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We have customers all over the world! Here’s what they say:
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We tested the 'FaSSIF/FeSSIF/FaSSGF' media for our research. The results were as desired. We will continue to buy the product.

Valentin Gallert, BioNTech
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It took only 10 minutes to prepare FaSSIF, this powder makes it easy to use biorelevant media.

Shionogi & Co. Ltd, Japan
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The powder from biorelevant.com provides a very practical and economical way to produce the FaSSIF medium.

Iris Duarte, Hovione Farmaciência SA
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We use it quite frequently and have never had issues with it. It is a great product.

Lilly
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The powder is very good, it is simple to use and stable.

Debiopharm Group
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Service is the best, efficient and reliable. The powder from biorelevant.com is the ONLY material that we use.

Abbott Laboratories
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Dog FaSSIF/FaSSGF helped us to select one formulation out of several prototypes for a bioavailability study in dogs. All prototypes were tested in buffer media in advance but results were hardly discriminative due to the poor solubility of the API. We expect that the canine Biorelevant Media will also reflect the in vivo precipitation kinetics of APIs more accurately if enhanced solubility (supersaturation) is targeted.

Dr. Marcel Arndt, Evonik
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I think that FaSSIF is a very special and original product and it's very important for our lab research to help create new medicines.

Petr Hrabal, Zentiva k.s.
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I think it's a good product for researching new medicines. Thanks for your work!

Lucie Krejčířová, Zentiva k.s.
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It is easy to use. The powder is not irritating when weighing. The containers (packaging) are very
attractive. We are very satisfied with your product.

Lek Pharmaceuticals d.d.
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FaSSIF/FeSSIF/FaSSGF powder is very easy to use and gives consistent, reliable results. Instructions for use are very clear and correspondence from the company is swift and helpful. Great service too.

Tom Dennison, Aston University
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We use powder from biorelevant.com for in vitro dissolution testing of the drugs in Biorelevant Media and it is very helpful to predict the in vivo behaviour of the drugs in this way. Preparation of the media is very easy and time saving with this powder.

Dr. Asuman AYBEY DOĞANAY, Ilko Ilac
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Trying to convince people that we should use biorelevant media in order to accurately predict the in vivo situation is one thing, but knowing that these media are also easy to make should convince everybody to work with it. Even in fed state media (where we are dealing with a complex intraluminal environment), biorelevant.com has now launched the new FeSSIF-V2 which can lead to more optimized predictions in postprandial conditions.

Bart Hens, KU Leuven
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We use the powder for preparation of different biorelevant media (FaSSGF, FaSSIF and FeSSIF) for solubility and dissolution studies. The method of preparation of the media is very easy to follow and we get biorelevant media of high quality. The short time needed for their preparation and the reproducibility of the media are great advantages of this product. The support from the biorelevant.com team is excellent!

Dr Nikoletta Fotaki, Bath University
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We routinely use powders from biorelevant.com in our transfer model to examine the supersaturation and precipitation behaviour of poorly soluble drugs. Not only is the media considerably quicker to prepare but its preparation is also significantly safer as dichloromethane is no longer required. We have been very happy using the media so far and will continue to use the powders in the future.

Dr Ed Kostewicz, Frankfurt University
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Now there is only one way of preparation for us – FaSSIF/FeSSIF/FaSSGF, because there are only benefits. It saves a lot of time (by our calculations more than 50%) and the best part is very simple preparation. It's also very user friendly because with powder we can prepare low volumes of media (e.g. for solubility testing).

Krka
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Biorelevant.com media have been a staple of our lab for the past year as we move into oral formulation development and testing. Your powders are easy to use, and the buffers are straightforward to make. I appreciate the ease with which we can make intestinal and gastric fluids for research purposes.

Princeton University
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The products are perfect... we are very pleased with them and the service offered.

Jessica Engelschmidt, Losan Pharma
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Great products with simple preparation procedures to help preclinical and clinical formulation work such as solubility measurement and dissolution testing. 

