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Optimum Serious Mass Gainer Calories
High-calorie, protein and carbohydrate-rich mass gainer powder
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
Quick answer
2 slice (large) of Optimum Serious Mass Gainer (167 g) has 635 calories. That works out to 380 calories per 100 g. It contains 121.9 g of carbs, 25 g of protein, 6.7 g of fat and 3.3 g of fiber. Its 2.5 µg of B12 covers 104% of the Daily Value. Its glycemic index is 70 (high), so it raises blood sugar quickly.
Optimum Serious Mass Gainer Nutrition Facts
Selected: 2 slice (large) · 167 g
635
KCAL / 167G
Carbs
121.9g
· 44% DV
Protein
25g
· 50% DV
Fat
6.7g
· 9% DV
Fiber
3.3g
· 12% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 75% · Protein 15% · Fat 10%
Optimum Serious Mass Gainer nutrition facts table · 2 slice (large) (167 g)
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 635 kcal | |
| Total fat | 6.7 g | 9% |
| Saturated fat | 3.34 g | 17% |
| Trans fat | 0 g | |
| Sodium | 301 mg | 13% |
| Total carbohydrate | 121.9 g | 44% |
| Fiber | 3.3 g | 12% |
| Protein | 25 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.
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How Many Calories in 1 Slice of Optimum Serious Mass Gainer?
| Serving | Amount | Calories |
|---|---|---|
| 1 slice (medium) | 125 g | 475 kcal |
| 1 tablespoon (medium) | 15 g | 57 kcal |
| 1 slice (small) | 83 g | 315 kcal |
| 100 g | 100 g | 380 kcal |
| 1 cup (medium) | 100 g | 380 kcal |
| 2 slice (large) | 167 g | 635 kcal |
| 2 cup (large) | 200 g | 760 kcal |
| 1 serving (jumbo) | 334 g | 1269 kcal |
| 1 pack (whole) | 1250 g | 4750 kcal |
Calculated from 380 calories per 100 g.
Frequently Asked Questions About Optimum Serious Mass Gainer
Does Optimum Serious Mass Gainer help you gain weight?
Yes, Optimum Serious Mass Gainer can help you gain weight if it raises your daily energy intake above what your body uses. Whether that gain is mostly muscle depends on your training and overall eating pattern.
How do you mix Optimum Serious Mass Gainer without lumps?
Add Optimum Serious Mass Gainer gradually to water or milk and shake it well, or blend it. Starting with the liquid in the shaker can help prevent powder from sticking; follow the package directions for the serving.
Is Optimum Serious Mass Gainer better than whey protein for bulking?
Optimum Serious Mass Gainer may suit bulking better when you need extra energy as well as protein, because it is carbohydrate-rich. Whey protein is more focused on adding protein and is not a like-for-like substitute.
When should you take Optimum Serious Mass Gainer?
There is no required time to take Optimum Serious Mass Gainer. Have it between meals or after training if that fits your routine; a large shake right before exercise may feel uncomfortable for some people.
Can you take Optimum Serious Mass Gainer on rest days?
Yes, you can take Optimum Serious Mass Gainer on rest days if it helps you meet your planned intake. Your body still needs nutrition while recovering, but the shake is not necessary if you already get enough from meals.
Can Optimum Serious Mass Gainer cause bloating?
Yes, Optimum Serious Mass Gainer can cause bloating or stomach discomfort, particularly if you drink a large serving quickly or mix it with milk. Try a smaller amount and water first; stop if symptoms persist.
Should you mix Optimum Serious Mass Gainer with milk or water?
Either works for Optimum Serious Mass Gainer. Water makes a lighter shake, while milk gives it a thicker, creamier texture. Since the product contains dairy, water is the simpler choice if dairy bothers you.
Can Optimum Serious Mass Gainer replace a meal?
It can be used as a convenient shake, but Optimum Serious Mass Gainer is not a full substitute for a varied meal. Meals also provide a broader mix of whole foods and nutrients, so use the powder to supplement rather than routinely replace them.
Does Optimum Serious Mass Gainer build muscle by itself?
No, Optimum Serious Mass Gainer does not build muscle by itself. It can help provide energy and protein, but muscle growth requires progressive resistance training and adequate recovery as well.
Optimum Serious Mass Gainer Vitamins & Minerals
Vitamins
B12
2.51µg · 105% DV
B2
1mg · 77% DV
B3
11.69mg · 73% DV
B1
0.84mg · 70% DV
Minerals
Copper
0.33mg · 37% DV
Iron
6.68mg · 37% DV
Phosphorus
251mg · 36% DV
Calcium
334mg · 33% DV
Potassium ⭐
501mg · 15% DV
Sodium
301mg · 13% DV
Optimum Serious Mass Gainer Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Optimum Serious Mass Gainer
To burn the 635 calories in 2 slice (large) (167 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 Serious Mass Gainer?
Optimum Serious Mass Gainer is a powdered supplement designed to add substantial calories, carbohydrates and protein to a drink. Mix it with water or milk for a shake; it is usually used alongside meals rather than as a conventional standalone food.
People often have it between meals or around a workout, especially when they want a convenient, filling drink. Its nutritional profile is carbohydrate-heavy, with 73 g of carbohydrate and 15 g of protein per 100 g. Check the serving size against your own needs: using water instead of milk can make the shake lighter, while a smaller amount is an easy way to start.
How Nutritious Is Optimum Serious Mass Gainer?
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 Serious Mass Gainer 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 Serious Mass Gainer Contain Allergens?
Contains these allergens:
Which Diets Is Optimum Serious Mass Gainer Good For?
Vegan
— Not suitable
Vegetarian
✓ Suitable
Gluten-Free
— Not 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 Serious Mass Gainer Fat Profile
SATURATED
3.34g
MONOUNSATURATED
1.67g
POLYUNSATURATED
1.67g
Omega 6:3 ratio 10.5:1
Above the ideal 4:1 (10.5:1).
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Nutrition data compiled from USDA FoodData Central and scientific sources.