Here's a question we get more than you'd think: "Why is the serving size for your isolate 33g but the blend is 30g? And why does my bag look less full than last time?"
Both come down to the same thing. Powders are sold and measured by weight, but they don't all take up the same amount of space.
Why are serving sizes different between products?
Each product's serving size is set around what that serve delivers. A 33g serve of our Whey Protein Isolate gives you about 30g of protein. A 30g serve of our WPC + WPI Blend gives you about 24g. Creatine Monohydrate is a 5g serve because that's the typical daily dose.
So the numbers aren't meant to match. A serve of one product isn't supposed to be the same size as a serve of another. You can see the full panels on the WPI nutrition information and WPI/WPC nutrition information pages.
Why doesn't one scoop of everything weigh the same?
Every powder has its own density. Some are light and fluffy, some are fine and heavy, and the size of the particles changes how tightly they pack. A level scoop of one powder can weigh noticeably more or less than a level scoop of another, even though the scoop hasn't changed.
Even the same powder can vary a little. Powder scooped from the top of a freshly opened bag sits looser than powder from the bottom, and how hard you press the scoop in makes a difference too.
Why does my bag look less full than I expected?
Our products are filled by weight, not by volume. A 1kg bag holds 1kg of powder. During packing and freight, powder settles as the air between particles works its way out, so the same weight takes up less room by the time it reaches you. A bag that looks half full can still be exactly on weight.
If you ever think a bag is genuinely short, pop it on the kitchen scales (allowing for the bag itself) and let us know.
Why are you moving away from plastic scoops?
We're phasing plastic scoops out of our packaging to cut down on single-use plastic. You can read the background in our farewell to plastic scoops. Newly printed packs give directions in grams, plus teaspoons and tablespoons as a rough guide. Serving sizes haven't changed, only how you measure them.
Some products, like our unflavoured creatine, already come without a scoop. For that one, a flat teaspoon is roughly 3g, so a 5g serve is a bit under two flat teaspoons.
What's the most accurate way to measure a serve?
Use digital kitchen scales. It takes a few seconds and it's the only way to get exactly the same amount every time. If you'd rather use a spoon or an old scoop:
- Weigh it once. Fill your spoon or scoop the way you normally would, weigh it, and you'll know what it holds for that product.
- Level it off rather than heaping it, and don't pack it down.
- Re-check when you switch products, since a scoop of casein and a scoop of isolate won't weigh the same.
How do I compare value between products with different serving sizes?
Ignore the price per bag and work out the price per gram of protein. Divide the price by the number of serves, then divide by the grams of protein in each serve. It's the fairest way to compare our products with each other, and with other brands, because serving sizes vary so much across the market. Our guide to whey isolate vs concentrate explains the maths, and how much protein should I take? helps you work out how many serves you actually need.
The short version
Different products have different serving sizes on purpose, powders settle in transit, and scoops are only ever an estimate. Weigh it once and you'll never have to wonder. Every bag is filled by weight and our protein is independently lab tested.
FAQs
What is the serving size of Pure Product Australia WPI?
33g, which provides about 30g of protein.
Why does my protein bag look half empty?
Bags are filled by weight and powder settles during transport, so the same weight takes up less space.
Does Pure Product creatine come with a scoop?
Unflavoured creatine doesn't. A flat teaspoon is about 3g, and a typical serve is 5g.
Is a scoop of protein always the same weight?
No. It depends on the powder's density and how the scoop is filled. Scales are the most accurate option.