As a parent, seeing your child thrive is everything. Sometimes, however, kids might be a bit underweight, struggle with picky eating, or need a little extra nutritional support to reach their growth milestones. That’s where carefully chosen protein supplements can make a real difference. Finding the best protein for kids to gain weight involves looking for products that are not only effective but also safe, tasty, and packed with essential nutrients for healthy development.
We’ve scoured the market to bring you a comprehensive review of the top 10 protein and appetite-boosting options designed specifically for children. Our goal is to help you make an informed choice that supports your child’s journey toward healthy growth and a stronger immune system.
Why Protein Matters for Kids’ Weight Gain and Growth
Protein isn’t just for bodybuilders; it’s a fundamental building block for every child’s growth. It helps develop muscles, bones, skin, and even antibodies for a robust immune system. For kids who need to gain weight, protein provides essential calories and nutrients that support healthy mass gain, rather than just empty calories. Paired with a balanced diet, the right protein supplement can be a game-changer for underweight children or those with high energy needs.
Let’s dive into our top picks for the best protein for kids to gain weight.
Our Top 10 Picks for Kids’ Healthy Weight Gain
1. PediaSure Grow & Gain with Immune Support, 27 Vitamins &…
PediaSure is a household name often recommended by pediatricians, and for good reason. This nutritional shake is clinically proven to help children grow, especially those at risk of undernutrition. It’s designed to complement a child’s diet, providing a significant boost of calories, protein, and crucial vitamins and minerals needed for healthy development and weight gain. Plus, with immune-supporting nutrients, it’s a win-win for overall wellness.
Key Features:
– CLINICALLY PROVEN to help kids grow, as studied in children with and/or at risk of undernutrition.
– Formulated with 7 KEY NUTRIENTS for IMMUNE SUPPORT, including protein, zinc, vitamins A & D, and antioxidants (vitamins C & E and selenium).
– Offers COMPLETE, BALANCED NUTRITION with 27 vitamins & minerals and 7g of protein per serving.
– Non-GMO, gluten-free, no artificial growth hormones, and contains 32mg of DHA omega-3.
– #1 PEDIATRICIAN-RECOMMENDED brand for kids ages 2-13.
Pros:
– Comprehensive nutritional profile for growth and immunity.
– Clinically studied efficacy for weight gain.
– Trusted brand widely recommended by healthcare professionals.
– Convenient ready-to-drink format and tasty flavors.
Cons:
– Contains sugar, which might be a concern for some parents.
– Can be more expensive than some other options.
User Impressions:
Parents often turn to PediaSure for reliable nutritional support, especially for picky eaters or children recovering from illness. They frequently report noticeable improvements in their child’s energy levels and weight gain, appreciating the convenience and the fact that kids generally love the taste.
See it on Amazon here
2. Orgain Organic Kids Protein Nutritional Shake, Chocolate -…
For parents seeking an organic and plant-based option, Orgain’s Organic Kids Protein Nutritional Shake is a fantastic choice. This ready-to-drink shake prioritizes clean ingredients, offering a blend of grass-fed milk protein and plant-based proteins, along with a fruit and vegetable blend. It’s packed with vitamins and minerals to support immune health, all while keeping sugar content lower than many competitors.
Key Features:
– HIGHER STANDARDS with 25% less sugar vs. leading kids protein nutritional shakes.
– USDA Organic, Plant-Based, Non-GMO, Gluten-free, Kosher, and free of soy ingredients, artificial colors, flavors, and preservatives.
– IMMUNE SUPPORT with 3g of Fiber and 22 Vitamins and Minerals (A, B12, C, D, E, Biotin, Calcium, Zinc, etc.).
– CLEANER INGREDIENTS include Organic Grass-Fed Milk Protein, Whey Protein Concentrate, and a Fruit and Vegetable blend (acai, apple, beet, blueberry, carrot, kale & spinach).
– PORTABLE NUTRITION perfect for ages 4+, picky eaters, and on-the-go meals.
Pros:
– Lower sugar content compared to many kids’ shakes.
– Made with organic and cleaner ingredients, including real fruits and vegetables.
– Offers a good balance of protein, fiber, and micronutrients.
– Convenient ready-to-drink format for busy families.
Cons:
– While plant-based, it also contains grass-fed milk protein, so not fully vegan.
– Flavor options might be more limited compared to mainstream brands.
User Impressions:
Families appreciate Orgain for its commitment to organic and less-processed ingredients, making them feel good about what their children are consuming. Many highlight its effectiveness for adding calories and nutrients to a picky eater’s diet, with kids generally enjoying the chocolate flavor.
See it on Amazon here
3. TruHeight Growth Protein Shake (Chocolate Milk Flavor,…
TruHeight offers a delicious protein shake specifically formulated to support growth and development in children and teens. This pediatrician-recommended brand focuses on providing a rich blend of 18 vitamins and minerals, including a substantial 16.5g of protein, Calcium, Magnesium, and Vitamin D. It’s an excellent choice for kids needing to gain weight healthily, with a lower sugar content that parents will appreciate.
Key Features:
– Contains a responsibly sourced collection of 18 vitamins and minerals, including 16.5g of protein, Calcium, Magnesium, and Vitamin D.
– LESS THAN HALF THE SUGAR of conventional kids’ products (only 2g per serving).
– ENDORSED BY PEDIATRICIANS and recognized as the #1 Pediatrician Recommended Brand for Growth & Development (IQVIA ProVoice Survey, March 2025).
– GREAT FOR PICKY EATERS & WEIGHT GAIN, supporting healthy weight gain and overall well-being.
– Made in a USA GMP CERTIFIED FACILITY with high-quality global ingredients.
Pros:
– High protein content (16.5g) for robust growth support.
– Very low sugar (2g) makes it a healthier alternative.
– Pediatrician-recommended and focused on bone strength and immune support.
– Available in kid-friendly chocolate and vanilla flavors.
Cons:
– Primarily a whey protein, so not suitable for dairy allergies/sensitivities.
– May be perceived as a premium-priced product.
User Impressions:
Parents commend TruHeight for its delicious taste, which makes it easy for children to consume their daily nutrients without a fuss. The low sugar content and pediatrician endorsement are often cited as major selling points, leading to positive outcomes for growth and appetite.
See it on Amazon here
4. JoySpring Appetite Booster for Kids | Natural Weight Gain…
Unlike the protein shakes, JoySpring’s Hungry Hero is a natural appetite booster, making it a unique solution for families struggling with picky eating and low weight gain. This liquid drop supplement contains L-Lysine, B vitamins, and zinc, all known to stimulate appetite and support nutritional needs. It’s an ideal choice for getting kids to eat more whole foods, rather than just supplementing with calories directly.
Key Features:
– BOOSTS APPETITE for Kids & Supports Healthy Growth, designed to encourage healthy eating habits.
– NATURAL FORMULA for Picky Eaters & Special Kids, including L-Lysine, B vitamins, and zinc.
– ENCOURAGES HEALTHY EATING & REDUCES MEALTIME STRUGGLES by increasing food interest.
– FAST-ABSORBING Toddler Appetite Booster in easy-to-use liquid drops.
– SAFE, SUGAR-FREE & MADE IN THE USA, with no artificial flavors, added sweeteners, or harmful fillers.
Pros:
– Directly addresses low appetite, encouraging consumption of regular meals.
– Liquid form allows for quick absorption and easy mixing with drinks.
– Natural, sugar-free, and free from artificial additives.
– Specifically crafted for children with sensory challenges or fussy eaters.
Cons:
– Doesn’t directly provide protein or calories, relying on the child eating more.
– Results may vary based on the underlying cause of poor appetite.
User Impressions:
Many parents find JoySpring to be a game-changer for mealtime battles. They report that their children show increased interest in food and eat more varied meals after consistent use. The ease of adding drops to drinks is particularly praised.
See it on Amazon here
5. Healthy Heights Grow Daily Kids Protein Drink Mix (Chocolate Protein Powder)…
Healthy Heights Grow Daily is a pediatrician-developed and clinically studied protein drink mix tailored for children aged 3-9. This chocolate-flavored powder provides 12 grams of high-quality whey protein per serving, along with essential amino acids, vitamins, and minerals. It’s an excellent way to support healthy growth and is especially useful for highly active kids or those who are simply picky about their food.
Key Features:
– Patented kids growth protein shake mix, DEVELOPED BY PEDIATRICIANS and CLINICALLY STUDIED.
– Provides 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 to supplement their diet.
– VERSATILE USE in shakes, chocolate milk, or even protein pancakes.
Pros:
– Clinically studied and pediatrician-developed for efficacy.
– Good amount of high-quality whey protein (12g).
– Free from HGH, corn syrup, and preservatives.
– Flexible in how it can be incorporated into a child’s diet.
Cons:
– Contains dairy, so not suitable for lactose intolerance or dairy allergies.
– Requires mixing, which might be less convenient than ready-to-drink options.
User Impressions:
Parents rave about the pleasant taste of the chocolate flavor, making it easy to disguise in various foods and drinks. They often note improvements in their child’s overall energy and growth, feeling confident in a product backed by pediatric research.
See it on Amazon here
6. Healthy Heights Grow Daily Kids Protein Drink Mix (Plain)…
For the truly discerning palate, or for parents who prefer to control the flavor profile, Healthy Heights offers its Grow Daily Kids Protein Drink Mix in a plain, flavorless version. This allows for seamless integration into a wider variety of foods and beverages without altering the taste. Like its chocolate counterpart, it’s pediatrician-developed and provides 12 grams of high-quality whey protein to support growth in children aged 3-9.
Key Features:
– PLAIN, FLAVORLESS PROTEIN POWDER for maximum versatility.
– Patented kids growth protein shake mix, DEVELOPED BY PEDIATRICIANS and CLINICALLY STUDIED.
– Contains 12 GRAMS OF HIGH-QUALITY WHEY PROTEIN per serving.
– Free from human growth hormone (HGH), corn syrup, or preservatives.
– Excellent supplement for highly active kids or picky eaters to support healthy weight gain and growth.
Pros:
– Flavorless nature allows for hidden nutrition in almost any food or drink.
– Clinically studied and pediatrician-developed.
– High-quality whey protein content.
– No undesirable additives like HGH or corn syrup.
Cons:
– Still contains dairy.
– Requires parents to be creative in how they use it to avoid detection by extremely picky eaters.
User Impressions:
Parents love the “secret weapon” aspect of the plain powder, easily adding protein to yogurt, smoothies, oatmeal, or even baked goods without their children noticing. It’s a lifesaver for those with texture or flavor sensitivities, ensuring kids get essential nutrients without a fight.
See it on Amazon here
7. Suplekids – Chocolate Protein Shake Powder for Kids –…
Suplekids aims to unlock your child’s potential with a chocolate protein shake powder designed for ages 2 to 10. This product emphasizes precise protein delivery without compromising kidney health or protein-to-weight ratios, a common concern for parents. Beyond just protein, it focuses on gut health with powerful prebiotics, making it a holistic option for children’s growth and well-being.
Key Features:
– Specifically formulated for children ages 2 to 10, ensuring PRECISE PROTEIN without kidney strain.
– IRRESISTIBLY DELICIOUS chocolate flavor that kids adore, while keeping calorie concerns at bay.
– Promotes GUT BLISS with powerful prebiotics for healthy digestion.
– Focuses on overall growth and development, making it a source of PARENTAL PEACE & CHILD’S TRIUMPH.
Pros:
– Designed with kidney health in mind, a crucial consideration for protein intake in children.
– Includes prebiotics for digestive health, contributing to overall wellness.
– Delicious flavor enhances child acceptance.
– Aims for healthy, not excessive, weight gain.
Cons:
– Specific protein amount isn’t explicitly listed in the features, making direct comparison harder.
– Only one flavor mentioned.
User Impressions:
Many families are drawn to Suplekids for its focus on responsible protein levels and gut health. They often report that the chocolate flavor is a big hit, making it easy to incorporate into their child’s routine, and appreciate the added digestive benefits.
See it on Amazon here
8. Healthy Heights Grow Daily Kids Protein Drink Mix (Vanilla) for Boys & Teens…
Recognizing that older children and teens have different nutritional needs, Healthy Heights offers a specific formula for boys and teens aged 10+. This vanilla protein powder provides an impressive 18 grams of high-quality whey protein per serving, designed to promote fat-free muscle mass and support overall growth during crucial developmental years. It’s an excellent way to ensure pre-teens and teens get enough protein for their increased activity levels and growth spurts.
Key Features:
– Formulated by pediatricians for the specific nutritional needs of BOYS AND TEENS AGES 10+.
– Provides 18 GRAMS OF HIGH-QUALITY WHEY PROTEIN per serving to promote fat-free muscle mass.
– No human growth hormone (HGH), corn syrup, or preservatives.
– Supports growth and muscle development during pre-teen and teen years.
– Made with the highest quality ingredients for delicious protein snacks and drinks.
Pros:
– Higher protein content (18g) perfectly suited for older, growing children and teens.
– Specifically formulated for the unique growth phase of boys aged 10+.
– Free from undesirable additives.
– Delicious vanilla flavor.
Cons:
– Contains dairy.
– Flavor options may be limited for this specific age group formula.
User Impressions:
Parents of older boys and teens find this product invaluable for supporting their active lifestyles and growth spurts. They report that their kids enjoy the vanilla flavor, and they notice sustained energy and improved muscle development, especially in those involved in sports.
See it on Amazon here
9. TruHeight Kids Appetite Booster Gummies (Ages 2+) All…
Similar to JoySpring, TruHeight also offers an appetite booster, but in a fun gummy format! These pediatrician-recommended gummies are designed for toddlers, kids, and teens (ages 2+) to naturally increase appetite. Formulated with organic carrot extract, Vitamins B1, B12, and Zinc, they aim to make mealtime more enjoyable and ensure kids get essential nutrients for healthy growth and weight gain, without excessive sugar.
Key Features:
– Naturally BOOST APPETITE with organic carrot extract, Vitamins B1, B12, and Zinc.
– PERFECT FOR PICKY EATERS, promoting healthy metabolism and gut health.
– LOW SUGAR & GMO-FREE (35% less sugar), Gluten-Free, and No Artificial Flavors.
– Supports HEALTHY GROWTH & WEIGHT GAIN with fiber and digestive enzymes for overall well-being.
– DELICIOUS & EASY TO TAKE: just two gummies a day, 20-30 minutes before meals.
Pros:
– Gummy format is often more appealing to kids than liquid drops or powders.
– Low sugar content and free from common allergens/additives.
– Pediatrician-recommended and supports both appetite and digestion.
– Encourages consumption of a balanced diet rather than just providing calories.
Cons:
– Doesn’t directly provide protein, relies on increased food intake.
– Daily intake might require supervision to prevent overconsumption.
User Impressions:
Families love the ease and appeal of these gummies, reporting that even the pickiest eaters look forward to taking them. Many have seen a positive shift in their child’s willingness to try new foods and eat more substantial meals, making dinner time much less stressful.
See it on Amazon here
10. NutriKid Kids Healthy Protein Powder Shake- 36 Essential…
NutriKid offers a pediatrician-approved protein powder shake that’s packed with a remarkable 36 vitamins and minerals, specifically designed for early-stage development, cognitive boost, and overall well-being. Beyond just a protein source, it’s a comprehensive nutritional powerhouse that’s “picky kid approved” due to its amazing taste. With added digestive enzymes and probiotics, it’s gentle on the tummy and supports gut health.
Key Features:
– AMAZING TASTE – “picky kid approved” with several delicious flavors.
– PEDIATRICIAN APPROVED formula with 36 ESSENTIAL VITAMINS AND MINERALS for cognitive development, focus, and growth.
– GREAT ON THE TUMMY with a digestive enzyme blend and 4 Billion CFU of probiotics for gut health.
– SOY-FREE, GLUTEN-FREE, DYE-FREE, and no fillers.
– SNACK FRIENDLY and versatile for use in shakes, protein bars, yogurt, pancakes, and more.
Pros:
– Extremely comprehensive nutritional profile (36 vitamins and minerals).
– Includes probiotics and digestive enzymes for optimal gut health.
– Specifically designed to be gentle on sensitive stomachs.
– Highly versatile with appealing flavors, making it easy to incorporate.
Cons:
– Specific protein content per serving isn’t detailed in the provided features.
– Wide array of ingredients might not be suitable for children with very specific dietary restrictions beyond the listed ‘free-from’ items.
User Impressions:
Parents are often impressed by the extensive nutrient list and the fact that their children genuinely love the taste. The added digestive support is a big plus for kids with sensitive tummies, making it a well-rounded choice for overall health and healthy weight gain.
See it on Amazon here
FAQ Section
Q1: How much protein do kids actually need to gain weight healthily?
A1: The amount of protein a child needs varies by age, weight, and activity level. Generally, toddlers (1-3 years) need around 13g/day, and older children (4-8 years) need about 19g/day. For healthy weight gain, a pediatrician might recommend a slightly higher intake, often achieved through nutrient-dense foods and targeted supplements. Always consult with your child’s doctor or a registered dietitian for personalized recommendations.
Q2: Are protein powders and shakes safe for children?
A2: Yes, many protein powders and shakes are specifically formulated and deemed safe for children. It’s crucial to choose products designed for kids, as adult supplements often contain ingredients or concentrations unsuitable for growing bodies. Look for pediatrician-recommended brands, those with third-party testing, and clean ingredient lists free from excessive sugar, artificial additives, and unnecessary stimulants.
Q3: Can protein help picky eaters gain weight?
A3: Absolutely! Protein supplements or appetite boosters can be a game-changer for picky eaters. Shakes provide concentrated calories and nutrients in an easy-to-consume format, bypassing texture or flavor preferences. Appetite boosters, on the other hand, encourage children to eat more of their regular meals, promoting a broader intake of nutrients. The key is finding a tasty and enjoyable option your child will accept.
Q4: What key ingredients should I look for in a kid’s protein supplement?
A4: Look for high-quality protein sources like whey protein, casein, or plant-based proteins (pea, rice, soy if no allergies). Essential vitamins and minerals (Vitamin D, Calcium, Iron, Zinc, B vitamins), and healthy fats (like DHA omega-3) are also beneficial for growth. Opt for products with lower sugar content, no artificial flavors/colors/sweeteners, and ideally, those that are non-GMO and gluten-free if that’s a concern. Prebiotics and probiotics can also be a great addition for gut health.
Q5: What are some signs that my child might need help to gain weight?
A5: Signs might include being consistently below the 5th percentile for weight on growth charts, having very low energy levels, frequent illness, clothes becoming too loose, or a pediatrician expressing concern about their growth trajectory. If you notice these signs, it’s best to consult with your pediatrician to rule out any underlying medical conditions and discuss appropriate strategies for healthy weight gain.
Q6: How can I encourage healthy eating habits alongside protein supplements?
A6: Supplements are meant to complement, not replace, a balanced diet. Encourage healthy eating by offering a variety of nutrient-dense foods, involving your child in meal prep, making meal times positive and stress-free, and modeling good eating habits yourself. Focus on healthy fats (avocado, nuts, seeds), complex carbohydrates (whole grains), and plenty of fruits and vegetables.
Q7: Are there any potential side effects of protein supplements for kids?
A7: When used appropriately and chosen carefully, side effects are rare. However, excessive protein intake can sometimes lead to digestive upset (bloating, gas, constipation), or in very rare cases, stress on the kidneys. It’s crucial to follow serving size recommendations and discuss any concerns with your pediatrician, especially if your child has pre-existing health conditions.
Final Thoughts on Choosing the Best Protein for Kids to Gain Weight
Helping your child gain weight healthily is about providing them with the right fuel for their growing bodies. Whether you choose a comprehensive nutritional shake, a targeted protein powder, or an appetite-boosting gummy, the key is to find a product that aligns with your child’s specific needs, dietary preferences, and taste buds.
Remember, these supplements are powerful tools, but they work best when integrated into a balanced diet and an active lifestyle. Always chat with your pediatrician or a registered dietitian before introducing any new supplement to your child’s routine to ensure it’s the right choice for their unique health and growth journey.