Ardelyx
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Products are easily applicable. Everything about our order was fast and professional.

University of Zagreb
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These products are great!

Absorption Systems
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I like the products very much. They are good for my analysis when simulating intestinal fluids.

Liconsa S.A.
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Meets expectations. Easy preparation. Fast delivery, simple instructions. The more compact bottle needs less space in the fridge. The webpage with calculations is appreciated.

Novartis Pharma AG
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I think that the products offered are great for development work on dissolution method and the ease of use of the product provided made buying from your company a must for future method development. Service was extremely fast.

Lee Bertram, Gilead Sciences, Inc.
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My group has been using the media since before I joined. The products have been very easy to use and quick to arrive. It's been super easy ordering from you guys.

Pfizer Inc
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Perfect for our dissolution work... the products are great with delivery always on time. Guys, keep up your good job!

Spectrum Pharmaceuticals Inc
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I've always gotten reliable and reproducible data with the products that helped the formulations department better adjust their experiments to produce desired dissolution profiles. Love the wide range of media as well!

Theravance Biopharma
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I think these products are great. We have some simulated solutions we make but this is great for adding some components that we don't normally use. I also like that the same product can be used for fed and fasted intestinal conditions with different prep.

Dow
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FaSSIF-V2 is very user friendly. Good explanation on the preparation and the fast delivery is very appreciated!

Novartis Pharma AG
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The powder is really good to show how API´s and formulations work under biorelevant conditions. It is easy to use and handle. We test many API´s with powder from biorelevant.com and have had good results.

Merck KGaA
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We use FaSSIF/FeSSIF/FaSSGF powder in our lab. The biggest benefit of using the powder is that it is very flexible and compatible with different buffers. We can then create Biorevelant Media at different pHs and buffer capacities. The powder is very easy to use. The biorelevant.com website provides a great resource in terms of preparing and using the media. The staff are very friendly and work efficiently!

Dr Fang Liu, Hertfordshire University
We aim to respond within 24 hours!


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All Products
Biorelevant Media
Buffers
Consumables
NEW!
FEDGAS High-Fat Meal Dissolution Kits
Our turnkey kits enable you to generate dissolution profiles of your drug in fed stomach media (Early, Mid and Late versions available)
BEST SELLER
FaSSIF/FeSSIF/FaSSGF Powder
Make 3 different biorelevant media from 1 powder. Our original product used by the top 10 companies in Pharma
RECOMMENDED!
FaSSIF Buffer Concentrate
Use with FaSSIF/FeSSIF/FaSSGF Powder to make FaSSIF of the highest quality and reproducibility in just seconds
RECOMMENDED!
FaSSGF Buffer Concentrate
Use with FaSSIF/FeSSIF/FaSSGF Powder to make FaSSGF of the highest quality and reproducibility in just seconds
RECOMMENDED!
FeSSIF Buffer Concentrate
Use with FaSSIF/FeSSIF/FaSSGF Powder to make FeSSIF of the highest quality and reproducibility in just seconds
FaSSIF-V2 Powder
Makes the second version of FaSSIF (Fasted State Simulated Intestinal Fluid) for drug solubility and dissolution testing
FeSSIF-V2 Powder
Makes the second version of FeSSIF (Fed State Simulated Intestinal Fluid) for drug solubility and dissolution testing
Dog FaSSIF/Dog FaSSGF Powder
Examine how an oral drug will be released from a formulation and dissolve in canine gastrointestinal fluids
FaSSCoF Powder
A biorelevant dissolution medium simulating fasted state colonic fluid to help assess how modified release drug products will dissolve
FeSSCoF Powder
A biorelevant dissolution medium simulating fed state colonic fluid to help assess how modified release drug products will dissolve
NEW!
Syringe Filters
We recommend these glass syringe filters manufactured in the UK by Whatman for successful biorelevant testing