As parents, we constantly worry about our children’s health and well-being. Sometimes, you might notice your little one isn’t gaining weight as steadily as their peers, or perhaps they’re incredibly active and need extra nutritional support. This often leads to questions about dietary supplements, and for many, the search for the best protein powder for kids to gain weight begins.
It’s a common concern, and you’re not alone! While a balanced diet rich in whole foods is always the cornerstone of healthy growth, a well-chosen protein powder can sometimes offer a convenient and effective way to boost calorie and nutrient intake. But with so many options out there, how do you pick the right one?
We’ve done the digging for you, exploring some of the top products designed to help your child gain weight healthily. From pediatrician-backed formulas to delicious shakes, we’ll break down the features, pros, and cons to help you make an informed decision. Remember, always consult with your pediatrician or a registered dietitian before introducing any new supplement into your child’s diet.
Let’s dive into our top picks for the best protein powder for kids to gain weight!
Understanding Protein for Kids’ Weight Gain
Before we jump into the reviews, let’s quickly touch on why protein is important for children looking to gain weight. Protein is a fundamental building block for growth, muscle development, and overall tissue repair. For children who are underweight, active, or particularly picky eaters, ensuring adequate protein intake can be a challenge. Protein powders can supplement their diet with essential amino acids, helping to support healthy growth and development alongside a balanced meal plan. When combined with sufficient calories, protein can contribute to healthy weight gain.
Our Top 10 Picks for Kids’ Protein and Weight Gain Support
Here are our detailed reviews of products that can help your child on their weight gain journey.
1. Healthy Heights Grow Daily Kids Protein Drink Mix (Plain)
This plain, flavorless protein powder is a fantastic option for parents looking for versatility. Healthy Heights Grow Daily is specifically designed by pediatricians to support healthy growth in children aged 3-9, delivering essential amino acids, vitamins, and minerals without any strong taste. It’s incredibly easy to incorporate into your child’s favorite foods or drinks without them even noticing!
Key Features:
– 1 canister, 7 servings, plain flavorless protein powder
– Designed for children ages 3-9 to support healthy growth
– Patented kids growth protein shake mix, clinically studied
– Contains 12 grams of high-quality whey protein per serving
– No human growth hormone (HGH), corn syrup, or preservatives
– Ideal for highly active kids or picky eaters
– Can be used in shakes, snacks, or even as a protein pancake mix
Pros:
– Flavorless, making it easy to hide in various foods
– Developed by pediatricians and clinically studied for growth support
– High-quality whey protein source
– Free from undesirable additives like HGH and corn syrup
– Versatile for many recipes
Cons:
– Only 7 servings per canister, so it might run out quickly
– May not appeal to kids who prefer flavored options directly
– Price point might be higher per serving compared to larger containers
User Impressions: Parents love how discreet this powder is, making it a “secret weapon” for boosting nutrition in picky eaters. Many reported seeing improved energy levels and consistent growth after regular use. The ability to mix it into almost anything without altering taste is frequently highlighted as a major plus.
2. TruHeight Growth Protein Shake (Chocolate Milk Flavor)
TruHeight’s Chocolate Milk flavored shake aims to make nutritional support a treat, not a chore. Endorsed by pediatricians, this protein powder is packed with 18 essential vitamins and minerals, including a substantial 16.5g of protein, calcium, magnesium, and Vitamin D. It’s a great choice for picky eaters, offering a delicious taste with less than half the sugar of conventional kids’ products, making it a strong contender for the best protein powder for kids to gain weight.
Key Features:
– Delicious Chocolate Milk flavor
– Contains 16.5g of whey protein per serving
– Includes 18 essential vitamins and minerals (Calcium, Magnesium, Vitamin D, Zinc, Potassium, Vitamins A, B, C)
– Less than half the sugar of conventional kids’ products (only 2g per serving)
– Pediatrician Recommended Brand for Growth & Development (IQVIA ProVoice Survey, March 2025)
– Made in a USA GMP certified facility
Pros:
– Great taste appeals to children, reducing mealtime struggles
– High protein content (16.5g)
– Comprehensive blend of vitamins and minerals for overall development
– Low sugar content is a big win for health-conscious parents
– Endorsed by pediatricians for growth and development
Cons:
– Limited to chocolate flavor for this specific listing (vanilla also available elsewhere)
– May be considered a treat, making regular plain food less appealing if overused
– Some children might still find the texture off-putting if not mixed well
User Impressions: Children genuinely enjoy the chocolate flavor, which is a massive hurdle overcome for parents of picky eaters. Users appreciate the balanced nutrition and lower sugar, feeling confident that their kids are getting valuable nutrients without excessive sweetness. Many note it’s become a go-to snack.
