Ready & Packaged Foods
All →Vegetables & Legumes
All →Desserts & Confectionery
All →Meat & Protein
All →Grains & Bakery
All →Beverages
All →Milk & Dairy
All →
Optimum Nutrition Gold Standard Whey Protein Calories
24 g protein per serving
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
Quick answer
1 serving (medium) of Optimum Nutrition Gold Standard Whey Protein (31 g) has 120 calories. That works out to 387 calories per 100 g. It contains 3.1 g of carbs, 24.8 g of protein, 1 g of fat and 1 g of fiber. Its 129.9 mg of Calcium covers 13% of the Daily Value. Its glycemic index is 15 (low), so it raises blood sugar slowly.
Optimum Nutrition Gold Standard Whey Protein Nutrition Facts
Selected: 1 serving (medium) · 31 g
120
KCAL / 31G
Carbs
3.1g
· 1% DV
Protein
24.8g
· 50% DV
Fat
1g
· 1% DV
Fiber
1g
· 4% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 10% · Protein 82% · Fat 8%
Optimum Nutrition Gold Standard Whey Protein nutrition facts table · 1 serving (medium) (31 g)
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 120 kcal | |
| Total fat | 1 g | 1% |
| Saturated fat | 0.5 g | 3% |
| Trans fat | 0 g | |
| Sodium | 130 mg | 6% |
| Total carbohydrate | 3.1 g | 1% |
| Fiber | 1 g | 4% |
| Protein | 24.8 g | 50% |
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.
Log this food in EatBetter
100,000+ people use it
- Get your daily calorie target
- Snap your meal, log it in seconds
- See every vitamin and mineral
📸 Scan the code to get the app free.
How Many Calories in 1 Serving of Optimum Nutrition Gold Standard Whey Protein?
| Serving | Amount | Calories |
|---|---|---|
| 1 serving (medium) | 31 g | 120 kcal |
| 1 tablespoon (medium) | 8 g | 31 kcal |
| 2 tablespoon (double) | 16 g | 62 kcal |
| 1 pack (medium) | 31 g | 120 kcal |
| 1 serving (large) | 46 g | 178 kcal |
| 2 serving (double) | 62 g | 240 kcal |
| 3 serving (triple) | 93 g | 360 kcal |
| 100 g | 100 g | 387 kcal |
Calculated from 387 calories per 100 g.
Frequently Asked Questions About Optimum Nutrition Gold Standard Whey Protein
How do you mix Optimum Nutrition Gold Standard Whey Protein?
Mix Optimum Nutrition Gold Standard Whey Protein with the liquid and serving amount stated on its label, then shake until smooth. Adding the liquid to the shaker first can help prevent clumps; a blender also works for smoothies.
Does Optimum Nutrition Gold Standard Whey Protein contain creatine?
No, Optimum Nutrition Gold Standard Whey Protein is a whey protein supplement, not a creatine product. If you want to use creatine as well, it is generally mixed separately or added to a shake according to its own product directions.
Is Optimum Nutrition Gold Standard Whey Protein good after a workout?
Yes, Optimum Nutrition Gold Standard Whey Protein is a convenient way to get protein after training. It can support muscle repair alongside resistance exercise, but having enough protein across the day matters more than taking it immediately after your workout.
Can you use Optimum Nutrition Gold Standard Whey Protein for baking?
Yes, Optimum Nutrition Gold Standard Whey Protein can be added to pancakes, muffins, or other baked recipes. Heat can change the texture and make the result drier, so replace only part of the flour and add enough liquid to balance the batter.
Is Optimum Nutrition Gold Standard Whey Protein lactose-free?
No, Optimum Nutrition Gold Standard Whey Protein is not lactose-free. It contains whey ingredients from milk, and the presence of whey isolate does not mean all lactose has been removed; people with lactose intolerance may still react to it.
Does Optimum Nutrition Gold Standard Whey Protein help build muscle?
Yes, Optimum Nutrition Gold Standard Whey Protein can help meet protein needs that support muscle growth when paired with progressive strength training. It does not build muscle on its own, and replacing meals with shakes is not a substitute for a balanced diet.
Can Optimum Nutrition Gold Standard Whey Protein help with weight loss?
