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#7 in Protein Powders Third-Party Tested
Optimum Nutrition Gold Standard 100% Casein Chocolate
by Optimum Nutrition
"Slow-digesting micellar casein for sustained amino acid delivery"
Amazon Rating
4.5/5
Reviews
18,900
Price Range
$34.99 - $42.99
Servings
28
Informed SportBanned Substance Tested
Our Editorial Rating
8.8
Very Good
Overview
Gold Standard Casein provides 24g of slow-digesting micellar casein per serving. Casein forms a gel in the stomach, releasing amino acids over 6-8 hours. This makes it ideal for nighttime use or between meals when sustained protein delivery is desired.
Key Ingredients
| Ingredient | Amount |
|---|---|
| Micellar Casein | 24g protein |
| BCAAs | Included |
| Glutamine | Included |
3 ingredients linked to detailed encyclopedia profiles
Pros & Cons
What We Like
- Slow 6-8 hour amino acid release
- 24g protein per serving
- Thick pudding-like texture
- Gold Standard quality
What Could Be Better
- Thick texture not for everyone
- Contains dairy
- Only 28 servings
Who Is This For?
Best For
- Nighttime protein
- Between-meal protein
- Those wanting sustained release
Not Ideal For
- Post-workout (too slow)
- Lactose intolerant
- Those preferring thin shakes
Our Verdict
8.8/10 — Very Good
The gold standard for casein protein. The slow-digesting micellar casein is perfect for nighttime use, providing sustained amino acid delivery while you sleep.
Alternatives to Consider
No direct alternatives listed for this product yet.
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