3. Orgain Organic Kids Protein Nutritional Shake, Chocolate
For parents who prioritize organic and plant-based options, Orgain’s Organic Kids Protein Nutritional Shake is a standout. This ready-to-drink chocolate shake is not only convenient but also boasts 25% less sugar than leading competitors. It’s packed with 3g of fiber and 22 vitamins and minerals, all sourced from organic ingredients, including a fruit and vegetable blend. It’s an excellent choice for a quick, wholesome boost.
Key Features:
– Ready-to-drink chocolate nutritional shake (12 x 8.25 oz cartons)
– 25% less sugar than leading kids’ protein shakes
– USDA Organic, Plant-Based, Non-GMO, Gluten-free, Kosher, No Soy Ingredients, no artificial colors, flavors, or preservatives
– 3g of Fiber and 22 Vitamins and Minerals for immune support and overall health
– Crafted with organic grass-fed milk protein, whey protein concentrate, and fruit/vegetable blend
– 180 calories per serving
– Perfect for kids aged 4+, picky eaters, or on-the-go nutrition
Pros:
– Ultra-convenient ready-to-drink format
– USDA Organic and plant-based (though contains milk protein)
– Lower sugar content than many alternatives
– Rich in vitamins, minerals, and fiber for comprehensive nutrition
– Free from common allergens and artificial additives
Cons:
– Ready-to-drink options can be more expensive per serving
– May not appeal to children who prefer to mix their own drinks
– Specific taste might not be for everyone, despite being chocolate
User Impressions: Parents rave about the convenience and peace of mind from the organic, clean ingredients. It’s a lifesaver for busy mornings or as a quick, nutritious snack. Many report their children love the chocolate flavor and readily drink it, making it an easy win for adding calories and nutrients.
4. Healthy Heights Grow Daily Kids Protein Drink Mix (Chocolate)
If the plain Healthy Heights powder wasn’t quite hitting the mark for your child’s taste buds, their chocolate version might be just what you need. This delicious chocolate protein powder offers the same pediatrician-developed, clinically studied benefits for growth in kids aged 3-9, but in a flavor that’s usually a crowd-pleaser. With 12 grams of high-quality whey protein, it’s a great way to boost their intake for weight gain and overall health.
Key Features:
– 1 bag, 14 servings, delicious chocolate protein powder
– Designed for children ages 3-9 to support healthy growth
– Patented kids growth protein shake mix, clinically studied
– Contains 12 grams of high-quality whey protein per serving
– No human growth hormone (HGH), corn syrup, or preservatives
– Ideal for highly active kids or picky eaters, supporting weight gain and growth
– Can be used in shakes, chocolate milk, or as a protein pancake mix
Pros:
– Delicious chocolate flavor that kids tend to love
– Pediatrician-developed and clinically studied
– Good source of high-quality whey protein (12g)
– Free from HGH, corn syrup, and preservatives
– Versatile for various recipes beyond just shakes
Cons:
– Only 14 servings, so frequent reordering might be needed
– Contains flavor, so less adaptable than the plain version for savory dishes
– Some children might prefer a stronger or different chocolate taste
User Impressions: This chocolate version is often a hit with kids who are hesitant about unflavored supplements. Parents report their children eagerly asking for their “chocolate shake,” which makes delivering essential nutrients much easier. The growth and weight gain benefits are frequently mentioned as noticeable.
5. Suplekids – Chocolate Protein Shake Powder for Kids
Suplekids chocolate protein powder positions itself as a “secret weapon” for children aged 2-10, focusing on both remarkable growth and development while carefully considering kidney health. This delicious powder promises a flavor explosion kids will adore, all while helping them gain weight healthily without excess calories that lead to unwanted weight. Its inclusion of prebiotics also aims to support gut health and digestion.
