| 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 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 Pre Workout Advanced, with Creatine, Beta-Alanine, Micronized L-Citrulline and Caffeine- 20 Servings
Brand: Optimum Nutrition
Product: Gold Standard Pre-Workout Advanced with Creatine, Beta-Alanine, L-Citrulline & Caffeine
Servings per Container: 20
Key Ingredients per Serving: 5 g Creatine Monohydrate, 3.2 g Beta-Alanine, 6 g Micronized L-Citrulline, 200 mg Caffeine
Key Features:
-
5 g of creatine monohydrate per serving to support strength and power
-
3.2 g beta-alanine to enhance endurance and reduce muscle fatigue
-
6 g micronized L-citrulline to promote blood flow and muscle pumps
-
200 mg caffeine from natural sources for energy and focus
-
Enhanced formula for more intense training sessions
-
Banned-substance tested for quality and safety
Suggested Use:
Mix one scoop with 8–10 oz of cold water and consume 20–30 minutes before workouts.
Magnum Fasted Cardio 40 Servings – Very Cherry Limeade
Brand: Magnum Nutraceuticals
Flavor: Very Cherry Limeade
Servings per Container: 40
Product Type: Thermogenic / Fat Burner Drink Mix
Caffeine per Serving: 150 mg
Key Features:
-
Dual energy sources with Caffeine Anhydrous & Di-Caffeine Malate to boost focus and energy
-
Includes 2 g choline bitartrate per serving to support fat loss and brain health
-
Contains 2 g of MCT oil powder (C8 + C10) to help with ketone production and metabolic fuel
-
Incorporates GBBGO® (Gamma-Butyrobetaine Hydrochloride) to enhance fat oxidation and raise core temperature
-
Sweet (fruit) flavour that mixes easily, sugar-free and keto-friendly
Suggested Use:
Mix 1 scoop with 16–18 oz (about 500 mL) of water and consume 15-30 minutes before training or fasted cardio. Start with half a scoop if you are sensitive to stimulants.
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 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 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.
Optimum Nutrition Gold Standard 100% Isolate, Chocolate Bliss, 1.64 Pounds, 24 Servings
Brand: Optimum Nutrition
Flavor: Chocolate Bliss
Servings per Container: 24
Item Weight: 1.64 Pounds (~0.745 kg)
Protein per Serving: 25 grams of ultra‑filtered whey protein isolate
Key Features:
-
25g of high‑quality whey protein isolate per scoop to support muscle growth and recovery
-
5.5g naturally occurring BCAAs in every serving
-
Very low in carbohydrates (≈ 1g) and minimal fat (≈ 0.5g) per serving
-
Ultra‑filtered & partially hydrolyzed for rapid absorption
-
Gluten‑free and tested for banned substances
-
Smooth, premium chocolate flavor with easy mixing
Suggested Use:
Mix one scoop into 6‑8 oz of cold water, milk, or your preferred beverage. Best taken post‑workout or anytime you need a high‑protein, low‑carb boost.
Optimum Nutrition Gold Standard Pro Gainer, Weight Gainer Protein Powder, Vanilla Custard, 5.09 Pounds
Brand: Optimum Nutrition
Flavor: Vanilla Custard
Servings per Container: ~14 (165 g per serving)
Item Weight: 5.09 Pounds (~2.31 kg)
Protein per Serving: 60 grams of high‑quality protein
Key Features:
-
Delivers 650 calories per serving to support calorie and mass gain goals
-
Approximately 80‑82 grams of carbohydrates per serving to refill energy stores
-
Less than 8 grams of sugar per serving
-
Features a protein blend including whey isolate, concentrate, calcium caseinate, and hydrolyzed whey proteins
-
Includes 20 vitamins & minerals for overall nutritional support
Suggested Use:
Blend one large scoop (≈ 165 g) of Pro Gainer with about 16 fl oz (≈ 475 ml) of water, milk, or your favorite beverage. Use post‑workout or as a high‑protein meal between meals to help meet your caloric and protein needs.
