Hey there! As a supplier of enteric coated capsules, I often get asked how these little wonders ensure consistent drug release. Well, buckle up, ’cause I’m about to break it down for you in plain English (or should I say, plain "science speak"!). Enteric Coated Capsules

First off, let’s talk about what enteric coated capsules are. They’re basically capsules with a special coating that’s designed to resist the acidic environment of the stomach. Instead of dissolving right away in the stomach, the coating holds up until the capsule reaches the more alkaline environment of the small intestine. This is super important for a few reasons.
For starters, some drugs are sensitive to the acidic conditions in the stomach. If they were to be released there, they could get degraded or lose their effectiveness. By using enteric coated capsules, we can protect these drugs and make sure they stay intact until they reach the place where they’re supposed to work.
Another reason is that some drugs can irritate the stomach lining. Releasing them in the small intestine instead of the stomach can help reduce the risk of side effects like nausea, vomiting, and stomach pain. It’s like giving your stomach a break!
So, how do these capsules actually ensure consistent drug release? Well, it all comes down to the coating. The enteric coating is made up of a special polymer that has unique properties. When it’s in the acidic environment of the stomach, the polymer stays intact because it’s insoluble in acid. But when it enters the more alkaline environment of the small intestine, the polymer starts to break down.
This breakdown process is carefully controlled. The coating is designed to dissolve at a specific pH range, which is usually around 5.5 to 7.5. This means that as long as the capsule reaches the small intestine, where the pH is typically in this range, the coating will start to dissolve and release the drug.
But it’s not just about the pH. The thickness and composition of the coating also play a big role in ensuring consistent drug release. If the coating is too thin, it might dissolve too quickly in the stomach, leading to premature drug release. On the other hand, if it’s too thick, it might take too long to dissolve in the small intestine, delaying the drug’s release.
That’s why we pay such close attention to the manufacturing process. We use high – quality polymers and precise coating techniques to make sure each capsule has the right thickness and composition. We also conduct a lot of quality control tests to check the integrity of the coating and the release properties of the capsules.
One of the tests we do is called the dissolution test. In this test, we simulate the conditions in the stomach and small intestine using special equipment. We put the capsules in a solution with a specific pH and temperature, and then we measure how much of the drug is released over time. This helps us make sure that the capsules release the drug at the right rate and in the right place.
We also do stability testing. We store the capsules under different conditions, like different temperatures and humidity levels, to see how they hold up over time. This is important because we want to make sure that the capsules remain effective throughout their shelf life.
Now, I know all this science stuff might seem a bit overwhelming, but it’s all about making sure that you get the best – quality enteric coated capsules. As a supplier, my job is to provide products that are reliable and consistent. And let me tell you, we take this job very seriously.
We’ve been in the business for a while now, and we’ve built up a lot of expertise in enteric coating technology. We work with some of the top pharmaceutical companies in the industry, and we’re constantly looking for ways to improve our products.
For example, we’re always researching new polymers and coating techniques that can improve the performance of our capsules. We’re also looking into ways to make our manufacturing process more sustainable, without compromising on quality.
If you’re in the pharmaceutical industry and you’re looking for a reliable supplier of enteric coated capsules, then you’ve come to the right place. We can offer you high – quality capsules that are specifically designed to meet your needs. Whether you’re developing a new drug or looking to improve an existing one, we can work with you to find the best solution.
We understand that every drug is different, and it requires a unique approach when it comes to encapsulation. That’s why we offer custom – coating solutions. We can tailor the coating thickness, composition, and release properties to match the specific requirements of your drug.
So, if you’re interested in learning more about our enteric coated capsules or want to discuss a potential project, don’t hesitate to reach out. We’re here to answer your questions, provide you with samples, and work with you to create the perfect capsules for your drug.

In conclusion, enteric coated capsules are a fantastic way to ensure consistent drug release. Their special coating protects the drug from the acidic stomach environment and allows it to be released in the small intestine where it can work most effectively. Thanks to our careful manufacturing process and quality control measures, we can guarantee that our capsules meet the highest standards of quality and performance. So, give us a shout, and let’s start talking about how we can help you with your drug delivery needs!
Empty Gelatin Capsules References
- Roos, N. & Singh, B. (2015). Design and development of enteric – coated multi – unit pellet system for controlled release of an anti – inflammatory drug. International Journal of Pharmaceutics.
- Lobenberg, R. & Amidon, G. L. (2000). Modern bioavailability, bioequivalence and dissolution testing. European Journal of Pharmaceutics and Biopharmaceutics.
Hubei Kornnac Pharmaceutical Co., Ltd.
Hubei Kornnac Pharmaceutical Co., Ltd. is one of the most professional enteric coated capsules manufacturers and suppliers in China, specialized in providing high quality OEM service. Welcome you to buy bulk customized enteric coated capsules at competitive price from our factory. Also, samples are available.
Address: No.439 Hebei Avenue, Chibi, Hubei Province, 437300, China.
E-mail: service@kornnaccaps.com
WebSite: https://www.kornnaccaps.com/