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Best Protein Powder

Metagenics

MetaKids Nutrition Powder

Kids · Ages 4–12

Metagenics MetaKids Nutrition Powder is a kids' brown rice protein powder (Ages 4–12) with 8 g of protein per 1 scoop (29 g). It scores 37/100 on the TBPP Quality Score. We found no third-party testing certification.

No third-party testing foundAdded amino acids
Our score
37/100
Methodology v1.0
Protein
8g
1 scoop (29 g)
Sugar
4g
Per serving
Protein by weight
28%
Per serving
$4.00
$12.49 per 25 g protein

Nutrition per serving

Chocolate flavor, from the label.

Nutrition per serving
Serving size1 scoop (29 g)
Protein8 g
Calories90
Carbohydrates13 g
Sugar4 g
Fat3 g
Sodium25 mg
Protein by weight28%
LeucineNot verified
BCAAsNot verified

How it scored

37 of 100 points. How we score

CriterionPointsWhy
Protein density6 / 3028% of each scoop is protein
Third-party testing0 / 25No verified independent testing program
Label transparency10 / 20adds free amino acids that inflate the protein number
Sugar6 / 104 g sugar per serving
Ingredient simplicity10 / 10Natural flavors and sweeteners
Verified label data5 / 57 of 7 label values verified

Formula and label

Formula and label
TypeBrown Rice
Made forKids (Ages 4–12, per the brand)
Protein sourcesRice Protein Concentrate
Third-party testingNone found
SweetenersOrganic Cane Sugar, Monk Fruit Extract
Proprietary blendNo
Added free amino acidsYes
DietaryGluten-Free, Non-GMO
AllergensNot verified
Made byMetagenics · USA
Sold atMetagenics (direct), Amazon

Price

$55.95 for 14 servings. About $4.00 per serving, or $12.49 per 25 g of protein.

Sizes: 14 servings (14.32 oz / 406 g)

Flavors (2)

  • Chocolate
  • Vanilla

Buying for a child

Age range from the brand: Ages 4–12. Most kids get enough protein from food, and our score is built for adult protein powders, so a kids' nutrition shake scores lower on protein density by design. Check with your pediatrician before adding a shake. What to look for in a kids' protein shake

Sources

Chocolate Supplement Facts from metagenics.com product page 2026-10-14 (SKU SHAKECKID): 1 scoop 29 g, 14 servings, 90 kcal, 3 g fat (1.5 g sat), 13 g carbs, 6 g fiber, 4 g total sugars incl. 2 g added sugars, 8 g protein, 25 mg sodium; plus 500 mg 2'-FL (HMO prebiotic), 200 mg added L-lysine, 75 mg algal DHA, 50 mg choline and a vitamin/mineral blend. Protein is rice protein concentrate with added L-lysine (brand: PDCAAS 1.0 for children). Sweetened with organic cane sugar and monk fruit extract; natural flavors. Brand directions: for children ages 4–12, one scoop in 8 oz water; it is a supplement ('foundation nutrition'), not labeled as a complete sole-source formula. No allergen statement shown on the brand page; choline bitartrate is encapsulated in hydrogenated vegetable oil that may include highly refined soybean oil, so allergens left null. Gluten-free and non-GMO per older label (NIH DSLD 216415, 2020; that older Chocolate label listed 100 kcal and 5 g fiber). Page carries a California Prop 65 lead warning. No caffeine listed (cocoa only). Price $55.95 (14 servings) on metagenics.com 2026-10-14; Vanilla flavor offered on the same page.

Good to know

Last checked 2026-10-14. Labels change, so check the package before buying if you have allergies. If you are pregnant, nursing or buying for a child, ask your doctor before adding a supplement.