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... Leggi di più
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I started out with just one peptide and now use a few different ones from Northline. Shipping is fast and customer service is great. The only thing I wish they would do is use larger vials for the hig... Leggi di più
L'azienda ha risposto
Product Works. But I bought the The Mot-C and the BP-157 and there was no water to reconstitute the powder on either. This was a reorder for me. Twice no water. I think if you order stuff that needs t... Leggi di più
L'azienda ha risposto
Quality products. Used several peps from Northline and every one have been great. Reta has shown great results and CJC-IPA provides the flush that indicates it’s working. Northline is my trusted suppl... Leggi di più
Dettagli dell'azienda
Scritti dall'azienda
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.
Informazioni di contatto
Stati Uniti
- northlinelabs.org
Ha risposto al 100% delle recensioni negative ricevute
Solitamente risponde entro 2 settimane
Come questa azienda usa Trustpilot
Scopri come vengono raccolte, valutate e moderate le loro recensioni e valutazioni.
Affordable, fast.
Prices are some of the most, if not the most, affordable, out there. I received my order within a few days with standard shipping. Everything was as expected. No complaints. Will purchase again!

Risposta di Northline Labs
Shipping and product quality is good
Shipping and product quality is good! However, customer service is poor. It takes days for them to respond back or they don’t respond at all. I would ask about wholesale or ambassador perks, they responded once but the other times did not get no response.

Risposta di Northline Labs
Northline labs has outstanding customer…
Northline labs has outstanding customer service and the products are phenomenal!

Risposta di Northline Labs
Ordered and arrived quickly
Ordered and arrived quickly. Only feedback is more direction about reconstitution and amount to use. Turned to the internet to find the info which isn’t always the best.

Risposta di Northline Labs
Great experience overall
Great experience overall.
Placing orders is simple and quick.
I place my order and in a few days later it is in the mailbox. I have not had a zero dark issues when comes to shipping.
Love the variety of peptides that are available.

Risposta di Northline Labs
Product came in at a great price and…
Product came in at a great price and with great speed.

Risposta di Northline Labs
Extremely high quality product
Extremely high quality product. High quality presentation.
Delivery time 2-3 days with live tracking.
Best experience I could have asked for.

Risposta di Northline Labs
I’ve ordered 4 times from Northline
I’ve ordered 4 times from Northline; every order was on point except one order my package was either stepped on or smashed when I got it from UPS. They re-issue right away no questions.

Risposta di Northline Labs
Wish I’d read the negative reviews…
Wish I’d read the negative reviews before ordering. Worst experience after having ordered from a few other peptide companies. To begin, paid for two day shipping and didn’t receive for 10 days as other reviewers have noted. But most egregious is that none of the vials have batch numbers that correlate with the COA published on their website and no printed COA came with my order. Dose written on the Reta vial was a completely different dose than the vial ordered. I would never ever feel safe using and conducting research with any vials that come from this company. Just outrageous, epically given that I spend $750 on my order.
Order #32506
Update: not sure why they’re pretending not to know about this order considering they’ve emailed admitting their mistake re wrong vial being sent. This still however does not address my concerns re safety of vials as batch numbers and lot numbers don’t correlate to what’s published on the site. This is the only peptide company I’ve seen have this discrepancy and not include COAs with orders sent.

Risposta di Northline Labs
It's Chinese untested chemicals
Their reviews all have American names and horrible English that's been translated from Chinese. This company is NOT third party tested. They are a Chinese company shipping from over seas with untested chemicals. I tested the Retarutride and it was only 42% pure. This is a health risk.
Update: I sent all the proof to northline labs and they doubled down that their reviews are authentic when it's a name like Jeff Kyle and the message is like "Purchased Times many and Can't I get enough! Incredible generosity of this peptide man journey!"

Risposta di Northline Labs
Bought northline labs retatrutide 20mg…
Bought northline labs retatrutide 20mg and it was delivered from a home address. I have sent numerous emails and texts asking why and to send me cert on this product but keep getting the run around. I’ve taken the product for over a month and don’t believe it is legit. I previously purchased from peptide science but they went out of business. So I know what I should be feeling with the product. Very disappointed

Risposta di Northline Labs
Reta
I paid extra for 2 shipping and didn’t receive the product for almost 10 days. Tried email and calling the company no answer. their Reta Is fake been taking it 3 weeks and absolutely no benefits or improvements on hunger curve. I’ve taken Reta from another company and had results in 2 weeks. Do not waste your money or time on their overpriced fake products

Risposta di Northline Labs
UPDATED REVIEW
Heard from Northline via phone. Problem solved. I always appreciate a direct phone call!! Package was lost with UPS. Items are being re-sent. Thank you Northline 🙏

Risposta di Northline Labs
So I ordered for the first time last…
UPDATE: finally received a phone call and got a refund. Not without having to re- explaining and Northline still not owning all the trouble. They said it was UPS fault.
So I ordered for the first time last month. 2 weeks later the order was sent to another city. Never received it. Ordered 3 items came to around 140$. They then resent the order and I finally received another week and half later missing one of the items. I asked twice to just get a refund since it had been so long. Both times said they would have to contact management to discuss a refund and would reach out 24 to 48 hours neither time got a response. So now I have 2 products that are still unusable because the bacteriostatic water was never sent. That I would have to wait for that to be delivered in order to use it. Which would probably be another week and half. Its been over a month now. Im just asking for a timely refund and still nothing. Little update. Can't get anyone to do what needs to be done. Im supposed to continue to say the same thing over and over no information I get sent in circles.

Risposta di Northline Labs
Great customer service
Great customer service. My product came in a reasonable time and they gave me a free bac water.

Risposta di Northline Labs
Great customer service
Great customer service, great product. Highly recommend!

Risposta di Northline Labs
Great experience
Great experience! They shipped my order right away and the product is high quality. Only place I’ll ever order from

Risposta di Northline Labs
Stellar customer service
I just started working with this company for my peptide growth. So far my experience has been stellar. The customer service is absolutely amazing. I had an issue with paying my order and the called me personally to walk me through it. Can’t wait to get my order and start using.

Risposta di Northline Labs
Quality products and customer service.
Upon checking out my order, I was brought to a professional, and secure place to enter my payment information. I then received several order authentications through email and text as well as order updates. I then received my Package in the mail within 4 days. Extremely
Professional, reliable, and my new favorite
Company to Order from.

Risposta di Northline Labs
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