What Is Custard Protein? The Slow, Creamy One Explained

Most protein shakes are something you get through, not something you look forward to. Custard protein flips that. It’s thick and creamy, closer to an actual dessert than the watery shake you knock back at the gym.

So what is custard protein, really? It’s Muscle Nation’s casein-based protein, and the texture is the whole point. Here’s what’s in it, how it differs from whey, and when it earns a spot in your day.

What custard protein actually is

Custard is a casein protein. Casein is one of the two main proteins in milk, and the thing that sets it apart is how slowly it digests.

That slow digestion is why custard keeps you fuller for longer. Instead of hitting your system fast and clearing out, it feeds your muscles over a longer stretch. The texture matches the name too. Mixed up properly it sets into a thick, spoonable custard rather than a thin drink, which is a big part of why people stick with it.

What’s in a serve

A serve of custard protein gives you a solid hit of protein and a few extras that earn their place:

• 24g protein to support muscle growth and recovery
• 4.5g BCAAs and 4.6g glutamine (naturally occurring)
• 3g fibre
• 1.6g MCT oil powder
• Gluten free and non-GMO

It contains milk, since casein is a dairy protein. That’s worth knowing if you’ve got a dairy allergy.

Why slow digestion is the whole point

Whey digests fast, which makes it great around training. Casein does the opposite, and that’s a feature, not a flaw.

Because casein protein breaks down slowly, it holds you over between meals and through the night. That makes it a sensible choice when there’s a long gap before your next feed, or when you want something filling that won’t leave you raiding the pantry an hour later. It supports muscle growth and recovery the same way other protein does. It just does the job on a slower clock.

When to use custard protein

There are three moments where custard casein protein really shines.

Before bed is the classic one. A slow-digesting protein through the night suits the long stretch without food. Between meals is the second, when you want something that actually keeps you full rather than a quick shake that’s gone in twenty minutes. The third is as a dessert or sweet-craving swap. When you fancy something sweet and would rather not blow the day’s nutrition on it, a bowl of custard protein scratches the itch and gets you a proper hit of protein at the same time.

How to make it

Custard is flexible, so make it the way you like it.

Mix it with water or milk depending on how rich you want it. Less liquid gives you a thicker, spoon-it-out custard, while more loosens it toward a drink. From there you can top it with fruit, fold through your favourite mix-ins, or eat it plain. A lot of people treat it as their nightly dessert and build it into a routine they actually look forward to.

The flavours (and the bars)

This is where custard protein has fun. The flavour list reads more like a dessert menu than a supplement label.

You’ll find Vanilla, Choc Honeycomb, Golden Ice Cream, Choc Mint, Banoffee Pie, Cookies & Cream, Choc Banana, Boysenberry Cheesecake, Strawberry and Salted Caramel. If you’d rather grab something on the go, there are also Custard Protein Bars that bring the same idea in a handheld form.

Have a browse through Custard Protein and pick a flavour that sounds like something you’d order for dessert.

Frequently asked questions

What is custard protein? It’s a casein-based protein with a thick, creamy, custard-like texture. It digests slowly, so it keeps you full for longer, which makes it good before bed or between meals.

Is custard protein the same as whey? No. Whey digests fast and suits around training, while custard is casein and digests slowly. If you want the fast option, look at Whey Protein.

When should I take custard protein? Before bed, between meals, or as a dessert swap when a sweet craving hits. Anytime you want something filling rather than a quick shake.

Does custard protein contain dairy? Yes. Casein is a milk protein, so custard contains milk. Keep that in mind if you have a dairy allergy.

How do I mix custard protein? With water or milk. Use less liquid for a thick, spoonable custard or more for a drink, then add fruit or mix-ins if you like.

Give it a go

Custard protein is the rare shake that doubles as dessert. Thick, creamy, slow to digest, and easy to look forward to at the end of the day. Pick a flavour, mix it up the way you like, and let it cover your night-time or between-meal protein.

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