Key Features:
– Chocolate protein powder for children aged 2-10
– Guarantees precise protein intake without compromising kidney health
– Irresistibly delicious flavor, designed for kids
– Helps with healthy weight gain while managing calorie concerns
– Contains powerful prebiotics for gut health and digestion
– Focused on supporting growth and development
Pros:
– Specifically formulated for the younger age range (2-10 years)
– Emphasizes kidney safety, a crucial aspect for children’s supplements
– Delicious taste makes it easy for kids to consume
– Prebiotics support healthy gut function
– Focuses on healthy weight gain without excessive, empty calories
Cons:
– Specific protein content per serving isn’t explicitly listed in features provided
– Only available in chocolate, limiting flavor variety
– “Guarantees precise protein without compromising kidneys” claim requires trust in their formulation
User Impressions: Parents praise the taste, stating it’s a “win” with their children. The focus on gut health and kidney safety resonates well with caregivers. Many found it effective in encouraging weight gain in a healthy, controlled manner, and their kids eagerly drink it.
6. JoySpring Appetite Booster for Kids | Natural Weight Gain Drops
This product takes a different approach to promoting weight gain in children. Rather than a protein powder, JoySpring’s Hungry Hero is a natural appetite booster for kids. If your child struggles with picky eating or a generally low appetite, these liquid drops might be the solution. It’s formulated with L-Lysine, B vitamins, and zinc to encourage healthy eating habits and increase food interest, making mealtime less of a battle.
Key Features:
– Natural liquid appetite booster for kids and toddlers
– Formulated to encourage healthy eating habits and weight gain
– Contains L-Lysine, B vitamins, and zinc to support nutritional needs and cognitive health
– Specifically crafted for children with sensory challenges or fussy eaters
– Fast-absorbing liquid drops, easily mixed with juice or water
– Safe, sugar-free, no artificial flavors, added sweeteners, or harmful fillers
– Made in the USA
Pros:
– Addresses the root cause of low weight (poor appetite)
– Liquid form is easy to administer and absorbs quickly
– Natural and sugar-free formula, with no artificial additives
– Contains beneficial vitamins and minerals for overall health
– Can reduce mealtime stress for parents and children
Cons:
– Not a direct protein supplement; relies on increasing food intake for weight gain
– Effectiveness can vary from child to child
– Some children might resist the taste or texture of the drops in their drink
User Impressions: Many parents of picky eaters consider this a “game-changer.” They report seeing a noticeable increase in their children’s appetite and interest in food, leading to more consistent weight gain. The ease of use and natural ingredients are frequently highlighted as positives.
7. NutriKid Kids Healthy Protein Powder Shake
NutriKid aims to make healthy eating enjoyable for kids with its range of fun and delicious flavors. This pediatrician-approved protein powder is packed with 36 essential vitamins and minerals, specifically designed to boost cognitive development, increase focus, and support overall growth and well-being. It also focuses on gut health, including a digestive enzyme blend and probiotics, while being free from soy, gluten, and dyes.
Key Features:
– Amazing taste, “picky kid approved”
– Contains 36 essential vitamins and minerals for cognitive development, focus, and growth
– Pediatrician-approved formula loaded with superfoods
– Includes a digestive enzyme blend and 4 Billion CFU of probiotics for gut health
– Soy-free, gluten-free, dye-free, and no fillers
– Versatile for shakes, protein bars, yogurt, pancakes, etc.
– Fun & Delicious Flavors: Chocolate, Vanilla, Cookies and Cream
Pros:
– Wide array of flavors to appeal to different tastes
– Comprehensive blend of 36 vitamins and minerals
– Supports gut health with enzymes and probiotics
– Free from common allergens and artificial ingredients
– Highly versatile for various culinary applications
Cons:
– The list of 36 vitamins and minerals could be overwhelming for some
– “Superfoods” claim is broad; specific ingredients not detailed
– May contain more sugar than some ultra-low sugar options, depending on flavor
User Impressions: Parents consistently praise the delicious taste and the variety of flavors, which makes it easy to incorporate into their children’s routine. Many have observed improvements in their children’s energy levels and general health. The gut-friendly ingredients are also a big plus for sensitive stomachs.
Important Note on Adult Mass Gainers (Products 8, 9, 10):
The following three products (Dymatize Super Mass Gainer, GNC Pro Performance Weight Gainer, and MuscleTech High Protein Mass Gainer) are adult-specific mass gainer supplements. They are formulated with very high calorie and protein counts designed for serious athletes, bodybuilders, and adults looking for significant muscle and weight gain. These products are NOT designed for children and are generally not suitable for them. Children have different nutritional needs and metabolic capacities. Administering such high doses of protein, calories, and other compounds (like creatine) without strict medical supervision can be harmful.
