10 Best Protein Powder For Kids Age 5 10 in The UK

Last updated on 15/08/2025

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Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Delicious Strawberry Flavour, 30 Servings, 900 g

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Why We Love It

Effortless mix-ability guarantees zero clumps.
Verifies as a safe supplement.
Most reviewed for consistent quality.

Main Highlights

INSTANTISED to improve mix-ability to prevent lumps and clumps
Banned Substance Tested in accordance with the Informed Choice certification
Frequently purchased with ON Creatine, ESSENTIAL AMIN.O. ENERGY, and OPTI-MEN
, most reviewed whey protein powder by world’s #1 selling sports protein powder brand Optimum Nutrition. (Source: 2019 sales data, Consumer reviews- Amazon, GNC, Vitamin Shoppe, AminoZ, Tmall – April 2020, and Euromonitor International Limited; Consumer Health 2021 edition, Sports Protein Powder category, % retail value shares, 2020 data.)

Vegan Protein Powder (1kg) - 28 Servings - EarthChamp by Wyldsson - Plant Based Chocolate Protein Powder Shake, Dairy Free, Gluten Free, Lactose Free Protien Shake (Choc)

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Why We Love It

Natural taste pleases all.
Packed with nutritious ingredients.
True vegan nutritional supplement.

Main Highlights

NATURAL TASTE - Not too sweet, not artificial and so balanced even Goldie Locks would find it "just right". That's because we take our time to blend our vegan protein powder with botanical ingredients for a natural taste you'll love.
NUTRIENT DENSE - Our vegan protein shake boasts 20g of plant-based protein per serving with Fruits & Botanicals like Baobab, Flax, Turmeric & Cinnamon.
OPTIMAL PROFILE - 20g Vegan Protein, 5g Fibre, 128 Cals per serving
NO NASTIES? - Nothing that your mother warned you about.... No Sucralose, No Added Sugar, No Added Salt, Dairy Free, Gluten Free, Lactose Free, No Soya, No Gums, No Carageenan. And it's made in Ireland!
VEGAN NUTRITION - 100% RDA of Vitamins D, B6, B12. High in Iron, Magnesium, Zinc & Potassium.

PaediaSure Shake – Vanilla Flavour – 850g – Balanced Nutritional Supplement Drink – Multivitamin for Kids – With Protein, Carbohydrates & Minerals – Supports Growth & Development – Vegetarian

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Why We Love It

3x more nutrients than others.
Ideal for picky eaters.
Convenient ready-to-drink option.

Main Highlights

Ideal for PICKY EATERS or active kids.
For healthy GROWTH & DEVELOPMENT* – Suitable for kids aged 1-10 years.
Be Sure** of your child’s IMMUNE SYSTEM.
Kids love the taste and you’ll love the PEACE OF MIND.
95% of parents RECOMMEND PaediaSure Shake#.
PaediaSure Shake is the #1 selling Children’s NUTRITIONAL Supplement Drink in the world♢.
3x more vitamins & minerals than the leading kids' MULTIVITAMIN§.
6 in 1 SUPPLEMENT♦.

Naughty Boy Advanced Whey Protein Powder, Optimum Taste and Mixability for Both Male and Female, High Protein Low, Sugar, Low Carb,Muscle Building Powder (Blueberry Cobbler, 900 g)

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Why We Love It

Boosts muscle growth efficiently.
Helps control appetite effectively.
Fast nutrient delivery post-workout.

Main Highlights

Muscle Building And Repair: Whey protein is rich in essential amino acids, particularly leucine, which plays a crucial role in stimulating muscle protein synthesis. This process is essential for the growth, repair, and maintenance of muscle tissues. Consuming whey protein after a workout helps provide the necessary building blocks for muscle recovery.
Weight Management: Appetite Control: High-protein diets, including whey protein supplementation, have been associated with increased feelings of fullness and reduced appetite. This can be beneficial for those looking to manage their weight, as it may help control calorie intake and support fat loss while preserving lean muscle mass.
Fast Absorption and Digestibility: Quick Nutrient Delivery: Whey protein is a fast-digesting protein source, meaning it is rapidly absorbed by the body. This makes it an ideal choice for post-workout nutrition when there is a need to quickly deliver nutrients to the muscles for recovery. The speedy absorption of whey protein also makes it a convenient option for a protein source throughout the day.
Improved Immune Function: Whey protein contains immunoglobulins and antioxidants, which can contribute to a stronger immune system. Immunoglobulins help defend the body against harmful microorganisms, while antioxidants combat oxidative stress. Regular intake of whey protein may thus contribute to overall health and well-being.
Rich in BCAAs Whey protein is naturally high in branched-chain amino acids (BCAAs), including leucine, isoleucine, and valine. These amino acids are crucial for muscle protein synthesis, energy production, and reducing muscle soreness. BCAAs, particularly leucine, play a key role in initiating the process of muscle protein synthesis, making whey protein an excellent choice for individuals seeking to optimize muscle growth and recovery.

