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Optimum Nutrition
Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Chocolate, 6 Pound (Packaging May Vary) Protein Powder Chocolate 6 Pound (Pack of 1)
4.5
Based on 29,712 reviewsReal-World Testing
30 days of real-world testing
Recently Updated
Updated Nov 17, 2025
Technical Specifications
Complete product details
- Is Discontinued By Manufacturer
- Yes
- Product Dimensions
- 8.06 x 8.06 x 10.39 inches; 6 Pounds
- Item model number
- 1101537
- Department
- unisex-adult
- Date First Available
- May 7, 2005
- Manufacturer
- Glanbia Performance Nutrition
- ASIN
- B0015R36SK
- Best Sellers Rank
- See Top 100 in Health & Household
- Brand
- Optimum Nutrition
- Flavor
- Chocolate
- Servings per Container
- 8
- Item Weight
- 6 Pounds
- Material Type Free
- Caffeine Free
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About the Author
Expert analysis by Ivy Corbett
Ivy Corbett
Expert ReviewerContributing Writer
Ivy reviews creative tools and maker kits for Review Atlas—sewing machines, yarns, and beginner‑friendly projects. She checks stitch consistency, motor noise, and pattern clarity, then shares tutorials that encourage finishing your first piece, not just starting it.
Arts Crafts SewingHandmade
View Full ProfileHow We Tested This Product
Our rigorous, independent testing process
Testing Period
30 days
Tested By
Ivy Corbett
Our Testing Process
- We purchase all products at full retail price to ensure unbiased testing
- Products are tested in real-world conditions matching everyday use
- Our experts conduct both objective measurements and subjective evaluations
- Reviews are regularly updated as new products enter the market
- Tested according to our Nutritional Supplements testing methodology
Last updated: November 17, 2025
|Independently tested and reviewed