Table of Contents
- What is Cellulose Microcrystalline?
- Uses in Clinical Trials
- Administration and Dosage
- Potential Benefits
- Safety and Side Effects
- Other Considerations
What is Cellulose Microcrystalline?
Cellulose microcrystalline is a purified form of cellulose, which is a natural substance found in plant cell walls. It is commonly used as an inactive ingredient or excipient in pharmaceutical products[1]. Cellulose microcrystalline is also known by its abbreviation MCC.
Uses in Clinical Trials
Based on the clinical trial information provided, cellulose microcrystalline is being used in several studies as a placebo or inactive ingredient. It is not the primary drug being tested, but rather serves as a control substance. Some key uses observed in the trials include:
- As a placebo in a study on treating generalized periodontitis (advanced gum disease)[1]
- As an inactive ingredient in a trial studying the effects of stress on ethical decision-making[2]
- As a placebo in research on treating severe influenza[3]
- As part of a placebo formulation in a study on spinal cord injury and spasticity[4]
- As a placebo in research on non-alcoholic fatty liver disease (NAFLD)[5]
Administration and Dosage
Cellulose microcrystalline is typically administered orally. The dosage can vary depending on its use in different studies:
- In some trials, it was used in doses up to 1000 mg per day[1]
- In other studies, the dosage ranged from 30 mg to 360 mg per day[2][3]
- The duration of use in these trials ranged from a single day to several weeks or months
It’s important to note that these dosages are specific to research studies and may not reflect typical use in commercial products.
Potential Benefits
As cellulose microcrystalline is primarily used as an inactive ingredient or placebo in these studies, it does not have direct therapeutic benefits. Its main purpose is to serve as a control substance to compare against active treatments. However, in pharmaceutical products, it can have several benefits:
- It helps in the formation and stability of tablet formulations
- It can improve the flow properties of powders in manufacturing
- It may help in controlling the release of active ingredients in some formulations
Safety and Side Effects
Cellulose microcrystalline is generally considered safe for most people when used as directed. It is classified as “Generally Recognized as Safe” (GRAS) by the U.S. Food and Drug Administration[6]. However, as with any substance, some individuals may experience side effects:
- Digestive discomfort in some people
- Potential for allergic reactions in rare cases
If you experience any unusual symptoms while taking a product containing cellulose microcrystalline, consult your healthcare provider.
Other Considerations
While cellulose microcrystalline is widely used in pharmaceutical and food products, there are a few things to keep in mind:
- It is often used as a filler or bulking agent in supplements and medications
- People with specific dietary restrictions (e.g., those following a vegan diet) may prefer products using cellulose microcrystalline over animal-derived excipients
- If you have any concerns about cellulose microcrystalline in your medications or supplements, discuss them with your healthcare provider or pharmacist
Remember, cellulose microcrystalline is an inactive ingredient and does not replace active medical treatments. Always follow your healthcare provider’s advice regarding medications and treatments.






