2/2 orders arrive, Only thing is twice the sender forgot one part of my adresss, even when I left a note on the second order specially to include it otherwise all good but more care can be taken here... See more
Professor.nl
Thanks for visiting Trustpilot. Unfortunately, it’s not possible to leave a review here anymore because the company’s website has closed. Feel free to contact us if you have any questions.
While we don't verify specific claims because reviewers' opinions are their own, we may label reviews as "Verified" when we can confirm a business interaction took place. Read more
To protect platform integrity, every review on our platform—verified or not—is screened by our 24/7 automated software. This technology is designed to identify and remove content that breaches our guidelines, including reviews that are not based on a genuine experience. We recognise we may not catch everything, and you can flag anything you think we may have missed. Read more
See what reviewers are saying
I think The product is mostly inactive isomers (erythro) because I needed to dose 42mg (of wich 28 intranasal) for it to have any effect on my heart rate. I can't say forsure, but its definitely not t... See more
Relié à Trrcshop (The Real RC, ils ont des coordonnées bancaires/banques similaires), faites attention, ils commencent à mentir sur la réception de votre argent et encaisser sans envoyer la comman... See more
The chemicals are top notch quality, nice website, fast delivery, responsive customer support. The only negative thing I can say about them is automated credit card payment never seems to work, I alwa... See more
the best
WOW Great site great service super products I recived my order in 8 days a nice free gift because i made a good order.. I will use them for now one the Proffessor is the man! Wooooooooooooo!
Exelent comuniquation👌my first parcel…
Exelent comuniquation👌my first parcel was probably loose by DHL
So professor made me a quick reship
Very nice customer service
I wait for an second parcel now
Hope quality is on point 👌
Top service!
Very fast delivery and they also added…
Very fast delivery and they also added a gift. The product is standard, but i really like how they work!
Best service and delivery for all your research
It was my second time ordering from this site and i got my package after three days discreetly in the mailbox. Top service and love the free samples! You won't find it better anywhere else.
All perfect! Recommend
All perfect, good service, fast delivery, good quality. Highly recommend
All packages arrived and everything…
All packages arrived and everything included was good
Great quality
Great quality. Speedy delivery AND a free tester
I'll be ordering here every week
Best research
Quality,cool and very fast
Quality,cool and very fast ! I have never had such fast delivery in my entire life even with Amazon Prime and for customer service too! The Professor is the best guy !I recommend 100% eyes closed.I'm just disappointed that I can't put one more star because it really deserves it...
The beast shop ever :*
The Trustpilot Experience
Anyone can write a Trustpilot review. People who write reviews have ownership to edit or delete them at any time, and they’ll be displayed as long as an account is active.
Companies can ask for reviews via automatic invitations. Labeled Verified, they’re about genuine experiences.
Learn more about other kinds of reviews.
We use dedicated people and clever technology to safeguard our platform. Find out how we combat fake reviews.
Learn about Trustpilot’s review process.
Here are 8 tips for writing great reviews.
Verification can help ensure real people are writing the reviews you read on Trustpilot.
Offering incentives for reviews or asking for them selectively can bias the TrustScore, which goes against our guidelines.








