My wife was on compounded Reta for 1 month doubled the dose to 4mg Northline labs and the weight loss stopped completely. One thing that will say is RX compounded Reta stopped her snoring, as soon as... Toon meer
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Been with Northline for some time now. Shipping and quality are always on par with my expectations. NAD+, Reta, Wolverine, and Klow have worked as expected. I changed NAD+ suppliers when I found a mo... Toon meer
From start to finish, Northline is communicative, helpful, sincere, and 1st class level of professional. My order was well packaged, shipped fast, and the contents above reproach. Northline is... Toon meer
I started ordering from Northline a couple months ago and they’ve been awesome, reliable and dependable. When I did have any issues with shipping customer service was right on it and responded within... Toon meer
Bedrijfsgegevens
Geschreven door het bedrijf
Northline Labs is an independent United States supplier of research-grade peptides and bacteriostatic water. We work with researchers, laboratory professionals, and biotech operators who need consistent quality and predictable supply. Every batch we ship is third-party verified at 99%+ purity. The Certificate of Analysis for each lot is published on the corresponding product page before the order moves — no waiting, no requesting. Weekday orders typically ship same-day via UPS, and we run a standing buy-one-get-one-50%-off offer across the catalog. We answer customer emails in hours rather than days, and we read every reply. Lot quality, transparency, and responsive support are the three things we work hardest to never miss — and the reason most of our customers come back.
Contactgegevens
Verenigde Staten
- northlinelabs.org
4,3
Uitstekend
498 reviews
Vraagt klanten om een review
Dit bedrijf nodigt klanten uit om een review achter te laten. Deze mag zowel positief als negatief zijn.
Heeft 39% van zijn negatieve reviews beantwoord
Reageert doorgaans binnen 2 weken
Zo gebruikt dit bedrijf Trustpilot
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Excellent product at reasonable prices
Excellent product at reasonable prices
19 juni 2026
Review zonder uitnodiging
Antwoord van Northline Labs
Thank you, Trenton! Quality at a fair price is exactly what we aim to deliver — we appreciate you taking the time to share this. — Northline Labs Support Team
Great service and products
I have ordered the GLP-3 from Northline twice now and plan on stocking up for future use. This stuff is absolutely legit and produces fantastic results. I have also used the GHK-Cu. You can trust that you are getting quality product and it arrives so fast. Within 4-5 days. Top notch all the way around.
17 juni 2026
Review zonder uitnodiging
Antwoord van Northline Labs
Thank you for the trust and the repeat orders! We're glad GLP-3 and GHK-Cu have met your expectations, and that fast, reliable shipping keeps you coming back. We appreciate you stocking up with us. — Northline Labs Support Team
This is my second order from north line…
This is my second order from north line the peptides are great quality. The only issue was shipping was a little slow.
19 april 2026
Review zonder uitnodiging
Antwoord van Northline Labs
Thanks for coming back for a second order, Jason — we appreciate it, and we're glad the quality held up. You're right that shipping ran a bit slow on this one; we're always working to tighten that up. Thanks for the honest feedback.
Antwoord van Northline Labs
Appreciate the kind words, Ryan! Glad everything arrived exactly as described. Thanks for choosing Northline Labs.
Great products
Northline has been providing great products for me for several months. Shipping is always fast and well packaged. I’ve made great progress with their products.
15 juni 2026
Review zonder uitnodiging
Antwoord van Northline Labs
Thank you, Patrick — it means a lot to have your trust over several months. We work hard to keep quality high and shipping fast, and we're grateful to have you with us.
Fast delivery
Fast delivery , packaged very well, very happy with the quality of the peptide, I definitely will be purchasing again and recommending your company to other people that are interested in peptides
5 mei 2026
Review zonder uitnodiging
Antwoord van Northline Labs
Thank you, Nancy! Fast, well-packaged delivery is exactly what we aim for, and we're glad the quality stood out. We appreciate the recommendation and look forward to your next order.
