What sizes and colors are available for pharmaceutical hard gelatin empty capsules?

Pharmaceutical hard gelatin empty capsules come in various sizes and colors to meet the needs of different formulations and products. The selection of size and color is usually based on the following considerations:

Size:
The size of pharmaceutical hard gelatin empty capsules is usually represented by a combination of numbers and letters. Each size corresponds to a certain volume and length. The following are some common sizes of pharmaceutical hard gelatin empty capsules:
Large size: For example, size 00, size 0
Medium size: For example, size 1, size 2
Small size: For example, size 3, size 4

Color:
The color of pharmaceutical hard gelatin empty capsules can be customized according to the needs of manufacturers and customers to meet brand identification, product identification, and market demand. Some common colors of pharmaceutical hard gelatin empty capsules include:
Transparent or almost transparent: allows the color of the internal filling to be seen.
Monochrome or Bicolor: The two halves of the capsule are colored differently to facilitate product differentiation and identification.
White: commonly used for packaging products with white or light colored fillers.
Other colors: including but not limited to red, blue, green, yellow, etc.

When choosing size and color, the following factors need to be considered:
Filling amount: The size determines the volume of the capsule, thereby affecting the amount of filling material that can be accommodated.
Product identification: Good color design helps distinguish different products or formulations.
Market demand: Adapt to the preferences and requirements of the target market to ensure the attractiveness of the product.