Always, always consult a pediatrician or a registered dietitian before considering any adult-formulated supplement for a child, especially high-calorie mass gainers. The information below is provided for review as requested, but with the strongest possible caution regarding suitability for children.
8. Dymatize Super Mass Gainer Protein Powder, Gourmet Vanilla
Dymatize Super Mass Gainer is a powerhouse designed for adults focused on significant muscle and weight gain. It delivers a massive 1,280 calories and 52g of protein per serving, along with creatine and 14 essential vitamins and minerals. This product is for serious adult fitness enthusiasts aiming to pack on size and strength, utilizing both fast and slow-digesting proteins.
Key Features:
– 1,280 calories per serving
– 52g of protein (whey and casein) to support muscle growth and recovery
– 1g of creatine per serving to support power and strength
– 14 essential vitamins and minerals
– Designed for continuous muscle growth and recovery in men and women
– Versatile for blending into smoothies or adding to baked goods
Pros (for intended adult users):
– Extremely high calorie and protein content for rapid weight/muscle gain
– Blend of fast and slow-digesting proteins for sustained release
– Includes creatine for enhanced performance
– Good source of essential vitamins and minerals
Cons (especially regarding kids):
– ABSOLUTELY NOT RECOMMENDED FOR CHILDREN due to extremely high calorie, protein, and creatine content.
– Flavors and ingredient profiles are formulated for adult tastes and needs.
– Could cause digestive issues or kidney strain in children.
– Contains creatine, which is not typically recommended for minors.
User Impressions (from adult users): Adult users praise its effectiveness for gaining mass quickly, noting the good taste and mixability for a product with such high calories. Many found it helped break through weight gain plateaus.
9. GNC Pro Performance Weight Gainer Protein Powder
GNC Pro Performance Weight Gainer is another adult-focused supplement, crafted for healthy weight gain goals in adults. It provides a dynamic blend of high calories, 50g of protein from fast, medium, and slow-releasing sources (whey concentrate and micellar casein), and all 20 amino acids. It’s also third-party tested and banned substance-tested, making it a trusted choice for athletes.
Key Features:
– Targeted macros for healthy weight gain (in adults)
– High-calorie, BCAA-rich formula
– 50g of protein per serving from whey protein concentrate and micellar casein
– Provides all 20 amino acids needed to build muscle mass
– Third-party tested for purity and potency, banned substance tested
– Backed by science from GNC, committed to high quality and safety
Pros (for intended adult users):
– Excellent protein blend for sustained muscle feeding
– Comprehensive amino acid profile
– High-calorie content supports significant weight gain
– Trusted brand with strict quality and testing standards (banned substance tested)
Cons (especially regarding kids):
– HIGHLY UNSUITABLE FOR CHILDREN. The caloric, protein, and BCAA levels are far too high for a child’s needs.
– Formulated for adult body composition and exercise intensity.
– Potential for digestive upset or organ strain if given to children.
User Impressions (from adult users): Adult users appreciate the quality ingredients, effective weight gain, and the fact that it’s banned substance tested, which is crucial for athletes. The taste is generally well-received for a weight gainer.
10. MuscleTech High Protein Mass Gainer for Men & Women
MuscleTech’s 100% Mass Gainer is designed for adult men and women aiming for superior gains in muscle and size. When mixed with skim milk, each serving boasts a massive 1,500 calories, 60g of protein, 304g of easily digestible carbs, and over 13g of BCAAs, plus pure HPLC-tested creatine. It’s built for those pushing the limits of their training and seeking maximum strength potential.
Key Features:
– Superior Gains: 1,500 calories (with skim milk), 60g protein, 304g carbs per serving
– Muscle-fueling creatine (HPLC-tested)
– More than 13g of BCAAs and 6.3g of L-leucine (with skim milk)
– Delicious Vanilla Milkshake flavor
– Designed to replenish ATP stores for enhanced performance and increased strength (in adults)
– Developed with world’s top flavor houses for a delightful taste experience
Pros (for intended adult users):
– Extremely high caloric and protein content for rapid mass building
– Comprehensive blend of carbs, protein, and BCAAs
– Includes creatine for significant strength and performance benefits
– Vanilla Milkshake flavor is designed to be very palatable
Cons (especially regarding kids):
– ABSOLUTELY NOT TO BE GIVEN TO CHILDREN. The extreme nutritional density, particularly the calories, protein, carbs, BCAAs, and creatine, is entirely inappropriate and potentially dangerous for a child.
