10 Best Casein Proteins UK 2024 | Myprotein, Optimum Nutrition and More

The Optimum Nutrition protein powder is a superb product and so wins our gold medal! Not only does it contain micellar casein for muscle growth, but it's also fortified with zinc and magnesium to further the benefits. The content is low-fat and includes no added sugar - so you won't have any unwanted weight gain - it'll just increase lean mass.

Lots of people who've brought this product love the vanilla and chocolate flavours. Plus, there are 55 servings in each container, so it is sure to last a while before you need to restock.

Powder with combined ingredients is the best because you get multiple benefits for the same price. This protein powder has both casein and 50 milligrams of 5-HTP, which contains serotonin that's thought to increase fat loss and aid sleep. Not to mention, it comes in an irresistible chocolate brownie flavour!

This product also has very low sucrose levels (a sweetener), making it better for the digestive system and gives the powder a more natural taste. You could even add it to your hot chocolate before bed!

If you're looking to gain weight and mass quickly, this is the product you need. There's a recommended 327-gram serving, which will give you 1248 extra calories. The formula also contains whey protein concentrate, which has more carbohydrates and fat than any other type.

The powder includes five different vitamins and minerals, which aid muscle growth and combat fatigue so you can work out harder for longer. Many professional men's physique competitors swear by it!

Are you looking to lose fat whilst maintaining lean muscle? Then this mix is perfect as it contains a particularly low fat and carbohydrate content. It also includes much higher amounts of protein than many other products, which helps to speed up your metabolism.

Unfortunately, a few people aren't too keen on the taste of these shakes, but flavours and tastes are all down to personal opinion. This protein powder also comes in a variety of sizes, so you can easily pick out the best option for you!

Here we have a formula that contains both whey and casein, providing you with the effects of both fast and slow-realise protein. It's not too fattening either, as the whey has been isolated to reduce calories and lactose. It's even suitable for athletics and military personal who are drug tested, and it's been credited by the informed sports programme.

The powder doesn't need to be consumed at a specific time, so this is an ideal option for those who lead busy lives or train at unusual hours. Furthermore, the micellar protein in the mix is high-quality and ultra-filtered.

Most casein proteins come in chocolate, vanilla or strawberry, but with this one, you also have the choice of delicious banana! The formula is also gluten-free, so it's suitable for anyone with an allergy or coeliac disease. If that didn't sell you, it even has an added digestive enzyme blend, which helps your body absorb the casein.

It contains a high level of protein, and the formula has been quality tested, so it's almost certain you'll get good results. The powder has even been assessed to ensure it contains no banned substances that could stop athletes from competing.

This protein powder is low in fat, sugar and carbohydrates but high in protein which could greatly help weight loss. It comes in various sizes, from 500 g to 2 kg, so you should easily be able to find a deal that suits you routine. 

If you decide to turn it into a drink, they'll be no waiting around as it mixes instantly, however, you could also add it to your home-baking! Sadly, some people who've purchased this have had trouble achieving a smooth consistency.

The PBN casein powder has been specially formulated for athletes looking to increase muscle mass. All you have to do is add 30 grams of the mix to 250 millilitres of water, and it'll be ready to drink! It comes in chocolate, vanilla and strawberry flavours, so there's something to suit everyone's tastes.

Some buyers have found this mix to be a little too sweet as it contains a lot of sweeteners. Despite this, it's a great powder that

contains slow-release micellar that will greatly help with muscle recovery.

Next up, we have some casein hydrolysate that can work alongside the Bulk night-time shake. Use this blend during or after a workout for a fast release and the slow-acting micellar shake before bed. 

The formula comes in mixed berry, topical and unflavoured varieties, making this a great alternative for those who don't like the more common chocolate or vanilla flavours. It has a smaller serving recommendation than some other protein powders, so you might want to take two helpings to get optimal results. 

The MyProtein powder is an excellent choice if you're on a bit of a budget as it contains 1 kg for a fairly reasonable price. Use this product in the evening before bed as it contains slow-realise micellar casein, which aids muscle recovery. Plus, it's free from soy, so it's suitable for people who have an allergy.

This mix may not be everyone's cup of tea, as some people find the flavour unpleasant. However, it does contain a high protein content, so it's highly likely to produce the effects you're after.