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Firmafill is a combination of high-quality excipients designed to take unnecessary research out of capsuling to save you time and money.

With Firmafill, you won’t have to measure and mix fillers or flow agents and there are no ratios to calculate. We’ve put everything we’ve learned over the last 10 years into Firmafill so that you can produce pharmaceutical grade capsules right away. You won’t have to have to worry about capsule consistency, flowing issues or the reliability of your experiments.

This could mean the difference between passing clinical trials or building a repeat customer base from launch because your product has already harnessed 10 years of constant improvement from Firmafill. It could also mean getting much more reliable results if you’re making supplements at home.

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Why Do You Need Firmafill?

There are a few problems that Firmafill solves.

  1. Even Distribution - Making sure that each capsule has the same amount of active ingredient is going to be vital to getting consistent results. In the case that your capsules are inconsistent, some customers may not consume enough active to notice any effects, while others will consume too much, potentially even unhealthy amounts.
  2. Testing Anything - It would be impossible to test anything if there was more than one variable changing. Firmafill allows you to have scientific levels of accuracy so that you can experiment with everything else to make it as effective as possible.
  3. Prevent Adherence Of Granules & Powders - If your powder is sticky then you might find that it gets stuck to different parts of the machine, slowing down production and potentially stopping it altogether. Firmafill contains Magnesium Stearate and Silica Di Oxide, two highly flowable excipients that will prevent your formula from sticking to your machine.

The Main Benefits Of Firmafill

Saves You Money - Since 2009 we’ve come across a lot of expensive problems in encapsulating and we’ve figured out how to solve them. We’ve created Firmafill so that you don’t have to. This could save you thousands on excipients and removes the risk of them not working. Firmafill is guaranteed to work with 99% of active ingredients and comes at a fraction of the price of required to develop your own formula.

Convenience - Firmafill means instead of keeping on top of supply for 5+ different suppliers, you can conviniently order Firmafill on our website or request an invoice in just seconds. Firmafill is in stock at all times in our UK, US and Taiwan offices and can be dispatched same or next working day so that you can keep production going.

Saves Time - When it comes to developing products, resources are often limited and ultimately it’s how well they are utilized that largely determines the success of the product or business. We’ve seen too many promising businesses stopped in their tracks because they spent too much time and money struggling to get their formulas perfect. Firmafill allows you to avoid the chance of this happening to your business and helps you start producing and potentially generate revenue from day one.

What Are The Ingredients And What Do They Do?

Microcrystalline Cellulose - Microcrystalline cellulose is an easy flowing powder that adds bulk and weight to your capsule. While retaining high flowability, it ensures your active ingredient is spread evenly throughout your mixture. As an inert substance, it won’t react with other ingredients. It’s an all-around beneficial ingredient that makes every part of the creation process easier.

Magnesium Stearate - Magnesium is the prime lubricant of the formula. It reduces friction at the point of contact between the separated capsules during production, reducing damage to your freshly made capsules. It will prevent your formula from sticking to the machine and it is unaffected by process variables (for example, flow, temperature, pressure and level) which occur spontaneously. Magnesium stearate ensures that these surprises don’t affect the encapsulating process. Just like microcrystalline cellulose, it has a high flow rate and is inert.

Silica Di Oxide - Silicon dioxide absorbs liquid with ease, turning liquid ingredients into free-flowing powders that can be implemented into your formula. It acts as a glidant, which will improve flow qualities but still promotes quick encapsulating. This ingredient will also reduce trace quantities of moisture which can damage your machines over time.

Di-calcium Phosphate - Often included in breakfast cereals, flour and noodle products. It used as an anti-caking agent as it can absorb small amounts of moisture. It prevents your powders forming any lumps of powder which could cause damage to your machinery and result in capsule inconsistencies.

These powders are all highly flowable and aside from Di-calcium phosphate, which shouldn’t be used with any acidic active ingredients, they are all inert. This makes your search for compatible ingredients much faster. Let us take care of the technicalities and leaving you to focus on refining the rest of your formula.


We stock Firmafill in the UK, US and Taiwan so that we can get it to anywhere in the world quickly and safely.

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