individually, is $810.00. The 10-pack is $720.00, or $648.00 with the code, which is $64.80 per vial. The pack saves $162.00 against the same ten vials bought singly, both figures already carrying the code. Running it this way also makes the Melanotan-2 exception visible without having to remember it: its pack works out to $45.00 per vial before the code against $55.00 single, a smaller gap than the rest of the range produces.
Yes. It was cart-tested on October 11, 2026 and took $4.00 CAD off a $40.00 CAD cart at growthguys.com — exactly 10%. This page is rebuilt from that test, so the date above is when it was last confirmed, not when it was written.
Yes, through 10-pack packaging rather than a volume code. Measured across the catalogue on October 6, 2026, the 10-pack prices at exactly 20% below ten single vials on twelve of the thirteen products offering both.
Yes. HEALTHYLIFE10 applies 10% off sitewide with no product exclusions, including 10-pack line items. The two reduce sequentially: ten Retatrutide 10mg vials would be $900.00 individually, $720.00 as a 10-pack, and $648.00 with the code.
Almost. Twelve of thirteen checked products landed on exactly 20%. Melanotan-2 10mg is the exception at 18.2% — $55.00 single against $450.00 for ten. Check the two prices on the product page rather than assuming.