PhD Nutrition Diet Whey Lean Protein Powder | Banana Whey Protein Powder | 1kg Bag [ Packaging May Vary ]

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Why We Love It

Promotes fitness and lean muscle.
High-quality, macro-friendly protein content.
Eco-friendly, versatile consumption options.

Main Highlights

only 91 kcal
Contains CLA, L-carnitine and green tea
Contains a full 17g of protein in each serving
The servings consist of one scoop (approx. 25g) mixed with 175ml of water. Each day you can consume a maximum of 3 servings throughout the day.

Boho Unflavoured Organic Vegan Protein Powder Blend (1kg - 57 Servings) Plain & Unsweetened, Organic Plant Based Protein, Dairy Free, Gluten Free, Lactose Free, Pea, Plant Protein Powder

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Why We Love It

Pure plant-based protein blend.
Unsweetened and organic goodness.
High nutritional value.

Main Highlights

UNFLAVOURED: But NOT "flavourless"... its made from plant protein so has a "planty" vibe. Its certainly smoother and nicer than pea protein powder, rice protein powder or soy protein powder alone!
NO ADDITIVES: Our unflavoured protein powder is free from sweeteners, flavorings, dairy, gluten, gums, stevia, sucralose and more. Pure, simple ingredients for a clean, straightforward boost to your health and wellness routine!
ORGANIC & VEGAN: Our plant based diet protein powder is vegan certified to ensure purity and plant-powered goodness in every scoop. Clean plant protein powder that fuels your body and respects the earth!
MULTISOURCE PROTEIN: A specially crafted blend combining pea protein powder with pumpkin, sunflower, flax, and chia proteins. Enjoy a balanced taste and all 20 essential amino acids your body needs for optimal vitality!
VERSATILE: Perfect for smoothies & baking, or simply shake it with water or plant milk for a natural "planty" taste! Ideal for any diet, our protein powder vegan adapts to your culinary needs while providing great nutrition.
SMART NUTRITION: Lean Protein Powder for clean nutrition with organic protein to keep you fueled with essential nutrients for peak performance every day.
NATURAL FUEL : A cleaner, more sustainable alternative to diet whey protein powder, this plant-based formula delivers pure, natural nourishment without artificial additives, sweeteners, or fillers. Unlike traditional whey isolate protein powder, it is sourced from high-quality ingredients, it ensures better digestibility and a balanced nutritional profile, supporting your health and fitness goals.

Naughty Boy Advanced 100% Whey Muscle Building & Recovery Protein Powder with Optimum Taste & Mixability for All Adults and Diets. (Chocolate Brownie, 900 g)

5% Off

Why We Love It

Stimulates muscle growth and repair.
Supports appetite control.
Quick nutrient delivery post-workout.

Main Highlights

Muscle Building And Repair: Whey protein is rich in essential amino acids, particularly leucine, which plays a crucial role in stimulating muscle protein synthesis. This process is essential for the growth, repair, and maintenance of muscle tissues. Consuming whey protein after a workout helps provide the necessary building blocks for muscle recovery.
Weight Management: Appetite Control: High-protein diets, including whey protein supplementation, have been associated with increased feelings of fullness and reduced appetite. This can be beneficial for those looking to manage their weight, as it may help control calorie intake and support fat loss while preserving lean muscle mass.
Fast Absorption and Digestibility: Quick Nutrient Delivery: Whey protein is a fast-digesting protein source, meaning it is rapidly absorbed by the body. This makes it an ideal choice for post-workout nutrition when there is a need to quickly deliver nutrients to the muscles for recovery. The speedy absorption of whey protein also makes it a convenient option for a protein source throughout the day.
Improved Immune Function: Whey protein contains immunoglobulins and antioxidants, which can contribute to a stronger immune system. Immunoglobulins help defend the body against harmful microorganisms, while antioxidants combat oxidative stress. Regular intake of whey protein may thus contribute to overall health and well-being.
Rich in BCAAs Whey protein is naturally high in branched-chain amino acids (BCAAs), including leucine, isoleucine, and valine. These amino acids are crucial for muscle protein synthesis, energy production, and reducing muscle soreness. BCAAs, particularly leucine, play a key role in initiating the process of muscle protein synthesis, making whey protein an excellent choice for individuals seeking to optimize muscle growth and recovery.

Bulk Pure Whey Protein Powder Shake, Chocolate, 1 kg, Packaging May Vary

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Why We Love It

Award-winning shake for daily training.
Packed with essential proteins and BCAAs.
Sourced from European, grass-fed cows.