– Formulated for intense adult training regimens and recovery.
– Risk of adverse health effects if consumed by children.
User Impressions (from adult users): Adult bodybuilders and athletes commend MuscleTech for its effectiveness in promoting rapid weight and muscle gain. The taste is often highlighted as surprisingly good for such a calorie-dense product, making it easier to consume large quantities.
Frequently Asked Questions (FAQ)
Here are some common questions parents have when considering protein powder for their children’s weight gain.
Q1: Why might my child need protein powder for weight gain?
A1: Protein powder can be helpful if your child is a picky eater, has a significantly higher energy expenditure (e.g., very active in sports), is underweight, or has certain medical conditions that make it difficult to consume enough calories and nutrients through regular food alone. It acts as a convenient, concentrated source of protein and often calories to supplement their diet, supporting healthy growth and development. Always consult a pediatrician before introducing supplements.
Q2: Is protein powder safe for children?
A2: Generally, protein powders specifically formulated for children, used according to directions, and under pediatrician guidance, can be safe. These products are designed with children’s nutritional needs in mind. However, adult protein powders or mass gainers are usually not safe for children due to their high concentrations of protein, calories, and other ingredients (like creatine) that are unsuitable for developing bodies.
Q3: How much protein does my child need daily?
A3: Protein needs vary greatly depending on a child’s age, weight, activity level, and health status. As a general guideline, the Recommended Dietary Allowance (RDA) for protein for children is around 0.95 grams per kilogram of body weight for children aged 4-13. For example, a 20kg child would need about 19g of protein daily. Highly active children might need more. Your pediatrician or a registered dietitian can provide personalized recommendations.
Q4: What ingredients should I look for in a kids’ protein powder for weight gain?
A4: Look for high-quality protein sources like whey or milk protein (unless your child has allergies). Ensure it includes essential vitamins and minerals for overall development. Prioritize products with low sugar content and avoid artificial colors, flavors, sweeteners, and preservatives. Some products also include prebiotics or probiotics for gut health. Look for certifications like USDA Organic if that’s important to you.
Q5: Can protein powder replace meals for my child?
A5: No, protein powder should not replace whole meals. It’s a supplement, meaning it’s intended to add to or fill gaps in your child’s existing diet, not substitute the diverse nutrients found in a balanced meal. Whole foods provide fiber, phytonutrients, and other beneficial compounds that protein powders typically don’t.
Q6: What’s the difference between a kids’ protein powder and an adult mass gainer?
A6: This is a crucial distinction! Kids’ protein powders are formulated with much lower, age-appropriate amounts of protein, calories, and other nutrients, specifically to support healthy growth without overwhelming a child’s system. Adult mass gainers, on the other hand, contain extremely high amounts of calories (often over 1000 per serving), protein (50g+), carbohydrates, and sometimes ingredients like creatine, designed for adults with intense training regimens to build significant muscle mass. Adult mass gainers are not safe or suitable for children.
Q7: When should I consult a pediatrician about my child’s weight?
A7: You should always consult your pediatrician if you have concerns about your child’s weight, growth, or eating habits. They can assess your child’s individual needs, rule out any underlying medical conditions, and provide tailored advice on diet and potential supplements like protein powder for weight gain. It’s especially important to talk to a doctor before introducing any new supplement.
Conclusion
Navigating your child’s nutritional needs can feel like a maze, especially when you’re looking for the best protein powder for kids to gain weight. While the products specifically designed for children, like Healthy Heights, TruHeight, Orgain Kids, Suplekids, and NutriKid, offer tailored nutrition and often delicious flavors to help your little ones thrive, remember that products like Dymatize, GNC, and MuscleTech mass gainers are strictly for adult use and should not be given to children.
The most important takeaway? A balanced diet, rich in whole foods, is paramount. Protein powders are tools to supplement that diet, not replace it. Always, always have a conversation with your pediatrician or a registered dietitian before introducing any new supplement to ensure it’s the right and safest choice for your child’s unique health journey. With the right guidance and a well-chosen product, you can help your child achieve healthy weight gain and robust development.