Happy first time customer.
First time customer and the process was quick and easy. The website was easy to navigate and the BOGO 50% off is a great deal. Everything was delivered as expected and the company kept me informed with the entire shipping process. Product looks clean on arrival. I like that the COA is from another American company. So far everything meets and exceeds my expectations. Looking forward to seeing the end results.
15 juni 2026
Review zonder uitnodiging
Antwoord van Northline Labs
Welcome aboard, Billy — thrilled your first order went smoothly, from the BOGO deal to the shipping updates to a clean arrival. We're proud of the third-party COA that comes with every order. Thanks for giving Northline a try.
Great quality, fast shipping
Great quality, fast shipping. No BS.
7 juni 2026
Review zonder uitnodiging
Antwoord van Northline Labs
Straight to the point — we like it. Thanks, Chris! Great quality and fast shipping with no BS is exactly what we're going for. Appreciate you.
Took longer to get this last time but…
Took longer to get this last time but still pretty fast
25 mei 2026
Antwoord van Northline Labs
Thanks, eddie! Glad it still arrived pretty fast — we're always working to keep shipping times tight, and we appreciate you sticking with us.
Ordering was easy
Ordering was easy, site was informative in guiding my choices.
23 mei 2026
Review zonder uitnodiging
Antwoord van Northline Labs
Thank you! We're glad ordering was easy and the site helped guide your choices — that's exactly the experience we're aiming for. We appreciate you.
Fast shipping and great service!
15 juni 2026
Review zonder uitnodiging
Antwoord van Northline Labs
Thank you, Tony! Fast shipping and great service is exactly what we're all about. We appreciate you.
Fast
Fast! Quality! Reliable! There’s no reason to not order from Northline.
31 mei 2026
Review zonder uitnodiging
Antwoord van Northline Labs
Fast, quality, reliable — that's the standard we hold ourselves to. Thank you, Ryan, we appreciate the strong words and your support.
Antwoord van Northline Labs
Thank you, Rick! Great service, shipping, and communication — that's the trifecta we aim for every time. We appreciate you.
Just giving you guys 5 star
1 juni 2026
Review zonder uitnodiging
Antwoord van Northline Labs
Thank you for the 5 stars! We appreciate you taking the time, and we're glad to have you with us.
I bought Reta and GHKCU several times…
I bought Reta and GHKCU several times and have had zero issues and great results!
14 juni 2026
Review zonder uitnodiging
Antwoord van Northline Labs
Thank you, Asti — we appreciate you coming back several times, and we're glad it's been a smooth, issue-free experience. Grateful to have you with us.
Lost 56 lbs in 3 months cheaper than…
Lost 56 lbs in 3 months cheaper than eating food
1 april 2026
Review zonder uitnodiging
Antwoord van Northline Labs
Thank you for the 5-star rating and your support — we genuinely appreciate you choosing Northline.
Easy to order
Easy to order. Great customer support when I had a question and order arrived quickly.
1 juni 2026
Review zonder uitnodiging
Antwoord van Northline Labs
Thank you, Leni! Easy ordering, responsive support, and a quick arrival are exactly what we aim for. We appreciate you.
Fast shipping and solid product
Fast shipping and solid product! Prices are not high and love the deals they send out regularly.
15 mei 2026
Review zonder uitnodiging
Antwoord van Northline Labs
Thank you, Les! Fast shipping, a solid product, and good deals — that's the combo we love delivering. Appreciate you keeping an eye on our offers!
Antwoord van Northline Labs
Thank you, Taelor! Fast shipping and a great product is exactly what we aim for. We appreciate you.
The Wolverine blend is amazing
The Wolverine blend is amazing. Would recommend to anyone with injuries, post surgery or with nagging muscle strains.
1 mei 2026
Review zonder uitnodiging
Antwoord van Northline Labs
Thank you, Edward — really appreciate the kind words and the 5 stars. We're glad you're happy with the blend, and grateful to have you with us.
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