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Best Protein Powder

Natural Factors

Whey Factors Grass Fed Whey Protein

Natural Factors Whey Factors Grass Fed Whey Protein is a whey concentrate protein powder with 18 g of protein per 1 scoop (26 g). It scores 59/100 on the TBPP Quality Score. We found no third-party testing certification.

No third-party testing found
Our score
59/100
Methodology v1.0
Protein
18g
1 scoop (26 g)
Sugar
1g
Per serving
Protein by weight
69%
Per serving
$0.85
$1.18 per 25 g protein

Nutrition per serving

French Vanilla flavor, from the label.

Nutrition per serving
Serving size1 scoop (26 g)
Protein18 g
Calories100
Carbohydrates2 g
Sugar1 g
Fat2 g
Sodium50 mg
Protein by weight69%
LeucineNot verified
BCAAsNot verified

How it scored

59 of 100 points. How we score

CriterionPointsWhy
Protein density14 / 3069% of each scoop is protein
Third-party testing0 / 25No verified independent testing program
Label transparency20 / 20Fully disclosed formula, no amino spiking
Sugar10 / 101 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
TypeWhey Concentrate
Protein sourcesWhey Protein Concentrate
Third-party testingNone found
SweetenersStevia Leaf Powder
Proprietary blendNo
Added free amino acidsNo
DietaryGrass-Fed, Non-GMO, Vegetarian
AllergensMilk
Made byNatural Factors · Canada
Sold atNatural Factors (direct), Walmart

Price

$28.95–$61.95 for 2 lb. About $0.85 per serving, or $1.18 per 25 g of protein.

Sizes: 12 oz, 2 lb

Flavors (4)

  • French Vanilla
  • Double Chocolate
  • Strawberry
  • Unflavored

Sources

Nutrition from the Supplement Facts table on the brand's US page for Grass Fed Whey Protein French Vanilla (2 lb), 2026-10-14: 1 scoop 26 g, 34 servings, 100 kcal, 2 g fat, 2 g carbs (1 g fiber), 1 g sugars, 18 g protein, 50 mg sodium; whey protein concentrate 24.5 g (microfiltered, undenatured), enzyme blend 70 mg, stevia leaf powder 49 mg; other ingredients natural vanilla flavor, guar gum; contains milk. Brand states a minimum 4 g BCAAs per serving (a floor, so bcaa_g left null). Grass-fed, rBGH/GMO-free and no artificial sweeteners are brand claims; vegetarian from the brand's dietary tag. Prices on naturalfactors.com: 2 lb $61.95, 12 oz $28.95. The brand store lists Double Chocolate, French Vanilla and Strawberry; Unflavored is sold at Walmart and has DSLD labels (e.g. 282695). Natural Factors is headquartered in Canada.

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.