It may help you meet protein needs while managing portions, but Optimum Nutrition Gold Standard Whey Protein does not cause weight loss by itself. Use it in place of a less filling snack if that suits your plan, rather than adding it on top of your usual intake.
Can Optimum Nutrition Gold Standard Whey Protein cause acne?
It may coincide with acne flare-ups in some people, but Optimum Nutrition Gold Standard Whey Protein is not proven to cause acne in everyone. If breakouts began after you started using it, pause it and see whether your skin changes.
Can Optimum Nutrition Gold Standard Whey Protein be mixed with coffee?
Yes, Optimum Nutrition Gold Standard Whey Protein can be mixed into coffee, though very hot coffee may make it clump. Stir the powder into a little cool liquid first, then add the coffee gradually for a smoother drink.
How many servings of Optimum Nutrition Gold Standard Whey Protein should you take a day?
There is no required number of servings of Optimum Nutrition Gold Standard Whey Protein; use it only to fill a gap in your food-based protein intake. Follow the label’s serving directions and count protein from meals as well as shakes.
Optimum Nutrition Gold Standard Whey Protein Vitamins & Minerals
Vitamins
B2
0.06mg · 5% DV
B12
0.06µg · 3% DV
B6
0.03mg · 2% DV
B5
0.06mg · 1% DV
Minerals
Calcium
130mg · 13% DV
Phosphorus
90mg · 13% DV
Sodium
130mg · 6% DV
Selenium
3.1µg · 6% DV
Potassium ⭐
160mg · 5% DV
Optimum Nutrition Gold Standard Whey Protein Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Optimum Nutrition Gold Standard Whey Protein
To burn the 120 calories in 1 serving (medium) (31 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.
What is Optimum Nutrition Gold Standard Whey Protein?
Optimum Nutrition Gold Standard Whey Protein is a powdered supplement made with whey protein, which comes from the liquid separated from milk during cheesemaking. It is sold in flavoured varieties and is designed to be mixed into drinks or added to foods rather than eaten on its own.
Mixed with water, it makes a lighter shake; milk gives it a creamier texture. People commonly have it after exercise, at breakfast or as a convenient addition to a smoothie. Each serving provides 24 g of protein, making it a concentrated way to add protein to your day. For a lighter drink, mix it with water; you can also stir it into oats or yoghurt, bearing in mind that flavour and sweetness vary by variety.
How Nutritious Is Optimum Nutrition Gold Standard Whey Protein?
Nutrient density
Medium
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
Satiety score
Medium
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.
Is Optimum Nutrition Gold Standard Whey Protein Processed?
NOVA 4
Ultra-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.
Does Optimum Nutrition Gold Standard Whey Protein Contain Allergens?
Contains these allergens:
Which Diets Is Optimum Nutrition Gold Standard Whey Protein Good For?
Vegan
— Not suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
— Not suitable
Paleo
— Not suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
Optimum Nutrition Gold Standard Whey Protein Fat Profile
SATURATED
0.5g
MONOUNSATURATED
0.25g
POLYUNSATURATED
0.09g
Omega 6:3 ratio 4:1
Below the ideal 4:1 — a good omega balance.
Compare Optimum Nutrition Gold Standard Whey Protein
Foods Similar to Optimum Nutrition Gold Standard Whey Protein
🥛
Whey protein
390 kcal
🥤
Fellas Whey Protein
390 kcal
🥤
Banana whey protein
380 kcal
🍪💪
Biscuit Flavored Whey Protein
390 kcal
🥤
Proteinocean whey protein
390 kcal
🥤
Protein Ocean Whey Protein
390 kcal
🏋️♂️
Bigjoy Whey Protein
390 kcal
🥤
Ocean whey protein
370 kcal
🍫💪
Fellas Chocolate Whey Protein
390 kcal
🥤
SSN Command Whey Protein
390 kcal
🥛
Isolate whey protein
370 kcal
🥤
Strawberry whey protein
370 kcal
Have another question about Optimum Nutrition Gold Standard Whey Protein?
Ask the AI nutrition coach — calories, portions, alternatives and more, answered in seconds in the app.
Scan calories with your camera
Instant AI nutrition analysis
Nutrition data compiled from USDA FoodData Central and scientific sources.