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Optimum Nutrition Gold Standard 100% Whey Protein Powder Calories
High-protein whey blend
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
Quick answer
1 serving (medium) of Optimum Nutrition Gold Standard 100% Whey Protein Powder (31 g) has 120 calories. That works out to 387 calories per 100 g. It contains 3 g of carbs, 24 g of protein, 1 g of fat and 0 g of fiber. Its 129.9 mg of Calcium covers 13% of the Daily Value. Its glycemic index is 20 (low), so it raises blood sugar slowly.
Optimum Nutrition Gold Standard 100% Whey Protein Powder Nutrition Facts
Selected: 1 serving (medium) · 31 g
120
KCAL / 31G
Carbs
3g
· 1% DV
Protein
24g
· 48% DV
Fat
1g
· 1% 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 10% · Protein 82% · Fat 8%
Optimum Nutrition Gold Standard 100% Whey Protein Powder nutrition facts table · 1 serving (medium) (31 g)
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 120 kcal | |
| Total fat | 1 g | 1% |
| Saturated fat | 0.6 g | 3% |
| Trans fat | 0.02 g | |
| Sodium | 130 mg | 6% |
| Total carbohydrate | 3 g | 1% |
| Fiber | 0 g | 0% |
| Protein | 24 g | 48% |
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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How Many Calories in 1 Serving of Optimum Nutrition Gold Standard 100% Whey Protein Powder?
| Serving | Amount | Calories |
|---|---|---|
| 1 serving (medium) | 31 g | 120 kcal |
| 1 tablespoon (thin) | 8 g | 31 kcal |
| 2 tablespoon (medium) | 16 g | 62 kcal |
| 1 serving (large) | 46 g | 178 kcal |
| ½ cup (half) | 55 g | 213 kcal |
| 2 serving (double) | 62 g | 240 kcal |
| 3 serving (triple) | 93 g | 360 kcal |
| 100 g | 100 g | 387 kcal |
| 1 cup (whole) | 110 g | 426 kcal |
Calculated from 387 calories per 100 g.
Frequently Asked Questions About Optimum Nutrition Gold Standard 100% Whey Protein Powder
What is in Optimum Nutrition Gold Standard 100% Whey Protein Powder?
Optimum Nutrition Gold Standard 100% Whey Protein Powder is an ultra-processed powder made from whey proteins. Its blend commonly includes whey isolate and concentrate, along with flavorings, sweeteners, and emulsifiers; ingredients can vary by flavor and market, so the product label is the best guide to a specific tub.
How do you mix Optimum Nutrition Gold Standard 100% Whey Protein Powder?
Mix Optimum Nutrition Gold Standard 100% Whey Protein Powder with water or milk in a shaker bottle. Adding the powder after the liquid can help prevent clumps. Shake until smooth and drink soon after mixing rather than leaving the prepared shake sitting out.
When should you take Optimum Nutrition Gold Standard 100% Whey Protein Powder?
You do not have to take Optimum Nutrition Gold Standard 100% Whey Protein Powder immediately after a workout. Having it after exercise is convenient, but you can also use it at another time when a meal or snack would otherwise leave your protein intake short.
Is Optimum Nutrition Gold Standard 100% Whey Protein Powder better with water or milk?
Either works. Water makes a lighter shake, while milk gives it a creamier texture and makes the drink more filling. Choose based on taste and how you want the shake to fit into your day; milk also adds its own nutrients and energy.
Can you use Optimum Nutrition Gold Standard 100% Whey Protein Powder if you are lactose intolerant?
It may not suit everyone with lactose intolerance because whey concentrate can contain lactose. The amount can vary by formulation, and some people notice digestive symptoms. If lactose reliably causes you problems, choose a product you tolerate instead of assuming this blend is lactose-free.
Does Optimum Nutrition Gold Standard 100% Whey Protein Powder help build muscle?
Yes, it can help you meet your protein needs, which supports muscle growth when paired with progressive resistance training. The powder itself does not build muscle without training, and it is not necessary if your regular meals already provide enough protein.
Can Optimum Nutrition Gold Standard 100% Whey Protein Powder help with weight loss?
It can be useful as a filling, protein-rich option, but it does not cause weight loss on its own. Using it in place of a less filling snack may help some people manage their intake; adding it on top of usual meals may not.
Can Optimum Nutrition Gold Standard 100% Whey Protein Powder cause acne?
It may worsen acne in some people, but this does not happen to everyone and the evidence is not conclusive. If you notice a consistent flare after using Optimum Nutrition Gold Standard 100% Whey Protein Powder, stop it for a while and see whether your skin improves.
How can you tell if Optimum Nutrition Gold Standard 100% Whey Protein Powder is genuine?
No single packaging detail proves that a tub is genuine. Buy Optimum Nutrition Gold Standard 100% Whey Protein Powder from an authorized retailer, check that the seal and printing look intact, and contact the brand through its official channels if the packaging or product seems suspicious.
Is Optimum Nutrition Gold Standard 100% Whey Protein Powder safe for people with kidney disease?
People with kidney disease may need to limit or adjust their protein intake, so this powder may not be appropriate for them. Ask your doctor or dietitian before using it, especially if you have been given a specific protein target.
Optimum Nutrition Gold Standard 100% Whey Protein Powder Vitamins & Minerals
Vitamins
B2
0.06mg · 5% DV
B12
0.06µg · 3% DV
B5
0.1mg · 2% DV
Biotin
0.25µg · 1% DV
Minerals
Calcium
130mg · 13% DV
Phosphorus
90mg · 13% DV
Selenium
4.34µg · 8% DV
Sodium
130mg · 6% DV
Potassium ⭐
160mg · 5% DV
Optimum Nutrition Gold Standard 100% Whey Protein Powder 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 100% Whey Protein Powder
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 100% Whey Protein Powder?
Optimum Nutrition Gold Standard 100% Whey Protein Powder is a flavoured powdered supplement made from whey, the liquid left over when milk is turned into cheese. It is designed to be mixed into a drink, usually with water or milk, and can also be stirred into oats, yoghurt or a smoothie.
Its flavour depends on the variety, while the texture is generally smooth when shaken or blended well. In gyms and homes around the world, people often use it after a workout or add it to breakfast when they want a convenient protein-rich option. It provides 77.4 g of protein per 100 g. Mix it with water for a lighter drink, or use milk and fruit for a more filling shake.
How Nutritious Is Optimum Nutrition Gold Standard 100% Whey Protein Powder?
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
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.
Is Optimum Nutrition Gold Standard 100% Whey Protein Powder 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 100% Whey Protein Powder Contain Allergens?
Contains these allergens:
Which Diets Is Optimum Nutrition Gold Standard 100% Whey Protein Powder Good For?
Vegan
— Not suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
— Not suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
Optimum Nutrition Gold Standard 100% Whey Protein Powder Fat Profile
SATURATED
0.6g
MONOUNSATURATED
0.22g
POLYUNSATURATED
0.05g
Omega 6:3 ratio 4:1
Below the ideal 4:1 — a good omega balance.
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Nutrition data compiled from USDA FoodData Central and scientific sources.