- Isolate is filtered further than concentrate, so it has more protein and less carb, fat and lactose.
- A serve gives 28g protein with DigeZyme enzymes for easy digestion.
- It digests fast, which makes it ideal around training.
- A good pick if you want a lean, low-lactose shake.
Not all whey protein is created equal. Walk down the protein aisle and you will see whey isolate, whey concentrate and different whey blends, often without much explanation of what separates them.
Whey protein concentrate is less filtered and generally contains more carbohydrates, fat and lactose. Whey protein isolate goes through additional filtration, resulting in a leaner protein with less fat, carbohydrates and lactose. Many protein powders on the market use a combination of the two.
Our WHEY Protein is made with whey protein isolate rather than concentrate or a whey blend. Here is what that means, what is inside it and when it might be the right choice for you.
What whey protein isolate is
Muscle Nation whey is a 100% Whey Protein Isolate, or WPI. It’s been ultra-filtered, which is the key word.
Whey starts as a by-product of cheesemaking, then gets filtered to concentrate the protein. Isolate goes through extra filtering on top of that. The result is a powder that’s higher in protein per serve and lower in the stuff you don’t want much of, like carbs, fat and lactose. It’s fast digesting and sits light, so it doesn’t weigh you down.
What’s in a serve
A serve of our whey is built to be lean and easy on the stomach:
- 28g protein to support muscle growth and recovery
- Low carb and low fat
- 6g BCAAs and 4g glutamine (naturally occurring)
- Under 1% lactose, so it sits light
- Added DigeZyme digestive enzymes to aid digestion and absorption, with less bloat
- Gluten free and non-GMO
It contains milk and soy, so keep that in mind if you’ve got an allergy.
Isolate vs Concentrate: the actual difference
This is the bit people get stuck on, and it’s genuinely straightforward.
Concentrate is whey that’s been filtered to a point. Isolate is filtered further. That extra step strips out more of the carbs, fat and lactose, which leaves isolate higher in protein per serve and lighter overall. Concentrate isn’t bad, it just carries a bit more of everything else along with the protein. If you want a leaner shake or you find other proteins sit heavy, isolate tends to be the kinder option.
Worth saying plainly: our WHEY Protein is made with 100% whey protein isolate, not a whey concentrate or concentrate heavy blend. Across the rest of our range, we use different protein sources and blends depending on the texture, nutrition profile and experience we want to create. Our Daily Shake combines whey and milk proteins, while our Custard Protein is casein protein based.
Why the DigeZyme enzymes matter
Plenty of people find regular protein leaves them bloated. The enzymes are there to help with exactly that.
DigeZyme is a blend of digestive enzymes added to the powder to aid digestion and absorption. In plain terms, it helps your body break the protein down so you get more out of it with less of that heavy, bloated feeling afterwards. Paired with the under-1% lactose, it’s a big reason this whey sits so light.
When to use whey isolate
The fast digestion is what makes isolate so handy around training.
Straight after a workout is the obvious window. Your muscles are primed to use the protein, and a fast, light shake delivers it without much else along for the ride. Beyond that, it works any time you need a high-protein top-up through the day, whether your meals fell short or you just want an easy way to hit your target. Mix it with water for the lightest option, or milk if you want it richer.
If you want the slow, filling counterpart for night-time or between meals, that’s Custard Protein, our casein. A lot of people keep both: whey for around training, custard for later.
PROTEIN WATER
25 Servings - Apple & Guava
WHEY Protein Isolate
Sample Pack
WHEY Protein Isolate
30 Servings - Cookies & Cream
WHEY Protein Isolate
30 Servings - Choc Malt
WHEY Protein Isolate
30 Servings - Choc Mint
Frequently asked questions
What is whey protein isolate? It’s whey that’s been ultra-filtered so it’s higher in protein and lower in carbs, fat and lactose than concentrate. It digests fast and sits light.
Is isolate better than concentrate? It depends what you’re after. Isolate is leaner and lower in lactose, which suits a lighter shake or a sensitive stomach. Muscle Nation makes isolate only.
When should I take whey isolate? Post-workout is the classic window, since it digests fast. It also works as a high-protein top-up any time through the day.
Does whey isolate contain lactose? Very little. Ours is under 1% lactose and includes DigeZyme enzymes to aid digestion, though it does contain milk and soy.
Can I mix it with water or milk? Both work. Water keeps it light, milk makes it richer. Take your pick.
Pick your whey
Whey protein isolate is the fast, lean, easy-drinking option. High protein, low lactose, and DigeZyme enzymes to keep it sitting light. If you want something to reach for around training or to top up your protein through the day, this is it.
Shop whey protein → · or compare the full range in All Proteins
This is general information, not personal health or dietary advice. Our whey isolate contains milk and soy. If you have specific dietary needs or a health condition, speak with a qualified health professional.
