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High-quality whey protein, popular for muscle growth and recovery
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
1 slice (medium) of Optimum Nutrition protein powder (30 g) has 117 calories. That works out to 390 calories per 100 g. It contains 2.4 g of carbs, 23.4 g of protein, 1.8 g of fat and 0 g of fiber. Its 105 mg of Phosphorus covers 15% of the Daily Value. Its glycemic index is 35 (low), so it raises blood sugar slowly.
Selected: 1 slice (medium) · 30 g
117
KCAL / 30G
Carbs
2.4g
· 1% DV
Protein
23.4g
· 47% DV
Fat
1.8g
· 2% DV
Fiber
0g
· 0% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 8% · Protein 78% · Fat 14%
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 117 kcal | |
| Total fat | 1.8 g | 2% |
| Saturated fat | 1.05 g | 5% |
| Trans fat | 0 g | |
| Sodium | 60 mg | 3% |
| Total carbohydrate | 2.4 g | 1% |
| Fiber | 0 g | 0% |
| Protein | 23.4 g | 47% |
Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.
Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.
Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.
Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.
Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.
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| Serving | Amount | Calories |
|---|---|---|
| 1 slice (medium) | 30 g | 117 kcal |
| 1 tablespoon (small) | 10 g | 39 kcal |
| 2 tablespoon (medium) | 20 g | 78 kcal |
| 1 serving (medium) | 32 g | 125 kcal |
| 1 slice (large) | 45 g | 176 kcal |
| 1 cup (large) | 80 g | 312 kcal |
| 100 g | 100 g | 390 kcal |
| 1 pack (jumbo) | 900 g | 3510 kcal |
Calculated from 390 calories per 100 g.
Optimum Nutrition protein powder is a whey-based supplement commonly used to add a convenient protein source to meals or snacks. The brand sells different formulas, so ingredients and protein types can vary between products.
The amount of Optimum Nutrition protein powder to use depends on how much protein you already get from food and the serving directions for your specific product. More scoops are not automatically better; use it to fill a gap rather than replace meals.
You can take Optimum Nutrition protein powder whenever it helps you meet your protein needs. Many people use it after a workout for convenience, but taking it immediately after exercise is not essential.
Yes, you can mix Optimum Nutrition protein powder with milk. It makes a creamier shake, while water produces a lighter one. If dairy tends to upset your stomach, mixing it with water may be more comfortable.
Optimum Nutrition protein powder can support muscle growth by helping you get enough protein, but it does not build muscle on its own. Progressive resistance training, adequate food, and recovery are also needed.
Standard Optimum Nutrition whey protein products are protein supplements, not creatine supplements. The brand has multiple product lines, so check the ingredient list of the specific product if you want to confirm whether it contains added creatine.
Optimum Nutrition Gold Standard 100% Whey is generally a blend of whey protein sources, including whey isolate, while a whey isolate product is centered on isolate. Formulas can differ by product and market, so compare the specific ingredient lists.
Yes, Optimum Nutrition protein powder can cause bloating in some people, particularly if they are sensitive to lactose in whey-based products or have a large serving at once. Symptoms can vary by formula and individual tolerance.
No, Optimum Nutrition protein powder is not a complete meal replacement. A shake can provide protein, but it may not supply the variety of foods and nutrients found in a balanced meal; use it as a supplement to food.
Buy Optimum Nutrition protein powder from an authorized retailer and check that the packaging seal is intact and the product details look consistent. Authentication features vary by market, so use the brand’s official verification instructions when available.
Vitamins
B2
0.18mg · 14% DV
B12
0.15µg · 6% DV
B1
0.06mg · 5% DV
B6
0.06mg · 4% DV
Minerals
Phosphorus
105mg · 15% DV
Calcium
135mg · 14% DV
Magnesium
18mg · 4% DV
Potassium ⭐
120mg · 4% DV
Sodium
60mg · 3% DV
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
To burn the 117 calories in 1 slice (medium) (30 g):
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
Optimum Nutrition protein powder is a packaged whey-based supplement, made to be mixed into a drink or added to food. Shaken with water or milk, it makes a smooth, milky shake; the flavour depends on the variety you choose.
People commonly use it after a workout, or stir it into breakfast foods such as oats or yoghurt. It is protein-rich, with 78 g of protein per 100 g. Mix it with water for a lighter shake, or blend it with milk and fruit when you want a more substantial snack.
High
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
Low
An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.
Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.
NOVA 3
Processed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
Contains these allergens:
Vegan
— Not suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
✓ Suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
SATURATED
1.05g
MONOUNSATURATED
0.36g
POLYUNSATURATED
0.09g
Omega 6:3 ratio 2:1
Below the ideal 4:1 — a good omega balance.
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Nutrition data compiled from USDA FoodData Central and scientific sources.