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Best Protein Powder

Metabolic Nutrition

Protizyme

Metabolic Nutrition Protizyme is a whey blend protein powder with 25 g of protein per 1 scoop (35 g). It scores 43/100 on the TBPP Quality Score. We found no third-party testing certification.

No third-party testing foundProprietary blendAdded amino acids
Our score
43/100
Methodology v1.0
Protein
25g
1 scoop (35 g)
Sugar
1g
Per serving
Protein by weight
71%
Per serving
$3.08
$3.08 per 25 g protein

Nutrition per serving

Chocolate Cake flavor, from the label.

Nutrition per serving
Serving size1 scoop (35 g)
Protein25 g
Calories126
Carbohydrates2 g
Sugar1 g
Fat2 g
Sodium52 mg
Protein by weight71%
Leucine2.75 g
BCAAs5.6 g

How it scored

43 of 100 points. How we score

CriterionPointsWhy
Protein density22 / 3071% of each scoop is protein
Third-party testing0 / 25No verified independent testing program
Label transparency0 / 20uses a proprietary blend; adds free amino acids that inflate the protein number
Sugar10 / 101 g sugar per serving
Ingredient simplicity6 / 10Mix of natural and artificial flavors or sweeteners
Verified label data5 / 57 of 7 label values verified

Formula and label

Formula and label
TypeWhey Blend
Protein sourcesWhey Protein Isolate, Whey Protein Concentrate
Third-party testingNone found
SweetenersSucralose
Proprietary blendYes
Added free amino acidsYes
DietaryNone listed
AllergensMilk
Made byMetabolic Nutrition
Sold atMetabolic Nutrition (brand site)

Price

$79.99–$149.99 for 2 lb. About $3.08 per serving, or $3.08 per 25 g of protein.

Sizes: 2 lb, 4 lb

Flavors (6)

  • Vanilla Cake
  • Banana Creme
  • Peanut Butter Cookie
  • Strawberry Creme
  • Butter Pecan Cookie
  • Chocolate Cake

Sources

Nutrition, amino acid profile and ingredients from the brand's Chocolate Cake 2 lb label image (26 servings, 35 g scoop). Ingredients: a proprietary blend of ultra-microfiltered, enzymatically hi-absorption whey protein isolate and whey protein concentrate (with immunoglobulin fraction percentages), T.A.G. (trans-alanyl-glutamine), Maximum Potency Digestive Enzyme Complex (amylase, protease, cellulase, lactase, lipase, papain), low-fat cocoa powder, lecithin, xanthan gum, guar gum, natural and artificial flavors, sucralose. added_amino_acids true because of the added alanyl-glutamine. bcaa_g = leucine 2.75 + isoleucine 1.438 + valine 1.438 g. Allergen 'Milk' reflects the whey base; the label image has no allergen statement and the lecithin source is not named. Prices from brand page: 2 lb $79.99, 4 lb $149.99.

Good to know

Last checked 2026-10-13. 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.