BioStacks
Optimum Nutrition
Gold Standard 100% Casein (Chocolate Supreme)
Powder · 1 Scoop (34g) · 25 servings · $1.92/serving
Best for
Ingredients (5)
Casein Protein
100%Dose
24 g
Target
20–40 g
Form
—
Zinc
73%Dose
11 mg
Target
15–30 mg
Form
Not listed
Magnesium
85 mgTrace amount — not scored
Calcium
500 mgTrace amount — not scored
Iron
1.5 mgTrace amount — not scored
Nutrition
Calories, macros & sodium.
- Sodium260 mg
- Dietary Fiber1 g
Other Ingredients
No other ingredients listed
How to Take It
Take it anytime
Take with food — on an empty stomach it commonly causes nausea.
With food
Space it a couple of hours from Iron and Calcium
On the label
Mix about one scoop (33-34g) of the powder into 8-14 fluid ounces of cold water, milk, or other beverage. Stir, shake, or blend until dissolved.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$47.95
Near the median of 165 muscle supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.