/ / Natural Factors Whey Factors Grass Fed Whey Protein Powder

Natural Factors Whey Factors Grass Fed Whey Protein Powder

Contains guar gum

This grass-fed whey powder provides 18 g protein per scoop and uses microfiltered, undenatured whey concentrate. It also contains natural vanilla flavor and guar gum, and contains milk.

Seed-oil freeNo added sugarNo artificial dyesNo artificial flavorsNo synthetic preservativesNo added nitritesNo phosphatesGrass-fedContains dairy
$28.95 12 oz · lowest price at Supplement First
Price and stock checked Oct 30, 2026
Key nutrition facts
100caloriesPer serving · 1 Scoop (26 g)
Protein
18g▲
Fiber
1g
Free sugar
1g
Sodium
50mg
Saturated fat
1.5g
▲ raises the score · ▼ lowers it · From the product label
Ingredients: Whey Protein Concentrate (milk) (microfiltered, undenatured), Bromelain (Ananas comosus) (pineapple stem), Protease (Aspergillus niger) (whole), Amylase (Aspergillus oryzae) (whole), Lipase (Rhizopus oryzae) (whole), Papain (Carica papaya) (fruit), Stevia Leaf Powder, Natural vanilla flavor, guar gum
78 / 100
Good Scored automatically
Weighted as beveragesHigh confidence · Scored on 11 of 11 inputs, 3 claims verified
Nutrition · counts 35%82
Ingredients · counts 30%96
Processing · counts 10%30
Sourcing · counts 10%70
Transparency · counts 15%70
Why it scores 78
Nutrition 82 · Compared with other drinks: more protein (18 g) per 1 Scoop
Ingredients 96 · Natural flavours (additive, −4); no dyes or artificial sweeteners
Processing 30 · Whey concentrate with enzymes, stevia, vanilla flavor and guar gum
Sourcing 70 · Grass-fed is stated, but whey origin and farm are not named
Transparency 70 · Full ingredient list and grass-fed claim; no named farm or certification
Contains guar gum
Contains natural vanilla flavor
Evidence behind the Ingredients deductions
Varies by additive−4 for natural flavours
Scored Oct 20, 2026 · Scoring guide v3.1 · Updated Oct 20, 2026 · See what changed

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Similar, for lessSame kind of food, scoring about as well or better, for less than $2.41/oz here
VitacostOrgain, Grass-Fed Whey™ Protein Powder, Creamy Chocolate Fudge, 1.82 lb (828 g)
75−3
$31.52 · $1.08/oz · 55% less per oz
Ingredients
Whey Protein Concentrate (milk) (microfiltered, undenatured) Bromelain (Ananas comosus) (pineapple stem) Protease (Aspergillus niger) (whole) Amylase (Aspergillus oryzae) (whole) Lipase (Rhizopus oryzae) (whole) Papain (Carica papaya) (fruit) Stevia Leaf Powder Natural vanilla flavor Guar gum
9 ingredients 2 to watch
Sourcing

Natural Factors Whey Factors Grass Fed Whey Protein Powder is a pure source of high-quality whey protein that provides support for muscle development and repair, as well as the immune system.*  Whey Factors mixes instantly and is a delicious, high-quality whey protein. It contains a minimum 3 g glutamic acid and 4 g branched-chain amino acids (BCAA) per serving. * Supplement Facts Serving Size: 1 Scoop (26g) Amount Per Serving … % Daily Value Calories … 100 Total Fat … 2g … 3%

Additives3 additives · 1 limited risk
Natural flavoursFlavouringLimited risk
An undisclosed mix of extracts and carriers; the label doesn’t say what’s in it or how it was made.
Guar gum (E412)ThickenerNo risk
A fibre from guar beans; EFSA considers it safe at normal intakes.
Stevia (steviol glycosides) (E960)SweetenerNo risk
Plant-derived and considered safe by EFSA and the FDA at normal intakes.
Matched from the ingredient list. Risk levels summarise findings from EFSA, the FDA, IARC and published studies; they explain a concern, not a diagnosis.

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