Natural Factors Whey Factors®, Grass Fed Whey Protein, Natural Double Chocolate, 12 oz (340 g) supplement bottle
Natural Factors

Whey Factors®, Grass Fed Whey Protein, Natural Double Chocolate, 12 oz (340 g)

What We Researched
18 active ingredients analyzed · 1 inactive ingredient decoded · 5 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
77
Product Score Fair
88
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C 110 mg 122%
Calcium 115 mg 9%
Iron 0.7 g 4%
Phosphorus 115 mg 9%
Magnesium 24 mg 6%
Potassium 180 mg 4%
Whey Protein Concentrate (milk) (microfiltered, undenatured) 24.5 g **
Enzyme BlendBromelain (Ananas comosus)(pineapple stem), Protease (Aspergillus niger)(whole), Amylase (Aspergillus oryzae)(whole), Lipase (Rhizopus oryzae)(whole), Papain (Carica papaya)(fruit) 70 mg **
Stevia Leaf Powder 44 mg **
Bioavailability Very Good

Absorption Rating

  • Vitamin C Fair
  • Calcium Good
  • Iron Fair
  • Phosphorus Good
  • Magnesium Good
  • Potassium Good
  • Whey Protein Concentrate (milk) (microfiltered, undenatured) Good
  • Enzyme BlendBromelain (Ananas comosus)(pineapple stem), Protease (Aspergillus niger)(whole), Amylase (Aspergillus oryzae)(whole), Lipase (Rhizopus oryzae)(whole), Papain (Carica papaya)(fruit) Good
  • Stevia Leaf Powder Good
Other Ingredients Excellent

Fillers & Additives

  • Natural Chocolate Flavor
Efficacy Poor

Dosage Analysis

  • Vitamin C 110 mg Effective
  • Calcium 115 mg Under-dosed
  • Iron 0.7 g High
  • Phosphorus 115 mg Under-dosed
  • Magnesium 24 mg Under-dosed
  • Potassium 180 mg Under-dosed
  • Whey Protein Concentrate (milk) (microfiltered, undenatured) 24.5 g Under-dosed
  • Stevia Leaf Powder 44 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 110
Total Fat 2.5 g 3%‡
Saturated Fat 1.5 g 8%‡
Cholesterol 55 mg 18%
Total Carbohydrate 3 g 1%‡
Dietary Fiber 2 g 5%‡
Total Sugars 2 g **
Protein 18 g 36%‡
Vitamin C 110 mg 122%
Calcium 115 mg 9%
Iron 0.7 g 4%
Phosphorus 115 mg 9%
Magnesium 24 mg 6%
Sodium 50 mg 2%
Potassium 180 mg 4%
Whey Protein Concentrate (milk) (microfiltered, undenatured) 24.5 g **
Enzyme BlendBromelain (Ananas comosus)(pineapple stem), Protease (Aspergillus niger)(whole), Amylase (Aspergillus oryzae)(whole), Lipase (Rhizopus oryzae)(whole), Papain (Carica papaya)(fruit) 70 mg **
Stevia Leaf Powder 44 mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Natural Chocolate Flavor Generally_safe

It is used to add a chocolate flavor to supplements.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$24$23$22$21$20 Mar 12 $22.00
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Natural Factors

Founded 1950 · Coquitlam, British Columbia, Canada · 390 products · naturalfactors.com

Certifications

5 certifications
B Corp Certified Verified Source
Usp Verified Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Verified Source
In House Testing — Verified Source

Violation History

5 incidents
Prop 65 Lead2025-10-31Source
Recall Hi Potency B Complex, RevitalX, Super Multi® IRON FREE2024-07-19Source
Lawsuit Products labeled as containing glucosamine sulfate did not contain the ingredient.2021Source
Prop 65 Lead2016-01-13Source
Recall Natural Factors L-Arginine 500mg2006-04-05Source
Related Supplements
Frequently Asked Questions
Is Natural Factors Whey Factors®, Grass Fed Whey Protein a good supplement?

Natural Factors Whey Factors®, Grass Fed Whey Protein, Natural Double Chocolate, 12 oz (340 g) received a product quality score of 77/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 18 active ingredients with 12 servings per container. Of the 1 inactive ingredients, 0 are rated safe and 0 are flagged for review. The manufacturer, Natural Factors, holds a brand trust score of 88/100 with 5 verified certifications including B Corp Certified, Usp Verified, Fda Gmp Inspections, Non Gmo Project.

What are the ingredients in Natural Factors Whey Factors®, Grass Fed Whey Protein?

Natural Factors Whey Factors®, Grass Fed Whey Protein contains 18 active ingredients: Calories (110), Total Fat (2.5 g), Saturated Fat (1.5 g), Cholesterol (55 mg), Total Carbohydrate (3 g), Dietary Fiber (2 g), and 12 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Natural Factors Whey Factors®, Grass Fed Whey Protein safe to take?

Natural Factors Whey Factors®, Grass Fed Whey Protein, Natural Double Chocolate, 12 oz (340 g) has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Natural Factors a trustworthy supplement brand?

Natural Factors receives a brand trust score of 88/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1950 and headquartered in Coquitlam, British Columbia, Canada, the company offers 390 products in their lineup. They hold 5 verified certifications including B Corp Certified, Usp Verified, Fda Gmp Inspections, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Natural Factors has 5 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.