CanadaTM XpresspostTM
Estimated 1–3 business days
Our Guarantee
Purchase with confidence
Private & Discreet
Carefully packaged for privacy
No appointments. No paperwork. No recurring clinic fees. Just lab-tested semaglutide delivered to your door in as little as 2 days.
Quality You Can Verify
Independent laboratory testing with batch-specific results available.
No Subscriptions Required
No appointments, no memberships or recurring fees.
Trusted by 60,000+ Canadians
Established trust across Canada.
Responsive Customer Support
Real help when you need it.
Product Overview
Semaject contains semaglutide, the same active ingredient as Wegovy® and Ozempic®, in a convenient, ready-to-use prefilled pen. Each pen is independently tested for quality and shipped discreetly across Canada for a simple, straightforward experience.
- 16 mg Retatrutide pen / 3 mL
- Selectable Doses (.50 mg / 1 mg / 2 mg / 3 mg)
- Ready-to-use adjustable pen
- 6 sterile pen needles included
- Long-term storage: Refrigerate at 2–8°C upon arrival
What's Included
Semaject contains semaglutide, the same active ingredient as Wegovy® and Ozempic®, in a convenient, ready-to-use prefilled pen. Each pen is independently tested for quality and shipped discreetly across Canada for a simple, straightforward experience.
- 16 mg Retatrutide pen / 3 mL
- Selectable Doses (.50 mg / 1 mg / 2 mg / 3 mg)
- Ready-to-use adjustable pen
- 6 sterile pen needles included
- Long-term storage: Refrigerate at 2–8°C upon arrival
How to Use
Semaject contains semaglutide, the same active ingredient as Wegovy® and Ozempic®, in a convenient, ready-to-use prefilled pen. Each pen is independently tested for quality and shipped discreetly across Canada for a simple, straightforward experience.
- 16 mg Retatrutide pen / 3 mL
- Selectable Doses (.50 mg / 1 mg / 2 mg / 3 mg)
- Ready-to-use adjustable pen
- 6 sterile pen needles included
- Long-term storage: Refrigerate at 2–8°C upon arrival
Product Overview
Semaject contains semaglutide, the same active ingredient as Wegovy® and Ozempic®, in a convenient, ready-to-use prefilled pen. Each pen is independently tested for quality and shipped discreetly across Canada for a simple, straightforward experience.
- 16 mg Retatrutide pen / 3 mL
- Selectable Doses (.50 mg / 1 mg / 2 mg / 3 mg)
- Ready-to-use adjustable pen
- 6 sterile pen needles included
- Long-term storage: Refrigerate at 2–8°C upon arrival
Storage
Semaject contains semaglutide, the same active ingredient as Wegovy® and Ozempic®, in a convenient, ready-to-use prefilled pen. Each pen is independently tested for quality and shipped discreetly across Canada for a simple, straightforward experience.
- 16 mg Retatrutide pen / 3 mL
- Selectable Doses (.50 mg / 1 mg / 2 mg / 3 mg)
- Ready-to-use adjustable pen
- 6 sterile pen needles included
- Long-term storage: Refrigerate at 2–8°C upon arrival
Lab Results
Semaject contains semaglutide, the same active ingredient as Wegovy® and Ozempic®, in a convenient, ready-to-use prefilled pen. Each pen is independently tested for quality and shipped discreetly across Canada for a simple, straightforward experience.
- 16 mg Retatrutide pen / 3 mL
- Selectable Doses (.50 mg / 1 mg / 2 mg / 3 mg)
- Ready-to-use adjustable pen
- 6 sterile pen needles included
- Long-term storage: Refrigerate at 2–8°C upon arrival
Reviews
Semaject contains semaglutide, the same active ingredient as Wegovy® and Ozempic®, in a convenient, ready-to-use prefilled pen. Each pen is independently tested for quality and shipped discreetly across Canada for a simple, straightforward experience.
- 16 mg Retatrutide pen / 3 mL
- Selectable Doses (.50 mg / 1 mg / 2 mg / 3 mg)
- Ready-to-use adjustable pen
- 6 sterile pen needles included
- Long-term storage: Refrigerate at 2–8°C upon arrival
Trusted by thousands across Canada
Real feedback from real customers. See why Canadians choose GLP North.
- Verified Reviews by YayReviews
/5
Based on 1000+ verified reviews
VERIFIED PURCHASES ONLY
- AI Review Summary
Customers love Semaject for its quality, fast shipping and excellent results. The most common feedback mentions increased energy, reduced appetite and great customer support.
- Highly Effective
- Fast Shipping
- Great customer support
- Discreet packaging
- Verified purchase
September 14, 2026
Sep 14
I was impressed with how simple the whole ordering process was. My package arrived quickly and everything was packed very discreetly. The pen itself was easy to understand and use, which made the experience feel much less complicated than I expected. I also reached out to support with a question and got a helpful response very quickly. Read More
Sarah M.
Helpful?
- (5)
- (0)
- Verified purchase
August 28, 2026
Sep 14
Everything from checkout to delivery went smoothly. Shipping was fast, the packaging was discreet, and the product arrived in excellent condition. I really liked how straightforward the pen was to use and how clear the overall process felt. Customer support was also responsive and friendly when I needed clarification. Read More
Emily R.
Helpful?
- (8)
- (0)
- Verified purchase
July 19, 2026
Sep 14
I had a really positive experience overall. The website was easy to navigate, ordering only took a few minutes, and I received my shipment sooner than expected. The packaging was secure and very low-key, which I appreciated. The product presentation also felt professional and well thought out. Read More
Jessica L.
Helpful?
- (5)
- (0)
- Verified purchase
July 19, 2026
Sep 14
I was looking for something that felt simple and convenient, and this experience definitely delivered on that. My order arrived quickly, everything was packaged carefully, and there were no surprises along the way. The pen was easy to handle and the instructions were straightforward. Read More
Amanda K.
Helpful?
- (5)
- (0)
As featured in
As featured in
Looking for another option?
Explore Retaject, a 16 mg retatrutide multi-dose pen with selectable dosing and the same ready-to-use format.
Retatrutide formula
Different ingredient with triple-pathway support.
16 mg multi-dose pen
Selectable doses from 0.5 mg to 3 mg.
Same simple format
Ready-to-use adjustable pen with no mixing required.
Retaject
(Retatrutide Pen) 16 mg
$319.00
4.7 (145 reviews)
Still have any questions? We are here to answer!
The Semaject 4 mg Semaglutide pen is designed to provide 16 applications at 0.25 mg, 8 applications at 0.50 mg, and 5 to 6 applications at 0.75 mg.
The Retaject 16 mg Retatrutide pen is designed to provide 16 applications at 1 mg, 8 applications at 2 mg, and 5 to 6 applications at 3 mg.
Users have the flexibility to alternate between different levels using the adjustable dial.
At this time, we are focused on serving the Canadian market and do not offer shipping outside of Canada.
You can expect to receive your tracking number within 1 to 2 business days following the processing of your payment.
We do ship our products with ice packs to maintain optimal temperature control. Recent analyses have shown that our Semaglutide & Retatrutide can withstand temperatures up to 40°C (104°F) for up to 4 days, and 30°C (86°F) for up to 15 days without affecting its efficacy. Therefore, if the product is not cold to the touch upon arrival, there is no cause for concern—simply refrigerate it upon receipt.
Unfortunately, at GLP North, we are unable to provide dosage guidelines or usage advice. We appreciate your understanding.
All of our prices are in CAD (Canadian Dollars)
