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Hydrolyzed whey protein, low sugar, chocolate flavor, fast absorption
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
1 serving (medium) of ON Optimum Nutrition Hydrowhey Chocolate Flavor (39 g) has 144 calories. That works out to 370 calories per 100 g. It contains 2.7 g of carbs, 29.6 g of protein, 1.2 g of fat and 0.8 g of fiber. Its 156 mg of Calcium covers 16% of the Daily Value. Its glycemic index is 25 (low), so it raises blood sugar slowly.
Selected: 1 serving (medium) · 39 g
144
KCAL / 39G
Carbs
2.7g
· 1% DV
Protein
29.6g
· 59% DV
Fat
1.2g
· 2% DV
Fiber
0.8g
· 3% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 8% · Protein 85% · Fat 7%
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 144 kcal | |
| Total fat | 1.2 g | 2% |
| Saturated fat | 0.59 g | 3% |
| Trans fat | 0 g | |
| Sodium | 78 mg | 3% |
| Total carbohydrate | 2.7 g | 1% |
| Fiber | 0.8 g | 3% |
| Protein | 29.6 g | 59% |
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 serving (medium) | 39 g | 144 kcal |
| 1 tablespoon (medium) | 10 g | 37 kcal |
| 1 slice (thin) | 15 g | 56 kcal |
| 2 tablespoon (large) | 20 g | 74 kcal |
| 1 serving (small) | 26 g | 96 kcal |
| 1 serving (large) | 52 g | 192 kcal |
| 100 g | 100 g | 370 kcal |
| 1 cup (medium) | 100 g | 370 kcal |
| 1 pack (jumbo) | 780 g | 2886 kcal |
Calculated from 370 calories per 100 g.
ON Optimum Nutrition Hydrowhey Chocolate Flavor uses hydrolyzed whey, meaning the protein has been broken into smaller peptides. This may make it digest faster, but it does not automatically produce better muscle gains than another whey protein when overall protein intake is similar.
Yes, ON Optimum Nutrition Hydrowhey Chocolate Flavor can be used on rest days if it helps you meet your protein needs. Your muscles recover between workouts, so protein intake is relevant on those days too; a shake is optional, not essential.
Yes, ON Optimum Nutrition Hydrowhey Chocolate Flavor can be mixed with creatine in the same drink. They serve different purposes—whey supplies protein, while creatine is a separate supplement—so follow the directions for each product.
Yes, ON Optimum Nutrition Hydrowhey Chocolate Flavor can be mixed with water for a lighter chocolate drink. For a creamier taste, use milk instead; chilling the drink or blending it with ice can also change the texture.
It can cause bloating or other digestive discomfort in some people, particularly if they are sensitive to dairy ingredients or certain sweeteners. Try a smaller amount first and stop using it if symptoms continue or become severe.
Yes, ON Optimum Nutrition Hydrowhey Chocolate Flavor can be added to recipes such as pancakes or baked snacks. Heating changes protein structure but does not make the protein disappear; it may make the result drier, so adjust the recipe’s liquid.
No, ON Optimum Nutrition Hydrowhey Chocolate Flavor is whey-based, and hydrolyzed whey is not automatically lactose-free. If you have lactose intolerance, check the current product details and avoid assuming that hydrolysis removes all lactose.
Keep ON Optimum Nutrition Hydrowhey Chocolate Flavor tightly sealed in a cool, dry place. Use a dry scoop and keep moisture out of the container to limit clumping and preserve the powder after opening.
No, ON Optimum Nutrition Hydrowhey Chocolate Flavor is a protein supplement, not a complete meal. A shake on its own may not provide the range of foods and nutrients found in a balanced meal, so use it to supplement meals rather than routinely replace them.
It may suit you if you specifically want hydrolyzed whey, but the hydrolyzed form does not guarantee better results. If a standard whey product already fits your needs and you tolerate it, comparing the ingredient list and cost can help you decide.
Vitamins
B2
0.2mg · 15% DV
B12
0.31µg · 13% DV
B6
0.12mg · 7% DV
B1
0.08mg · 7% DV
Minerals
Calcium
156mg · 16% DV
Phosphorus
98mg · 14% DV
Magnesium
23mg · 5% DV
Potassium ⭐
156mg · 5% DV
Sodium
78mg · 3% DV
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
To burn the 144 calories in 1 serving (medium) (39 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.
ON Optimum Nutrition Hydrowhey Chocolate Flavor is a chocolate-flavoured protein powder made with hydrolysed whey. It is mixed with water or milk to make a quick drink, rather than eaten as a meal on its own.
Its cocoa-like taste and smooth texture suit a post-workout shake or a convenient drink between meals. Mix it in a shaker with cold water for a lighter result, or use milk for a creamier shake; it can also be stirred into porridge or a smoothie. With 76 g of protein per 100 g and relatively little carbohydrate, it is a concentrated way to add protein when that fits your routine. Check the serving directions on the pack when preparing it.
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.
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.
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.
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
0.59g
MONOUNSATURATED
0.27g
POLYUNSATURATED
0.12g
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.