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Reviews

What researchers say

Where we can tie a review to a payment, it carries a verified purchase label.

4.9/5
167 reviews
Ray S.3 Oct 2026

Great products

Brilliant customer service in an industry shrouded in none, will be my main supplier going forward

Verified purchaseon MOTS-C
Peter D.1 Oct 2026

So far so good

Superb fast processing of order, great personal touch on delivery notes and email from Taylor. Just the product now but I don't think that will be an issue if the service is anything to go but. Thanks Taylor

Verified purchaseon GH Stack
Lynda T.1 Oct 2026

Fab

Brilliant experience from start to finish .. first time I’ve ordered … brilliant explanation of what the peptides do and how they work … quick and efficient delivery next day … lovely follow up email from the company … highly recommend

Verified purchaseon GH Stack
Tom B.30 Sept 2026

Very good range of selection, with certificates for everyone of them too. Also checked them out of being paranoid, and they all trace back to the actual lab too, which is surprisingly rare in the peptide world. Great job, very happy. I’ll be a loyal customer for sure.

Verified purchaseon IGF-1 LR3
Emma K.29 Sept 2026

Delivery was super quick, communication throughout was outstanding. Very reassuring company and also transparent, I’ll continue to buy from here moving forward.

Verified purchaseon Glutathione
Philip R.29 Sept 2026

The kovalabs team deserves some sort of award. By far the best customer support I’ve received perhaps in my life, with genuinely kind and caring people. The vials themselves look very premium and professional, but more importantly I can vouch that the quality of the stuff is truly top tier. I continue to recommend to all

Verified purchaseon Kisspeptin-10
nina K.27 Sept 2026

KPV

Amazing service and delivery.

Verified purchaseon KPV
Helen C.27 Sept 2026

Fast shipping and communication

Verified purchaseon KLOW Stack
Sian F.26 Sept 2026

I found what I wanted to order easily. Ordering was easy ,payment had been previously set up so it went through quickly. If anything goes wrong or you need to contact Kovalabs they are so friendly

Verified purchaseon Tesamorelin
Dean W.26 Sept 2026

By far the best, by a country mile

I’ve used probably around 10 companies in the past year or so. And I can hands down vouch that kovalabs are by far the best, by a complete country mile too. This is based on my experience of being on my 5th order with them so far, and I dont intend to go anywhere else in the future. So starting off, most importantly the qualty of the peptides themselves are undoubtedly the best. And I also love the fact that they have it tested by an accredited company. AND that it’s done per batch. Secondly, shipping has always arrived next day, without fail. Finally and not least, the customer support are incredible, fast, polite and patient. Also feels very ‘family run’ which I personally appreciate. Highly recommend, keep it up!

Verified purchaseon Cagrilintide
HARMAN B.26 Sept 2026

Excellent

Everything matches up, vials look clean professional, and seller is polite. I brought from a few but kova is the best so far

Verified purchaseon KLOW Stack