Empty Capsules

Capsule sizes explained

Empty capsules come in standard sizes, and the numbering is a little counterintuitive: the bigger the number, the smaller the capsule. The common range runs 000 (largest) down through 00, 0, 1, 2, to 3 (small). For most homemade supplements, size 00 and size 0 are the go-to — 00 holds roughly 700–1000 mg of powder depending on the ingredient, while 0 holds a bit less. Smaller sizes suit lower doses or those who find big capsules hard to swallow.

Gelatin vs. vegetarian capsules

There are two main shell types. Gelatin capsules are the traditional kind — animal-derived, smooth, and inexpensive. Vegetarian capsules (often labelled VCaps) are made from plant cellulose (HPMC), so they suit vegans, vegetarians, and anyone avoiding animal products. Both work the same way and hold the same fillings; the choice comes down to dietary preference.

Capsule filling machines

If you're filling more than a handful of capsules, a capsule-filling machine (like the Cap.M.Quik) makes it far quicker — it holds many capsule halves upright at once so you can fill and close a whole batch in one go. Filling machines are sized to specific capsules (for example a "0&1" machine or a "00" machine), so match the machine to the capsule size you plan to use.

How to fill capsules

The basic process: pull the two halves apart, pack powder into the longer half (a filling machine speeds this up for batches), then slide the shorter cap back on until it clicks. Make your own blend, encapsulate a hard-to-find ingredient, or simply turn a powder you dislike the taste of into an easy-to-swallow capsule.

Empty capsules in Canada

Empty capsules and capsule-filling supplies ship from our Ontario warehouse to addresses across Canada. Note that these are empty shells and equipment — the filling ingredients aren't included.

A note

Only fill capsules with ingredients you understand and can dose correctly — measure carefully, and follow reputable guidance for whatever you're encapsulating.