Northline Labs Reviews 

496
•
TrustScore 4.5 uit 5

4,3

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Lees wat reviewers zeggen

Beoordeeld met 3 van de 5 sterren

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

Beoordeeld met 5 van de 5 sterren

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

Beoordeeld met 5 van de 5 sterren

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

Beoordeeld met 5 van de 5 sterren

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

4,3

Uitstekend

TrustScore 4.5 uit 5

496 reviews

5 sterren
4 sterren
3 sterren
2 sterren
1 ster

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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

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4,3

Alle reviews

(496)

496 reviews in de afgelopen 12 maanden

Een review schrijven
Bedrijven op Trustpilot mogen geen beloningen aanbieden of betalen om reviews te verbergen. Reviews zijn de meningen van individuele gebruikers en niet van Trustpilot. Meer informatie

Beoordeeld met 1 van de 5 sterren

I ordered products from Northline Labs…

I ordered products from Northline Labs and after using for 75 days have had zero results. TBH I question the purity of the product. When a customer service rep from the company reached out for my feedback, I told them the experience I have had. They said because of the experimental nature of the product, they could not help me. Avoid this company is my recommendation.

3 augustus 2026
Review zonder uitnodiging
Beoordeeld met 4 van de 5 sterren

Decent company

I purchased Glp3 from this company. My product arrived quickly and I can tell it's working. I had read some less than positive reviews so I was sceptical, but I'm happy with my purchase. The only reason for 4 stars is because they are kind of expensive and they charge way too much for their bac water.

18 juli 2026
Review zonder uitnodiging
Beoordeeld met 1 van de 5 sterren

Horrible

Horrible! I ordered Bac water on July 16th, and ended up receiving it until July 29th. The bottle was hot and the water had gunk inside. The bac water was definitely contaminated. I will never order from this company again.

29 juli 2026
Review zonder uitnodiging
Beoordeeld met 1 van de 5 sterren

I am very disappointed. Beware

I am very disappointed in the total lack of customer service and no way to contact this company other than email. They are not responding to my numerous emails after I received the wrong item in my order. I hope I’m wrong and they get in touch and make it right. If so I will edit my review.

16 juli 2026
Review zonder uitnodiging
Beoordeeld met 1 van de 5 sterren

Never got anything but sure was…

Never got anything but sure was charged! UPS tracking has said “label created” for almost 3 weeks now. I’ve called Northline and emailed without any response. Starting to feel like scammers! Concerned that I will now have to call credit card company and go through a (not fun) dispute.

6 juli 2026
Review zonder uitnodiging
Beoordeeld met 5 van de 5 sterren

great service!

Products were shipped in a timely manner. Packaging was secure and all products arrived in one piece. I highly recommend Northline Labs.

22 juli 2026
Review zonder uitnodiging
Beoordeeld met 5 van de 5 sterren

Fast shipping

Fast shipping, great presentation, and high quality products. 3 orders in and will keep using Northline as a source!

8 juli 2026
Review zonder uitnodiging
Beoordeeld met 1 van de 5 sterren

SCAM BUYER BEWARE

SCAM BUYER BEWARE. Not sure if previous reviews are legit. They seem to be spamming social media to rack up a bunch of orders and never sending out orders. They started off responding by email saying if your order has not arrived by the 21 day contact. The issue is not a delay in delivery. The issue is there was only a label created meaning the item was never provided to UPS.

10 juli 2026
Review zonder uitnodiging
Beoordeeld met 1 van de 5 sterren

We received the wrong peptide in the…

We received the wrong peptide in the mail! I sent over a picture of the peptide and invoice that was sent that showed what it was suppose to be! The first responses were very fast! After I sent them all the information I got an email that said it had to be reviewed! There was not much to review you could see their mistake! It has now been 3 days I have contacted the customer service 2 times a day asking if it has been reviewed! Nothing not one email from them! I would like to get what we paid for and I would gladly send this back!

18 juli 2026
Review zonder uitnodiging
Beoordeeld met 1 van de 5 sterren

Fake product

Unfortunately the research items are all totally fake. Probably just powdered EAA’s. Save your money everyone.

This really was heartbreaking.

17 juli 2026
Review zonder uitnodiging
Beoordeeld met 1 van de 5 sterren

Faulty product or something!

I just received my order and started it after being with a different supplier for a few months and their product is doing absolutely nothing for me! Extremely disappointed in the product and I’m blown away that there aren’t More bad reviews with this company! I would like you to send me a return label so I can return the inside products so you can refund my money!

19 juli 2026
Review zonder uitnodiging

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