| Flavour |
Chocolate, Vanilla |
|---|---|
| Size |
12 LB |
-25%Sold out
Optimum Nutrition Serious Mass 12Lb
Original price was: $599.00.$449.25Current price is: $449.25.
OPTIMUM NUTRITION Serious Mass – Maximum Calorie & Protein Support
Fuel your muscle building and weight gain goals with Serious Mass, the highest-calorie weight gain formula from OPTIMUM NUTRITION. Each serving delivers an impressive 1250-1260 calories, 50g of protein, 250-253g of carbohydrates, and 5g of creatine monohydrate to support intense workouts and recovery.
Formulated with fast-digesting whey protein concentrate from milk, this powerful shake provides the essential macros for athletes aiming to maximize performance and muscle growth. 19 vitamins and minerals are included to support your overall nutrition, plus 8g of naturally occurring glutamine per serving to aid recovery.
This value bundle contains two 12lb tubs, and you can choose from five delicious flavors to keep your routine flavorful and exciting.
✔ Supports Muscle Building & Weight Gain
✔ 1250-1260 Calories & 50g Protein per Serving
✔ 250-253g Carbs & 5g Creatine per Serving
✔ Contains 19 Vitamins & Minerals
✔ 16 Servings
✔ Delicious Flavors for a Tasty Routine
✔ Trusted by Elite Strength Athletes Worldwide
OPTIMUM NUTRITION Serious Mass: The ultimate formula for those who need serious muscle support!
Additional information
Related products
PERFECT SPORTS Diesel Vegan 700g – 20 Servings
Brand: Perfect Sports
Flavor: (Vanilla Ice Cream / Chocolate Ice Dream / Very Berry Splash / Salted Caramel)
Servings per Container: 20
Item Weight: 700 Grams
Protein per Serving: 23 grams of 100% complete plant-based protein
Key Features:
-
5-protein blend using Fava Bean, Canadian Pea, Organic Pumpkin, Sprouted Brown Rice, and Potato protein
-
Over 2 grams of Leucine per serving to support muscle growth & recovery
-
Keto-friendly with ModCarb® from ancient gluten-free grains
-
Includes SolaThin® (potato protein) for appetite control and fat loss support
-
No artificial sweeteners, soy, gluten, dairy; naturally sweetened with stevia
-
Smooth, chalk-free texture despite being plant-based
Suggested Use:
Mix 1 scoop (≈ 35 g) with about 250 ml of cold water, in a smoothie, or your favorite beverage. Adjust liquid for taste. Use post-workout or whenever you need a clean, plant-based protein boost.
Optimum Nutrition Gold Standard Pre-Workout, Vitamin D for Immune Support, with Creatine, 30 Servings
Brand: Optimum Nutrition
Product: Gold Standard Pre-Workout with Vitamin D & Creatine
Servings per Container: 30
Key Ingredients per Serving: 3 g Creatine Monohydrate, 1.5 g Beta-Alanine, 175 mg Caffeine, Vitamin D
Key Features:
-
Provides 175 mg of caffeine from natural sources to increase focus, energy, and performance
-
3 g of creatine monohydrate per serving to support strength and power output
-
1.5 g beta-alanine to help delay muscle fatigue during intense training
-
Includes Vitamin D to support immune health
-
Tested for banned substances and quality assurance
Suggested Use:
Mix one scoop with 8 oz of cold water and consume 20–30 minutes before training.
PERFECT SPORTS DIESEL 100% New Zealand Whey Protein Isolate 2LB
Brand: Perfect Sports
Flavor: Triple Rich Dark Chocolate / French Vanilla Ice Cream (or other available flavors)
Servings per Container: 30
Item Weight: 2 Pounds (~0.91 kg)
Protein per Serving: 26–27 grams of pure New Zealand whey protein isolate
Key Features:
-
100% New Zealand whey isolate from grass-fed, pasture-raised dairy
-
0 g sugar, 0 g fat, 0 g carbs per serving
-
Naturally sweetened with stevia — no artificial flavors, colors, or growth hormones
-
Cross-flow microfiltration for maximum purity and protein quality
-
Certified banned-substance tested (Informed Choice / WADA)
-
Gluten-free, peanut & nut-free; mixes instantly
Suggested Use:
Mix 1 scoop (≈ 30 g) with 4–6 oz (120–180 ml) of cold water or milk. Use post-workout or anytime you need a clean, high-quality protein boost.
