How to Choose Empty Gelatin Capsules Sizes?

Gelatin capsules are a popular choice among supplement manufacturers and individuals due to their versatility, ease of use, and ability to mask the taste of certain ingredients. There are various sizes of capsules on the market, Wecaps will share with you how to choose the appropriate size of empty gelatin capsules according to specific requirements.

Understanding Empty Gelatin Capsules Sizes For Sale

Capsule sizes are typically categorized by numbers, with the most common being size 00, 0, 1, 2, 3, and 4. The size number corresponds to the width of the capsule, with size 00 being the largest and size 4 being one of the smallest. The length of the capsule affects overall capacity.

Empty Gelatin Capsules Sizes Options

Size 00

Size 00 capsules are the largest standard size and can hold up to 1.5 grams of powder. They are often used for high-dose supplements or when multiple ingredients need to be combined. The overall length is approximately 24 mm, and the width is around 9.5 mm.

Size 0

Size 0 capsules are the second largest and can hold up to 1.2 grams of powder. They are suitable for products that require a slightly smaller dosage than size 00 capsules. The overall length is approximately 22 mm, and the width is around 8.5 mm.

Size 1

Size 1 capsules are a common choice for many supplement manufacturers due to their balance of capacity and ease of swallowing. They can hold up to 0.9 grams of powder and have an overall length of approximately 20 mm and a width of around 7 mm.

Size 2

Size 2 capsules are a popular choice for products that require a moderate dosage. They can hold up to 0.65 grams of powder and have an overall length of approximately 18 mm and a width of around 5.5 mm.

Size 3

Size 3 capsules are considered small and are often used for children's supplements or when a lower dosage is required. They can hold up to 0.45 grams of powder and have an overall length of approximately 16 mm and a width of around 4 mm.

Size 4

Size 4 capsules are the second smallest and are used for specialized medicines. They can hold up to 0.24 grams of powder and have an overall length of 14.3 mm and a width of around 3 mm.

Key Considerations for Empty Gelatin Capsules Sizes Selection

1. Dosage Requirements:

The primary factor in choosing a capsule size is the amount of powder that needs to be encapsulated. Capsules vary in size, choose a size that will hold the dose you need without overfilling or leaving too much empty space.

2. Ease of Swallowing:

The size of the capsule can impact how easily it can be swallowed. Smaller capsules (like size 4) are generally easier to swallow, making them suitable for those who have difficulty with larger capsules.

3.Moisture and Oxygen Barrier:

Some capsules have additional coatings or features to protect sensitive ingredients from moisture and oxygen.

4.Color and Print:

Capsules can be customized with different colors and printed with labels or logos for branding purposes.

5.Ingredient Compatibility:

Some ingredients may not flow well or may require a specific environment to maintain stability. The capsule size can influence how these ingredients behave within the capsule.

6. Machine Compatibility:

If you plan to use an encapsulation machine, ensure that the capsule size you choose is compatible with your equipment.

Choosing the correct capsule size is a critical step in the process of manufacturing a supplement or drug. By carefully considering your dosage requirements, target audience, production capabilities, etc., you can make informed decisions that ensure the effectiveness and appeal of your final product. Wecaps provides customization services for high-quality empty capsules of various sizes. Welcome to contact us!

Frequently Asked Questions

1. Are there any differences in the wall thickness of gelatin capsules across different sizes?

Yes, the wall thickness can vary between capsule sizes. Generally, smaller capsules have thinner walls, while larger capsules have thicker walls. This is to ensure that the capsules maintain their structural integrity and can be easily swallowed.

2. Are gelatin capsules of different sizes suitable for different routes of administration?

Yes, the size of the capsule can influence its suitability for different routes of administration. For instance, smaller capsules (size 1 and below) are often used for oral administration, while larger sizes may be used for specific applications or when a higher dosage is required.

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