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Fine, light cocoa-brown powder with a soft, slightly clumpy texture, gathered in a small mound.
●Low GI
⚡High Potassium
💪High Protein
Optimum Nutrition· all products

ON Optimum Nutrition Hydrowhey Chocolate Flavor Calories

Hydrolyzed whey protein, low sugar, chocolate flavor, fast absorption

CALORIES · 100 G

370kcal

GI

25low

POTASSIUM · 100 G

400mg

FIBER · 100 G

2g

Quick answer

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.

ON Optimum Nutrition Hydrowhey Chocolate Flavor Nutrition Facts

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%

ON Optimum Nutrition Hydrowhey Chocolate Flavor nutrition facts table · 1 serving (medium) (39 g)

NutrientAmount% DV
Calories144 kcal
Total fat1.2 g2%
Saturated fat0.59 g3%
Trans fat0 g
Sodium78 mg3%
Total carbohydrate2.7 g1%
Fiber0.8 g3%
Protein29.6 g59%

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 ON Optimum Nutrition Hydrowhey Chocolate Flavor?

ServingAmountCalories
1 serving (medium)39 g144 kcal
1 tablespoon (medium)10 g37 kcal
1 slice (thin)15 g56 kcal
2 tablespoon (large)20 g74 kcal
1 serving (small)26 g96 kcal
1 serving (large)52 g192 kcal
100 g100 g370 kcal
1 cup (medium)100 g370 kcal
1 pack (jumbo)780 g2886 kcal

Calculated from 370 calories per 100 g.

Frequently Asked Questions About ON Optimum Nutrition Hydrowhey Chocolate Flavor

What makes ON Optimum Nutrition Hydrowhey Chocolate Flavor different from regular whey protein?

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.

Can you take ON Optimum Nutrition Hydrowhey Chocolate Flavor on rest days?

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.

Can you mix ON Optimum Nutrition Hydrowhey Chocolate Flavor with creatine?

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.

Does ON Optimum Nutrition Hydrowhey Chocolate Flavor taste good with water?

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.

Can ON Optimum Nutrition Hydrowhey Chocolate Flavor cause bloating?

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.

Can you bake with ON Optimum Nutrition Hydrowhey Chocolate Flavor?

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.

Is ON Optimum Nutrition Hydrowhey Chocolate Flavor lactose-free?

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.

How should you store ON Optimum Nutrition Hydrowhey Chocolate Flavor after opening?

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.

Can ON Optimum Nutrition Hydrowhey Chocolate Flavor replace a meal?

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.

Is ON Optimum Nutrition Hydrowhey Chocolate Flavor worth choosing over standard whey?

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.

ON Optimum Nutrition Hydrowhey Chocolate Flavor Vitamins & Minerals

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

ON Optimum Nutrition Hydrowhey Chocolate Flavor Glycemic Index

GLYCEMIC INDEX

25
Low
0 Low5570100

GLYCEMIC LOAD

0.8
Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off ON Optimum Nutrition Hydrowhey Chocolate Flavor

To burn the 144 calories in 1 serving (medium) (39 g):

🚶

36min

Walking (5 km/h)

🏃

15min

Running (8 km/h)

🚴

20min

Cycling

🏊

17min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is ON Optimum Nutrition Hydrowhey Chocolate Flavor?

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.

How Nutritious Is ON Optimum Nutrition Hydrowhey Chocolate Flavor?

Nutrient density

High

60/ 100

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

43/ 100

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 ON Optimum Nutrition Hydrowhey Chocolate Flavor 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 ON Optimum Nutrition Hydrowhey Chocolate Flavor Contain Allergens?

Contains these allergens:

Gluten free
Dairy yes
Eggs free
Peanuts free
Tree nuts free
Fish free
Soy yes
Sesame free

Which Diets Is ON Optimum Nutrition Hydrowhey Chocolate Flavor Good For?

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

ON Optimum Nutrition Hydrowhey Chocolate Flavor Fat Profile

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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Have another question about ON Optimum Nutrition Hydrowhey Chocolate Flavor?

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Nutrition data compiled from USDA FoodData Central and scientific sources.