Optimum Nutrition Serious Mass 6Lb
OPTIMUM NUTRITION Serious Mass – Maximum Calorie & Protein Support
Fuel your muscle building and weight gain goals with Serious Mass, the highest-calorie weight gain formula from OPTIMUM NUTRITION. Each serving delivers an impressive 1250-1260 calories, 50g of protein, 250-253g of carbohydrates, and 5g of creatine monohydrate to support intense workouts and recovery.
Formulated with fast-digesting whey protein concentrate from milk, this powerful shake provides the essential macros for athletes aiming to maximize performance and muscle growth. 19 vitamins and minerals are included to support your overall nutrition, plus 8g of naturally occurring glutamine per serving to aid recovery.
This value bundle contains two 12lb tubs, and you can choose from five delicious flavors to keep your routine flavorful and exciting.
✔ Supports Muscle Building & Weight Gain
✔ 1250-1260 Calories & 50g Protein per Serving
✔ 250-253g Carbs & 5g Creatine per Serving
✔ Contains 19 Vitamins & Minerals
✔ 8 Servings
✔ Delicious Flavors for a Tasty Routine
✔ Trusted by Elite Strength Athletes Worldwide
OPTIMUM NUTRITION Serious Mass: The ultimate formula for those who need serious muscle support!
Simply L-Carnitine 3000mg Fruit Punch -32 servings
Brand: Simply
Flavor: Fruit Punch Variant
Servings per Container: 32
L-Carnitine per Serving: 3000 mg
Item Weight/Form: Liquid / Supplement
Key Features:
-
Powerful 3000 mg of L-Carnitine per serving to support fat burning and metabolism
-
Stimulant-free formula — no caffeine, no jitters
-
Refreshing fruit punch flavor that mixes nicely with water
-
Supports endurance, energy, and helps preserve lean muscle during calorie deficits
-
Easy liquid formula — no pills, no powder mess
Suggested Use:
Take 1 serving (1 scoop) mixed with 8-10 oz of water once daily, preferably 30 minutes before exercise or whenever you desire an energy/fat-burning support.
PERFECT SPORTS Creatine 400g Unflavored – 80 Servings
Brand: Perfect Sports
Flavor: Unflavored
Servings per Container: 80
Item Weight: 400 Grams
Creatine Source: 100% Pure Micronized Creatine Monohydrate
Key Features:
-
5 g of pure micronized creatine per serving
-
Supports muscle size, strength, power, and recovery
-
Micronized for better solubility and absorption
-
Zero fillers, sugar, flavors, or additives
-
Banned-substance tested for quality and safety
Suggested Use:
Mix 1 scoop (≈ 5 g) with water, juice, or your favorite sports drink once daily. Best results achieved with consistent use alongside resistance training.
Optimum Nutrition Gold Standard 100% Whey Protein Powder 5LB
Fuel your fitness with the world’s best-selling whey protein! Each serving delivers 24 grams of high-quality whey protein, primarily from Whey Protein Isolate, which undergoes advanced filtration to remove excess carbs, fat, and lactose. Designed for easy mixing, this instantized powder blends smoothly with just a glass and spoon.
- Post-Workout Muscle Support & Recovery
- 24 Grams of Protein per Serving to Help Build and Maintain Muscle³
- 5.5 Grams of Naturally Occurring BCAAs per Serving to Support Endurance and Recovery
- 71 Servings
- Muscle support
- Post-workout recovery¹
- 100% whey protein powder
- 5.5g BCAAs per serving
- Protein Isolate is the No. 1 ingredient
Optimum Nutrition Amino Energy – Pre Workout with Green Tea, BCAA, Amino Acids -30 Servings
Brand: Optimum Nutrition
Product: Amino Energy – Pre‑Workout with Green Tea, BCAA, Amino Acids
Servings per Container: 30
Caffeine per Serving: 100 mg
Amino Acids per Serving: 5 grams
Key Features:
-
Natural energy from green tea and green coffee extract
-
Supports muscle recovery and endurance with 5g of amino acids per serving
-
Contains essential BCAAs to fuel performance
-
Low sugar formula – no crash, just clean energy
-
Keto-friendly and versatile for any time of day
Suggested Use:
Mix 1 scoop in 10–12 oz of water. Use 20–30 minutes before workouts or anytime you need a clean energy boost.
