Northline Labs are very prompt with shipping and once when I had a problem they were quick to correct the issue. My only slight complaint is that the vial packaging sometimes is not of a very high qu... Voir plus
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I started with Northline Labs a few months ago with one peptide. I was impressed with their customer care and their speed with getting me my product. Also their quality is like no other I’ve had befor... Voir plus
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I’ve ordered from Northline multiple times now and have had no problems whatsoever every time. Checkout process is super easy and delivery is quick. Products come well packaged and definitely are legi... Voir plus
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The products work as stated , price is very fair . The one detail to tighten up would be customer service , I tried multiple times to call to no answer never a call back . They definitely respond to e... Voir plus
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À propos de l'entreprise
Écrit par l'entreprise
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.
Coordonnées de contact
Etats-Unis
- northlinelabs.org
Demande des avis aux clients
Cette entreprise invite régulièrement ses clients à laisser des avis, qu’ils soient positifs ou négatifs.
A répondu à 75 % de ses avis négatifs
Répond généralement dans un délai d'un mois
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I have been using peptides now for…
I have been using peptides now for about 2 months. And I have been purchasing from a few different vendors. Some have slow delivery. Have limited inventory. Or don't take credit cards. Northline had NONE of these issues. Inventory was great, payments were easy, and delivery was fast! The product was just as promised! I will do my peptide shopping here from now on! Thank you Northline!

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I was a satisfied customer.
I was definitely as satisfied customer. Reta is working great! However , I would prefer they use bigger vials for the higher doses. I was supposed to receive a 25% off my next order Coupon code for leaving a review and I never received it. I have sent Northline 2 emails (because there is no phone # to call.) and both emails have been ignored. 🙁 I'm satisfied with the shipping and I would definitely order again if they would send me the 25% coupon code that I was promised for leaving a review.

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Prices are a little high
Prices are a little high, but quality is good. They often run deals and have discounts so it’s more affordable. You get what you pay for though, and quality costs more money. Can’t put a price on health, so all in all 4/5 stars but that missing star probably has more to do with my income level than anything.

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Satisfied customer who will continue to order from this company
I have ordered several times, having transparency, efficacy with product, and fast shipping along with affordable pricing has made me a repeat customer. I also enjoy all of the helpful information that they post on social media, I will continue to order from this company. thank you for making a great product.

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Excellent Customer Service
I placed my first order last month, everything came exactly as described and was delivered in a timely manner. I will be ordering again!

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Northlinelabs has been my go to for…
Northlinelabs has been my go to for quality peptides. Competitive pricing and fast delivery. I personally have had a fantastic experience. Will continue to do business with Northlinelabs.

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I love how fast the products are…
I love how fast the products are shipped out and arrive. I have experienced better results with their products compared to other brands in the past.

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Great Quality and Packaging, Helpful Label Suggestion
The peptides I’ve received from North Line Labs have arrived very well packaged, protected, and in good condition. So far, my experience with the shipping and product presentation has been very good.
As a suggestion, I think it would be very helpful if the labels had different colors depending on the peptide category, for example recovery, performance, fat loss, sleep/recovery, etc. That would make it much easier to recognize them quickly, especially when managing several vials at the same time.
Overall, it has been a very good experience with the product and packaging. That small detail with the label design would make the organization even more practical.

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No issues with purity and quality
No issues with purity and quality. Excellent products. Quick shipping. Great customer service!

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I like that your a US based…
I like that your a US based company..your catalog carries many top products..also love the 2 day shipping option..prices are very reasonable!

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Received quickly
Received quickly. Peptide came in powder form so I had to research what to do. No instructions are given. Order BAC water with your peptide. I had to send in a second order for that.

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Just got first order
Just got first order, ordering was easy and shipping was quick.

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I have loved my Northline products!
I have loved my Northline products!! They are 3rd party tested. Ordering is the easiest I have ever found. And it arrives as promised quickly! I have shopped at several sites and I will never need to change from Northline ordering!

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Overall
Overall, great experience as far as product and processing time. Only wish they would ship using UPS OR FedEx? Will order again, though

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Good customer service
Good customer service . Replied within a couple of hours . Fast shipping on the product . Everything I’ve purchased is legit. Will keep buying from this site .

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Great Customer Service!
Great Customer Service!
My delivery was delayed by UPS and I was concerned about the integrity of the peptides. I emailed customer service and they guided me through the entire process and reassuring me that if anything is not right to let them know and they will take care of it. Their reply is fast and clear. Excellent product and excellent service.

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Awesome Company
Awesome Company! I picked Northline for my peptides because they are 3rd party tested and verified. They also have a great selection of peptides and strengths. Shipping was very fast, they had great pricing, and I am very happy with the results I've gotten from the peptides. Great company!

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Top tier quality products
Top tier quality products. Shipping was quick.
My husband and I are both seeing tremendous results from the Reta.

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Ordering was easy
Ordering was easy, shipping was quick and well packaged! All their email communication kept you up to date on where your order was in the process! Would definitely order from Northline Labs again!

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