Sport, Whey Protein Isolate, Unflavored, 1 lb (454 g)

Name: Sport, Whey Protein Isolate, Unflavored, 1 lb (454 g)
Brand: California Gold Nutrition
Rating: 3.5 (1 reviews)

What We Researched

15 active ingredients analyzed · 2 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026

Product Score Fair

Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

Ingredient	Amount	% DV
Vitamin D	0 mcg	0%
Calcium	120 mg	10%
Iron	0 mg	0%
Potassium	130 mg	2%

Bioavailability Very Good

Absorption Rating

Vitamin D Good
Calcium Good
Iron Fair
Potassium Good

Other Ingredients Excellent

Fillers & Additives

Whey Protein Isolate
Sunflower Lecithin

Efficacy Very Poor

Dosage Analysis

Vitamin D 0 mcg Under-dosed
Calcium 120 mg Under-dosed
Iron 0 mg Under-dosed
Potassium 130 mg Under-dosed

Supplement Facts

Ingredient	Amount	% Daily Value
Calories	120
Total Fat	0 g	0%
Saturated Fat	0 g	0%
Trans Fat	0 g
Cholesterol	15 mg	5%
Sodium	55 mg	2%
Total Carbohydrate	0 g	0%
Dietary Fiber	0 g	0%
Total Sugars	0 g
Includes 0 g Added Sugars		0%
Protein	27 g	55%
Vitamin D	0 mcg	0%
Calcium	120 mg	10%
Iron	0 mg	0%
Potassium	130 mg	2%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Whey Protein Isolate Generally_safe

It is used as a protein source and to add bulk.

Sunflower Lecithin Safe

Helps mix oil and water-based ingredients. Allergen-free alternative to soy lecithin.

Price Comparison

iHerb $28.00 $1.87 / serving

Best Price

Price History

Tracked across major retailers. Updated periodically.

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

Transparency

5 claims

Third Party Testing Claim — Verified Source

Coa Availability — Verified Source

Testing Lab Disclosure — Claimed

In House Testing — Verified Source

Violation History

6 incidents

Recall California Gold Nutrition Daily Prenatal Multi, Ultamins Women's Multivitamin, and Ultamins Women's 50+ Multivitamin2025-06-26Source

Fda Warning Public health warning against the purchase and consumption of unregistered food supplement: CALIFORNIA GOLD NUTRITION Baby Liquid Vitamin D3.2025-01-10Source

Fda Warning Public health warning against the purchase and consumption of unregistered food product: CALIFORNIA GOLD NUTRITION Stabilized R-Lipolic Acid.2024-04-12Source

Fda Warning Public health warning against the purchase and consumption of unregistered food product: CALIFORNIA GOLD NUTRITION Silymarin Complex.2024-04-12Source

Fda Warning Public health warning against the purchase and consumption of unregistered food supplement: CALIFORNIA GOLD NUTRITION PQQ 20mg.2024-02-01Source

Fda Warning Public health warning against the purchase and consumption of unregistered food supplement: CALIFORNIA GOLD NUTRITION DAIRY ENZYMES.2019-09-26Source

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Frequently Asked Questions

Is California Gold Nutrition Sport, Whey Protein Isolate a good supplement?

California Gold Nutrition Sport, Whey Protein Isolate, Unflavored, 1 lb (454 g) received a product quality score of 70/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 15 active ingredients with 15 servings per container. Of the 2 inactive ingredients, 1 are rated safe and 0 are flagged for review. The manufacturer, California Gold Nutrition, holds a brand trust score of 79/100.

What are the ingredients in California Gold Nutrition Sport, Whey Protein Isolate?

California Gold Nutrition Sport, Whey Protein Isolate contains 15 active ingredients: Calories (120), Total Fat (0 g), Saturated Fat (0 g), Trans Fat (0 g), Cholesterol (15 mg), Sodium (55 mg), and 9 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is California Gold Nutrition Sport, Whey Protein Isolate safe to take?

California Gold Nutrition Sport, Whey Protein Isolate, Unflavored, 1 lb (454 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 California Gold Nutrition a trustworthy supplement brand?

California Gold Nutrition receives a brand trust score of 79/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2013 and headquartered in Irvine, California, United States, the company offers 406 products in their lineup. Note: California Gold Nutrition has 6 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.