UK Sterile vials

arron9999

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Oct 18, 2025
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United-Kingdom
Hi all,

Im in the uk and struggling to find sterile vials.

I need some 5ml and 10ml. I dont want to buy off amazon unless it truly is sterile and trusted. I have found ks-tec on aliexpress who i know is a real company but its the ali part I dont know of is true.
I just found this on AliExpress:
£8.63 | Ks-Tek Sterile Empty Vials with Self Healing Injection Port,with Flip Off Aluminum Cap,Sterile Package

Does anyone know if this is legit and they are sterile?

Thanks
 
I'd like to know the same, as well as their syringe filters to be honest for KS-TEK specifically. I'd hate to go to the lengths to filter and end up worse than if I'd just reconstituted into the vial without filtering. You really need to be able to trust the components at every step and they're so hard to source in the UK. I saw on another forum someone saying they've used 'uk-peptides' for BAC and they do sterile vials but obviously for liability reasons they label everything 'lab use only'. So I personally don't know if that's trustworthy.
 
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Guy from germany here with the same problem.. my solution was buying a cheap autoclave from aliexpres for ~35€ and sterilizing myself. Maybe its not necessary but better safe than sorry.
 
I'm in the UK, Ive used these vials from amazon without issue amazon.co.uk/dp/B0BD72SN3D?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_2

and these filters https://www.amazon.co.uk/dp/B06Y15MS8Y?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_1&th=1

Recently purchased several pens as i inject some peps everyday and purchased the 3ml carts from aliexpress, i just sterilize those in my pressureking pro using distilled water, set on manual and at 140 degrees for 2 hours, then 20 mins in the oven at 180 degrees C get rid of any water in the pouches
 
If I recall correctly Ks-tek 3ml has been tested sterile by Janoshik. They also have 4mm filters and their own website for ordering.
 
Sterilized depyrogenated evacuated vials are what you’re looking for. I dont know if they ship abroad, cannot seem to find it on the site. But I get mine here:

I’ve seen some interesting magnified photos on other forums showing stuff inside those ks-tech vials from Amazon and alibaba.

Note: To depyrogenate glassware and other tools which can tolerate high temperatures, bake them at 250°C for 2 hours or at 200°C overnight. Note: Autoclaving sterilizesglassware/tools but does not depyrogenate it.

 
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I know it’s an old post but in case it’s helpful this is where I just got mine from and they sent ALK vials - which are very good quality. I wasn’t too sure about the KS-TEK vials myself. I got a pack of 5ml but when I opened them they didn’t have any sterilisation markings on them. These were £77.68 delivered for 25x5ml so a bit pricy but I thought there was no point filtering into something I didn’t know was sterile and pyrogen free.


I guess you could use the 3ml pen vials if you keep the volume low as I think they mostly come in the individual sterilisation pouches, if you believe them.
 
I buy these ones (50 in pack)
They are not cheap, by at least I have peace of mind (priceless). These I assure you that are sterile and clean
Part-number in the picture
 

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