Growth Guys retatrutide 20mg: price and every size compared
Checked October 29, 2026 against the Growth Guys shop listings.
On Oct 29, 2026 the 20mg vial was listed at $150 CAD, which is $7.50 per mg.
- The sizes run 10, 20, 30 and 60mg, and the bigger the vial the lower the price per mg.
- With DEAL10 and Bitcoin the 20mg comes to about $108.
All four sizes
| Size | Single vial | Per mg | 10-pack | Purity on listing |
|---|---|---|---|---|
| 10mg | $90 | $9.00 | $720 | 99.82% |
| 20mg | $150 | $7.50 | $1,200 | 99.53% |
| 30mg | $200 | $6.67 | $1,600 | 99.81% |
| 60mg | $300 | $5.00 | $2,400 | 99.55% |
Prices in CAD from the Growth Guys shop listing, Oct 29, 2026. Purity is the figure shown on each product's listing, per product, from its batch report. Do not read it as one pass mark or an average.
With DEAL10 and Bitcoin
| Size | With DEAL10 (10%) | Plus Bitcoin (28% total) |
|---|---|---|
| 10mg | $81.00 | $64.80 |
| 20mg | $135.00 | $108.00 |
| 30mg | $180.00 | $144.00 |
| 60mg | $270.00 | $216.00 |
The discounts multiply, 0.90 x 0.80 = 0.72, see the stacking math. A 10-pack adds a further 20% off ten singles, see the 10-pack guide.
Before you choose a size
- Match the batch number on the report to your vial, see how to find your batch.
- Read the legal picture first: retatrutide in Canada.
- More on pricing: retatrutide price guide and price per mg.
Ready to order?
Enter the code at checkout. If you copied it, just paste it in the Promo code box in the order summary, then press Apply. It does not apply by itself. Confirm the discount line before you pay.
Common questions
How much is Growth Guys retatrutide 20mg?
$150 CAD for a single vial when I checked on Oct 29, 2026, or $7.50 per mg.
Which retatrutide size is cheapest per mg?
The 60mg vial at $300, or $5.00 per mg. The 10mg is $9.00 per mg.
What is the 20mg price with the code and Bitcoin?
About $108.00, because 0.90 x 0.80 = 0.72 of $150.
Is the purity number a guarantee?
No. It is the figure on that product's listing from its batch report. Match the batch number to your vial.