About Us

Premium Empty Capsule Supplier for Businesses Across the UK & Europe

At Capsi Capsule Sizes, we specialise in supplying high-quality empty capsules for supplement brands, manufacturers, retailers, laboratories and capsule filling operations across the UK and Europe.

We provide reliable access to both gelatin and HPMC vegetarian capsules in a wide range of sizes, colours and quantities — from small retail packs to wholesale pallet-scale supply.

Our goal is simple: to make sourcing premium empty capsules straightforward, reliable and cost-effective for businesses of all sizes.

Our Capsule Range

We supply:

  • Gelatin Capsules
  • HPMC Vegetarian Capsules
  • Sizes 000–4
  • Clear & coloured capsule options
  • Bulk wholesale quantities
  • Retail quantities for smaller operations
  • Capsule filling accessories and equipment

Our capsules are suitable for a wide range of supplement, nutraceutical and encapsulation applications.

Supporting Supplement Brands & Manufacturers

Capsi works with:

  • Supplement brands
  • Nutraceutical manufacturers
  • Health product businesses
  • Capsule filling operations
  • Start-up supplement companies
  • Online retailers
  • Research & laboratory environments

Whether you require small quantities for testing or large-scale wholesale supply, we aim to provide dependable capsule sourcing with fast dispatch and responsive support.

UK & EU Supply

We support customers across the United Kingdom and Europe with reliable capsule supply solutions and growing multilingual support resources.

Our focus is on:

  • Consistent product quality
  • Fast dispatch
  • Wholesale capability
  • Clear product information
  • Long-term business relationships

Educational Resources & Capsule Guides

Alongside supplying capsules, we are building one of the web’s largest educational resources for capsule sizing, capsule capacity and supplement encapsulation guidance.

Our website includes tools and guides such as:

  • Capsule Size Calculator
  • Capsule Size Charts
  • Gelatin vs HPMC Comparisons
  • How to Fill Capsules Guides
  • Ingredient Capsule Size Guides
  • Capsule Capacity Information

These resources are designed to help businesses and individuals choose the right capsule solutions with confidence.

Why Choose Capsi?

  • Premium quality capsule products
  • Gelatin & HPMC options available
  • Sizes 000–4
  • UK & EU supply capability
  • Wholesale quantities available
  • Reliable customer support
  • Educational tools and resources
  • Modern capsule sourcing solutions

Contact Us

If you are looking for a trusted empty capsule supplier or would like help selecting the right capsule products for your requirements, our team is here to help.

Capsi Capsule Sizes

United Kingdom & EU Supply

Email: info@capsulesizes.com

Mon–Fri: 9:00–17:00 (UK Time)