10 Best Bulk Bedtime Protein Shake Micellar Casein Protein Powder in The UK
Last updated on 07/09/2025
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Protein Works 100% Micellar Casein Protein Powder | Slow Release Protein Shake | Amino Acids | High Protein | Chocolate Silk | 2 Kg
Protein Works
Protein Works
Protein Works 100% Micellar Casein Protein Powder | Slow Release Protein Shake | Amino Acids | High Protein | Chocolate Silk | 2 Kg
Why We Love It
- Provides sustained muscle nourishment.
- Aids muscle growth.
- Available in delicious flavours.
Main Highlights
- Slow release protein shake - providing a sustained release of amino acids to the muscles during sleep
- 24 g of premium protein per serving
- Only 0.4 g of fat and 0.6 g of sugar per serving
- Incredibly versatile - can be added to home baking, smoothies, shakes or oats!
- Aids muscle growth and recovery
- Available in a selection of delicious flavours
- Packaging may vary for a limited period of time.
Value for Money
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Bulk Micellar Casein Protein Powder, Protein Shake, Unflavoured, 2.5 kg, Packaging May Vary
Bulk
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Bulk
Bulk Micellar Casein Protein Powder, Protein Shake, Unflavoured, 2.5 kg, Packaging May Vary
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Why We Love It
- High protein content boosts performance.
- Slow-digesting for overnight recovery.
- Variety of flavors to enjoy.
Main Highlights
- High-quality micellar casein coming in potent powder form
- Powered by 23 g protien per serving
- Provides slow-release protein for sustained muscle support
- Perfect for anyone looking to boost their protein intake, especially overnight
- Available in Unflavoured, it's ideal for mixing with your usual shake
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Optimum Nutrition Gold Standard 100% Casein Slow Digesting Protein Powder with Zinc and Magnesium, Support Muscle Growth & Repair Overnight, Chocolate Supreme, 55 Servings, 1.82 kg
Optimum Nutrition
23% OffFree Shipping
Optimum Nutrition
Optimum Nutrition Gold Standard 100% Casein Slow Digesting Protein Powder with Zinc and Magnesium, Support Muscle Growth & Repair Overnight, Chocolate Supreme, 55 Servings, 1.82 kg
23% OffFree Shipping
Why We Love It
- Supports muscle growth and repair.
- Fortified with essential minerals.
- Low sugar, high protein.
Main Highlights
- SLOW-DIGESTING PROTEIN powder FORTIFIED with zinc which contributes to a healthy immune system and magnesium to support normal protein synthesis
- The ready-to-mix powder provides a source of slow digesting protein to support muscle growth and repair*
- Each serving contains 24 g of premium micellar casein protein that provides your body with a slow and steady FLOW OF AMINO ACIDS OVERNIGHT
- This protein powder contains 10 g of naturally occurring essential amino acids with low sugar in each serving
- A PROTEIN source for athletes & fitness enthusiasts; to enjoy, add 1 heaped scoop to 300 ml of cold water and stir, shake or blend until dissolved
- *Protein contributes to the growth and maintenance of muscle mass. To be used in the framework of a varied and balanced diet and healthy lifestyle. Source: Official Journal of the European Union - COMMISSION REGULATION (EU) No 432/2012
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Myprotein Micellar Casein Milk Protein Supplement, 2.5 kg, Strawberry
Myprotein
Myprotein
Myprotein Micellar Casein Milk Protein Supplement, 2.5 kg, Strawberry
Why We Love It
- Supports muscle growth effectively.
- Ideal for consumption anytime.
- Ensures prolonged protein release.
Main Highlights
- Features a complete amino acid profile
- Makes the perfect night-time protein shake
- Slow-release protein
- MyProtein Protein slow-release casein support muscle growth and maintenance
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Reflex Nutrition Micellar Casein Slow Release Protein Powder 24g Protein 3.6g Carbs 0.5g of Fat 80% Micellar casein (Vanilla) (1.8kg)
Reflex
Reflex
Reflex Nutrition Micellar Casein Slow Release Protein Powder 24g Protein 3.6g Carbs 0.5g of Fat 80% Micellar casein (Vanilla) (1.8kg)
Why We Love It
- Promotes muscle growth and maintenance.
- Ensures premium quality and digestibility.
- Suitable for vegetarians, hormone-free.
Main Highlights
- Micellar Casein protein powder is a slow-release protein shake, it slowly releases amino acids into the bloodstream helping to contribute to growth and maintenance of muscle mass
- Micellar Casein Protein Powder contains 24g of Protein, 3.6g of Carbs and only 0.5g of Fat. 80 percent Micellar casein, 20 percent native whey plus friendly bacteria and digestive enzymes
- Micellar Casein Protein Powder can take up to 6 hours to completely digest and be utilised, making it perfect to use just before bed to aid muscle recovery
- Reflex Nutrition only uses whey protein derived from grass-fed cows ensuring premium qualit. milk from grass-fed cows is richer in omega-3 fatty acids and has up to five times as much CLA
- Manufactured on an informed sport registered facility, suitable for vegetarians and made on a Halal certified site. Hormone free, no added sugars, artificial colours or soy protein
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Legion Casein+ Chocolate Pure Micellar Casein Protein Powder- Non-GMO Grass Fed Cow Milk, Natural Flavors & Stevia, Low Carb, Keto Friendly - Best Pre Sleep (PM) Slow Release Muscle Recovery Drink 2lb
Legion
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Legion
Legion Casein+ Chocolate Pure Micellar Casein Protein Powder- Non-GMO Grass Fed Cow Milk, Natural Flavors & Stevia, Low Carb, Keto Friendly - Best Pre Sleep (PM) Slow Release Muscle Recovery Drink 2lb
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Why We Love It
- Slow-digesting for overnight nutrition.
