🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade

Product Label

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Label Data

34.5 Gram(s) Serving Size
66 Servings
Amino acid/Protein Product Type
0% Evidence Coverage

Supplement Facts — Evidence Check

Calories
130 Calorie(s)
Total Fat
2 Gram(s) (3% DV)
Cholesterol
80 mg (27% DV)
Sodium
180 mg (8% DV)
Total Carbohydrates
2 Gram(s) (1% DV)
Protein
25 Gram(s) (50% DV)
Calcium
140 mg (10% DV)
Iron
Potassium
170 mg (4% DV)

Other Ingredients

Whey Protein Concentrate Whey Protein Isolate Natural Flavors Sunflower Lecithin Salt Xanthan Gum Sucralose Acesulfame Potassium Vanilla

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (99% of products) Structure/Function (85% of products) Nutrient (70% of products) Approved Health (4% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

When to take C4 Whey Protein for best results: During the day Intra-Workout Post-Workout

Recommended use: Mix 1 serving in 6 fl. oz. of water, milk, or dairy alternative, and shake well. For best results, take C4 Whey Protein daily.

⚠️ Warnings & Precautions

Contains: Milk

Notice: Use this product as a food supplement only. Do not use for weight reduction.

Keep out of reach of children.

🧪 Formulation Notes

C4 Whey Protein is packed to the brim with explosive flavor, 25 grams of high-quality whey protein, zero grams of added sugars, and 130 calories, to bring your recovery game to the next level.

To build muscle and support muscle recovery, it is critical to consume adequate quantities of protein each day through nutrition and supplementation. It is fundamentally important for performance, physique goals, and is an easy, convenient way to keep your nutrition on-track. No matter where you are in your fitness journey, a good protein powder is a key staple. C4 Whey Protein was crafted with best-in-class ingredients and flavors to make your protein goals easier to achieve in the most delicious way.

Vanilla Bean Naturally flavored with other natural flavors

Supports muscle recovery

25 g protein 130 calories

0 g added sugar

Protein Powder Drink Mix

Made in the U.S.A. using strategically sourced foreign and domestic ingredients and components.

Additional Information

Minimum fill line after settling. This product is sold by weight, not volume. The density of the powder varies, and significant settling of powder may occur during shipping and handling. This product contains the servings indicated when measured by weight.

From the #1 Global Pre-Workout Brand, C4 now brings you a protein that hits just as hard as our Pre-Workout. Based on cumulative global sales of C4 branded pre-workout products

Store in a cool, dry place.

NSF Contents Certified

Instagram @cellucor

Product Details

UPC / SKU 8 42595 13584 8
DSLD Entry Date 2025-09-25
Product Type Amino acid/Protein
Form Powder
Brand Cellucor
DSLD ID 335130
Data Updated 2026-04-11

Research Evidence

872 Research Sources
53 Avg Quality Score
309 Meta Analysis
309 Clinical Trial
111 Rct
71 Systematic Review
55 Guideline
4 Cochrane Review
4 Regulatory Source
2 Other
2 Narrative Review
2 Observational
1 Openfda Safety
A Vitamin D and vitamin D analogues for preventing fractures associated with involutional and post-menopausal osteoporosis
Meta Analysis The Cochrane database of systematic reviews 2009
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2014
A Vitamin D and vitamin D analogues for preventing fractures in post-menopausal women and older men
Meta Analysis The Cochrane database of systematic reviews 2014
A Vitamin D supplementation for prevention of cancer in adults
Meta Analysis The Cochrane database of systematic reviews 2014
A Interventions for preventing falls in older people in care facilities and hospitals
Meta Analysis The Cochrane database of systematic reviews 2018
A Drugs for preventing lung cancer in healthy people
Meta Analysis The Cochrane database of systematic reviews 2020
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2011
A High prevalence of vitamin D deficiency in Asia: A systematic review and meta-analysis
Meta Analysis Critical reviews in food science and nutrition 2023
A The effect of vitamin D supplementation on depressive symptoms in adults: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2023
A Interventions for preventing falls in older people living in the community
Meta Analysis The Cochrane database of systematic reviews 2009
View all evidence for Vitamin D →

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