Most stores run a welcome code that works once, then dies — which is why people search "first order code" expecting a one-time deal. Growth Guys is the opposite: the tested codes aren't gated to new customers at all. Here's what most first-time buyers get wrong — they hunt for a special new-buyer code when the public code already gives them the full 10% on order one.
| Discount | How you get it | Works after the first order? |
|---|---|---|
| 10% code (HEALTHYLIFE10 / CANADA / PEPTIDES) | Type it at checkout — no signup | ✅ Yes, every reorder |
| Newsletter welcome discount | Sign up on the store with your email | ❌ One-time, new subscribers |
Checkout accepts one code per order, so you pick whichever is larger for order one, then use a 10% code on every order after. For most carts the flat 10% is the better standing deal.
The codes shared in Canadian peptide subreddits for a first Growth Guys order are the same public ones on this page — there's no secret Reddit-only new-buyer code. Anyone posting a higher-rate "first order exclusive" is describing a code that won't survive checkout. More on that pattern: the Reddit code guide. Recent independent cart tests on a first order landed the same result — HEALTHYLIFE10 applying a flat 10% off both times:
First-order checkout test — view on Instagram →
https://torontohealthsource.tumblr.com/post/825521916781756416
Full tested-codes list with dates: every code that actually works.
Does HEALTHYLIFE10 work on a first order? Yes — flat 10% on the first order and every reorder, no signup, cart-verified August 2026.
Is there a bigger new-customer code? The newsletter welcome discount is one-time; no verified code beats the standing 10%. Aggregator "first order exclusive" codes above 10% are generated, not issued.
Can I use a first-order code and the newsletter discount together? No — one code per order. Use the larger for order one, a 10% code after.
Does the first-order code work in Canada? Yes; Growth Guys is the Canadian operation and the codes apply at checkout regardless of location.
For research and educational purposes only. Not medical advice.