- High-quality Irish dairy source.
- Clean, natural, no artificial additives.
Main Highlights
- ✓ THE PERFECT NIGHT TIME PROTEIN. ✓ CASEIN+ is a slow-digesting protein that provides your body with a steady supply of vital amino acids for up to eight hours, making it an excellent alternative to fast-digesting whey isolate. Ideal for both men and women who want to feel full before bed!
- ✓ MADE WITH MILK FROM SMALL IRISH DAIRY FARMS. ✓ CASEIN+ is made from exceptionally high-quality milk from small dairy farms in Ireland, which produce some of the healthiest, cleanest dairy in the world. This means you get to enjoy clean, high-protein, healthy-for-you shakes that are a cut above the rest!
- ✓ PURE AND CLEAN WITH NO ARTIFICIAL JUNK. ✓ CASEIN+ is 100% naturally sweetened and flavored and contains no GMOs, hormones, antibiotics, artificial food dyes, fillers, or other unnecessary junk. This means peace of mind knowing that you’re not gulping down a bunch of potentially harmful chemicals every day!
- ✓ 100% SATISFACTION GUARANTEED. ✓ You must be completely satisfied with your order. If you’re not for any reason, contact us right away and if we can’t resolve the issue, you can keep it. We’ll give you a full refund on the spot—no complicated forms and no return necessary. You won’t find this guarantee anywhere else, and that’s how confident we are you’re going to love CASEIN+!
- ✓ THE MAN BEHIND THE BRAND. ✓ Mike Matthews is an international bestselling fitness author with over a million books sold, and the founder of Legion Athletics. In his own words, “I founded Legion to bring something new and unique to the supplement world, because let’s face it, the last thing we need is yet another line of flashy, hyped-up, bogus pills and powders.”
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Myprotein Micellar Casein Milk Protein Supplement, 1 kg, Strawberry
Myprotein
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Myprotein
Myprotein Micellar Casein Milk Protein Supplement, 1 kg, Strawberry
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Why We Love It
- Ideal for bedtime recovery.
- High in protein content.
- Delicious strawberry flavor.
Main Highlights
- slowly digested ideal for bedtime recovery
- 26g protein per serving
- contributes to growth & maintenance of muscle mass
- Flavor name: Strawberry
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Applied Nutrition Casein Protein Powder - Micellar Casein Supplement, Slow Release Protein (900g - 30 Servings) (Strawberry Cream)
Applied Nutrition
7% OffFree Shipping
Applied Nutrition
Applied Nutrition Casein Protein Powder - Micellar Casein Supplement, Slow Release Protein (900g - 30 Servings) (Strawberry Cream)
7% OffFree Shipping
Why We Love It
- Great for muscle recovery.
- Three delicious flavour options.
- Tested for athletic safety.
Main Highlights
- IDEAL FOR PRE-BEDTIME: Casein protein powder is perfect to use just before you go to bed. It has time-release protein that can be released into the body for up to 7 hours. This helps refuel your muscles while you sleep.
- 3 DELICIOUS FLAVOURS: You can order Casein in 3 different flavours - Chocolate, Strawberry or Vanilla. Pick your favourite or order a couple of options to add variety to your training routine. Micellar Casein is a tasty as it is effective.
- HELPS MAINTAIN AND GROW MUSCLES: Micellar Casein protein powder helps to maintain muscle without having to eat before bed. It provides muscle tissue with vital Branched Chain Amino Acids that aid repair and growth in tandem with your exercise routine.
- EASY TO PREPARE: Casein nutrition protein could not be easier to get ready. Simply add 2 scoops to water or milk, shake vigorously until it has mixed and it is ready to consume. Minimum effort for maximum results.
- TESTED FOR ATHLETES: Applied Nutrition aim to be one of the most trusted sports nutrition brands. This is why Casein bedtime protein undergoes extensive testing to ensure it is safe for professional athletes to use as part of their training programme.
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PBN - Premium Body Nutrition Micellar Casein. 2 kg — Chocolate
Premium Body Nutrition
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Premium Body Nutrition
PBN - Premium Body Nutrition Micellar Casein. 2 kg — Chocolate
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Why We Love It
- Delicious chocolate flavor indulgence.
- Helps muscle recovery significantly.
- Generous two kg packaging.
Main Highlights
- CHOCOLATE - Micellar casein 2 kg. Jar with a delicious Chocolate flavour
- Ideal Product
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PINK SUN Organic Casein Protein Powder 800g Pure Native Micellar Grass Fed Soy Free Gluten Free Unflavoured Vegetarian No Added Sugar Unsweetened Undenatured Certified Bio UK
PINK SUN
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PINK SUN
PINK SUN Organic Casein Protein Powder 800g Pure Native Micellar Grass Fed Soy Free Gluten Free Unflavoured Vegetarian No Added Sugar Unsweetened Undenatured Certified Bio UK
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Why We Love It
- Organic for healthier living.
- Promotes prolonged protein absorption.
- Versatile in culinary use.
Main Highlights
- Certified organic native micellar casein protein powder unflavoured 800g - PLEASE NOTE (from 10/2024): THIS PRODUCT HAS A COARSER STRUCTURE AND IS MORE HYDROPHOBIC IN NATURE TO PREVIOUS AND WILL TAKE MORE EFFORT TO MIX. PLEASE SEE SUGGESTIONS FOR USE IN DIRECTIONS BELOW
- From grass-fed hormone-free organic cows' milk with 79-80% protein
- Unflavoured natural taste - no additives, no added sugar or artificial sweeteners
- Gluten free, soy free, suitable for vegetarian and wholefood diets
- Slow releasing source of protein. Casein protein powder has a grainy texture and is thicker and more volume producing compared to whey protein powder - good for high protein baking