Permanent product Record
OPTIMUM NUTRITION
Optimum Nutrition GOLD STANDARD 100% Casein
Optimum Nutrition GOLD STANDARD 100% Casein has a current Record. Last observed September 21, 2026. The current Nutrition Facts label on file prints 14 lines. Comparable formula history is not yet available.
THE SHORT ANSWER
Optimum Nutrition GOLD STANDARD 100% Casein's label was observed September 21, 2026. All 9 of its declared ingredient lines carry an amount. It costs $2.30 a serving (observed price, basis not established on Sep 21, 2026).
Current Record
The current declared formula.
Printed label wording stays separate from FormulaSignal's normalized identity. Current formula observed September 21, 2026.
Nutrition Facts as printed for Chocolate Supreme, observed September 21, 2026.
- Protein per serving
- 24 g in a 34 g serving
- Serving size
- 34g (About 1 Scoop)
- Servings per container
- 25
- Calories
- 120
- Total carbohydrate
- 4 g
- Total sugars
- 1 g
- Added sugars
- 0 g
- Total fat
- 1 g
- Declared protein sources
- Micellar Casein. In the order the ingredient statement lists them; the label gives no amount for each.
- Allergen statement
- “CONTAINS: MILK AND SOY.”
- Formula scope
- FLAVOR SPECIFIC
| Original label wording | Printed amount | Normalized identity |
|---|---|---|
| Calories | 120 kcal | calories |
| Total Fat | 1 g | total fat |
| Cholesterol | 15 mg | cholesterol |
| Sodium | 260 mg | sodium |
| Total Carbohydrate | 4 g | total carbohydrates |
| Dietary Fiber | 1 g | dietary fiber |
| Total Sugars | 1 g | total sugars |
| Includes Added Sugars | 0 g | added sugars |
| Protein | 24 g | protein |
| Calcium | 500 mg | calcium |
| Iron | 1.5 mg | iron |
| Potassium | 230 mg | potassium |
| Magnesium | 85 mg | magnesium |
| Zinc | 11 mg | zinc |
Serving economics
Facts and calculations stay labeled.
- Captured commercial fact
- Observed price, basis not established: $57.49
- Price observation
- September 21, 2026
- Captured commercial serving count
- 25 servings per container
- Deterministic calculation
- $57.49 ÷ 25 = $2.30 per serving
- Price per gram of protein
- $0.096 per gram of protein. FormulaSignal calculated this from $2.30 per serving and 24 g of protein per serving. The brand does not print it.
Historical timeline
Comparable formula states.
Dates below are observation dates. They are not exact reformulation dates.
Historical formula evidence is not yet sufficient for a reliable comparison. This does not establish that the product never changed.
Confirmed Signals
Reviewed changes in the public Record.
No confirmed public Signal is associated with this product. This is not a claim that the product never changed.
Research-dose context
Selected evidence, not a universal effective dose.
These comparisons retain the studied protocol, source, and limitations. They do not establish safety, effectiveness, or a dose recommendation for this product.
Qualifying research context is unavailable for the current public formula.
Cautions and regulatory records
A filing and a documented risk are not the same thing.
These attach to declared ingredients, not to this product as a whole. Nothing here establishes that the product is safe or unsafe. Talk with a qualified health professional.
No documented caution is recorded against the declared ingredients on this Record. That is not a finding that the product is safe.
Where the sources disagree
What we could not read cleanly.
A disagreement between sources is recorded rather than smoothed into one confident number. None of these is a Signal.
No source conflict is recorded on this Record. That is not a claim that every source agrees, only that none we read disagreed.
Questions
Optimum Nutrition GOLD STANDARD 100% Casein: common questions
What are the ingredients in Optimum Nutrition GOLD STANDARD 100% Casein?
The label observed September 21, 2026 declares 9 lines. The actives: Cholesterol (15 mg), Dietary Fiber (1 g), Protein (24 g), Iron (1.5 mg). Vitamins, minerals and electrolytes are in the full table.
How much does Optimum Nutrition GOLD STANDARD 100% Casein cost per serving?
$2.30: $57.49 for 25 servings, observed September 21, 2026 (observed price, basis not established). About $49.83 a month at five uses a week.
Has Optimum Nutrition GOLD STANDARD 100% Casein changed its formula?
FormulaSignal has not confirmed a change. That is a statement about the evidence on file, not a finding that the formula never changed.
Is Optimum Nutrition GOLD STANDARD 100% Casein good?
FormulaSignal does not score products or say whether one works. What the label shows: 9 of 9 ingredient lines disclose an amount; and at $2.30 a serving it ranks 95 of 113 covered products with an observed price, cheapest first. Whether it suits you depends on your budget and what you avoid.
Evidence
Audit the material claims.
Optimum Nutrition
P1 current formula source · observed September 21, 2026 · accessed September 21, 2026
Open source evidenceOptimum Nutrition
P1 commercial capture · observed September 21, 2026 · accessed September 21, 2026
Open source evidence
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