Main Highlights

Delivers 22g or 23g of high-quality protein per serving (depending on flavour), sourced from premium whey protein concentrate to support your daily nutrition and fitness goals
A complete protein source containing all essential amino acids, including 5g of naturally occurring BCAAs per scoop; Ideal for muscle maintenance
Designed to mix easily with water or milk, creating a smooth and enjoyable shake; Low in sugar making it suitable for various nutrition plans
Available in over 20 delicious flavours and multiple pack sizes including 500g, 1kg, 2.5kg and 5kg, making it easy to find the right option to match your taste and usage needs
Manufactured to high quality standards and suitable for vegetarian diets; A reliable protein source for athletes, gym-goers, or anyone looking to boost their protein intake

Pea Protein Powder (907g) - 80% Protein (24g/Serving), Unflavoured Vegan Protein Powders for Muscle Growth & Recovery, 30 Servings, Halal, Non-GMO, Sugar/Dairy/Soy/Gluten-Free, Gym & Senior-Friendly

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Why We Love It

Nutrient-rich for optimal health.
Vegan and allergen-friendly formula.
Easy to use in recipes.

Main Highlights

Nutrient-Rich Formula: Each 30g serving contains 24g of premium pea protein (80% protein content), blended with amino acids, dietary fibre, vitamins, and minerals. May support metabolic function, immune health, and muscle maintenance. Suitable for fitness enthusiasts, post-surgery recovery, and daily nutritional supplementation for seniors.
Allergy & Vegan Safety: Non dairy protein powder made from 100% plant-based Canadian golden peas, free from gluten, dairy, soy, and artificial additives. Certified NON-GMO, Halal, and GMP-compliant. Batch-tested for quality assurance, ideal for vegan diets and restricted dietary needs.
Gentle Digestion: Naturally sugar-free with a neutral flavour and smooth texture. Plant protein powder designed for easy absorption, may help promote satiety and gut comfort without causing bloating. Pairs well with grains to enhance nutrient absorption.
Eco-friendly and convenient: 907g of large capacity vegan protein powder = 30 servings (51% more than 600g) to meet your cost-effective needs, comes with measuring spoon, re-sealable bag for daily storage and traveling, recyclable.
Versatile Usage: Mixes effortlessly with water, milk, or juice for lump-free consistency. Easily added to porridge, yoghurt, or baking recipes. Blend into your favourite drinks or meals for a protein boost .

Warrior Whey Protein Powder – Up to 36g* of Protein Per Shake – Low Sugar, and Low Carbs – GMP Certified (Strawberry Crème, 1kg)

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Why We Love It

Promotes muscle growth and recovery.
Low-carb, low-sugar meal replacement.
Delicious flavor options available.

Main Highlights

36g PROTEIN PER 50g SERVING TO HELP BUILD MUSCLE - Use after training to quickly heal micro-tears in muscle tissues, speed up recovery, and reduce muscle soreness for STRONGER and BIGGER muscles over time.
LOW CARB & LOW IN SUGAR - Warrior Whey is HIGH in protein but low in Carbohydrates, Fats, and Sugar. Ideal to use as a meal replacement as part of a calorie-controlled diet while trying to lean out, and Ideal for those simply looking to BUILD MUSCLE and BURN FAT at the same time.
USE ANY DAY FOR DIFFERENT GOALS - Portion size can be increased or decreased depending on your training goals. For LEANING OUT, use 1 scoop mixed with 200ml water to create a low-carb Protein Shake. For LEAN GAINS, use 2 scoops instead.
WHEY PROTEIN - Whey digests quickly and is rich in branched-chain amino acids (BCAAs) which play a major role in promoting MUSCLE GROWTH and RECOVERY after resistance and endurance exercise. BCAAs are the building blocks for muscle protein synthesis, which is the creation of new muscle.
PROTEIN SHAKE THAT TASTES GREAT - Available in super tasty flavours: Double Chocolate, Strawberry crème, Vanilla Ice Cream, White Chocolate, Coconut, Salted Caramel, and Unflavoured Unlike other bland protein shakes, ours taste DELICIOUS Can also be added to smoothies, oats, or pancake mix to create high-protein meals.

8.7

Excellent

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We scanned 1642 products

We reviewed these offers relevant to the Protein Powder For Kids Age 5 10 within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Optimum Nutrition, EarthChamp, PediaSure, Naughty Boy, PhD, Boho, Bulk, ATLEMISME, Warrior, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Protein Powder For Kids Age 5 10 in the market, we considered we took a deep dive into 8211 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Delicious Strawberry Flavour, 30 Servings, 900 g. We love many things about this product by Optimum Nutrition. What sets it apart from the competition is Effortless mix-ability guarantees zero clumps, Verifies as a safe supplement. , Most reviewed for consistent quality.
The best value product for most shoppers and where user satisfaction is continuously the highest is Vegan Protein Powder (1kg) - 28 Servings - EarthChamp by Wyldsson - Plant Based Chocolate Protein Powder Shake, Dairy Free, Gluten Free, Lactose Free Protien Shake (Choc) by EarthChamp based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Protein Powder For Kids Age 5 10 and the best cost-to-value ratio is Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Delicious Strawberry Flavour, 30 Servings, 900 gat Optimum Nutrition with a 25% discount.
Our list of the best Protein Powder For Kids Age 5 10 is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Protein Powder For Kids Age 5 10 in The UK

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We scanned 1642 products

We concluded that: