Why a Protein Shake, Not Just a Multivitamin
Protein is a genuinely common gap for picky-eater kids — not because meat and dairy don't exist, but because getting a growing child to eat enough of them consistently is a real, everyday challenge. This chocolate version uses whey and milk protein concentrate, which — unlike the pea-and-rice-based Vanilla flavor — is not vegan or dairy-free, but does deliver a complete amino acid profile in a familiar, well-studied protein source.
Beyond protein, the formula layers in a broad micronutrient blend: calcium and magnesium sourced from Aquamin™, a marine algae mineral complex, alongside Vitamin D3 and K2 for absorption, Omega-3-6-9 from flaxseed, and the DE111® probiotic strain for digestion.
What's Actually Inside
| Category | Details |
|---|---|
| Active ingredients | Protein (Whey + Milk Protein Concentrate, 10g/serving), Vitamin A, C, D, E, K, full B-Complex (Thiamine, Riboflavin, Niacin, B6, Folate, B12, Biotin, Pantothenic Acid), Choline, Calcium (plant-based, Aquamin™), Iron, Phosphorus, Iodine, Magnesium (plant-based, Aquamin™), Zinc, Selenium, Copper, Chloride, Sodium, Potassium, Organic Flax Seed Powder (Omega 3-6-9), L-Taurine, Inositol Hexanicotinate, L-Arginine, Bacillus subtilis DE111® (1 Billion CFU probiotic), Eucommia Bark Extract |
| Other ingredients | Whey Protein Concentrate, Chocolate Bean Powder Processed with Alkali, Organic Evaporated Cane Sugar, Milk Protein Concentrate, Guar Gum Powder, Natural Flavor, Potassium Chloride, Silicon Dioxide, Rebaudioside A (Stevia Leaf Extract), Sucralose |
| Allergens | Contains Milk |
| Not recommended for | Baking or cooking — heat above 212°F (100°C) degrades Vitamins A, B, C, and Calcium |
Lighter on sugar than a typical chocolate shake. Rather than relying on sugar alone for that chocolate taste, this formula blends a small amount of Organic Evaporated Cane Sugar with Stevia Leaf Extract and Sucralose — landing at just 2g of added sugar per serving, well below what most flavored kids' shakes on the shelf carry. It's a sensible way to keep the treat-like taste kids want without loading up on sugar.
Key Benefits at a Glance
The Science: What the Clinical Trial Actually Shows
This is worth walking through carefully, since it's the product's headline claim. NuBest sponsored a real, registered clinical trial — NCT06704178, a 6-month, randomized, double-blind, placebo-controlled study run by Citruslabs — comparing NuBest Tall Growth Protein Powder against a placebo in children, with parent questionnaires and cognitive/height-weight measurements at intervals. The trial's existence and registration are genuine and verifiable.
Where care is needed is in how the results are communicated. NuBest's own published summary of the trial reports outcomes largely as parent-reported survey percentages — 88% of parents would recommend the product, 66.67% reported improved digestion, and similar figures for focus and strength. The product page's claim that the study "significantly improved children's height growth" is a stronger, more specific statement than "88% of parents would recommend it," and it isn't clear from the publicly available summary materials whether that height claim rests on independently measured, statistically analyzed anthropometric data (actual height measurements compared between groups) or is itself drawn from the same parent-reported questionnaire data. Before republishing the specific "significantly improved height growth" language, it would be worth pulling the full peer-reviewed trial report to confirm exactly which endpoints reached statistical significance and how they were measured.
What this means in practice: a registered RCT behind a kids' supplement is a genuine point in this product's favor — most competitors have nothing comparable. But "clinically tested" and "significantly improved height growth" are two different claims, and only the first is unambiguously supported by what's publicly available. Worth verifying the underlying data before using the height-specific claim in any content that needs to hold up to scrutiny.
How to Use It
Ages 3–4
Take ½ scoop daily, mixed into 6–8oz of water, milk, or a smoothie.
Ages 4+ & teens
Take 1 full scoop daily, shaken well with your child's preferred liquid.
After mixing
Refrigerate any leftover shake and use within 24 hours; reseal the powder and store in a cool, dry place.
Who Should Check With a Doctor First
Frequently Asked Questions
How is this different from the Vanilla flavor?
Per NuBest's own FAQ: Chocolate is for kids 3+ using whey and milk protein (15 servings, higher iron and sodium); Vanilla is for kids 4+, especially vegans, using pea and rice protein (10 vegan servings, higher potassium).
Can I bake with this powder?
NuBest specifically advises against it — Vitamins A, B, C, and Calcium are heat-sensitive and lose effectiveness above 212°F (100°C). No-bake recipes like energy bites or overnight oats are their recommended alternative.
Is the clinical trial legitimate?
Yes — NCT06704178 is a real, registered randomized controlled trial. What's worth double-checking directly is whether specific claims like "significantly improved height growth" are drawn from objectively measured data or from the same parent-reported survey questions used for the other reported percentages.
What can I mix it with besides water?
Milk, smoothies, or yogurt all work well per NuBest's own suggestions — useful for turning it into a more substantial snack rather than just a drink.





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