FREE SHIPPING FOR ALL ORDERS OF $150

  • NEWSLETTER
  • CONTACT US
  • FAQs
wheyupnutrition.com wheyupnutrition.com
Select category
  • Select category
  • Alpha Lion
  • Apparel & Accessories
  • BUNDLES
  • Creatine
  • Gift Card
  • Health & Wellness
  • Mansport
  • New Arrivals
  • Performance
  • Post Workout
  • Pre-Workouts
    • Pre-Workouts-Stimulant
  • Proteins
    • Lean
    • Mass
  • Recovery
    • Recovery-Stimulant
    • Recovery-Stimulant-Free
  • Test Boosters
  • Vitamins & Minerals
  • Weight Loss
    • Fat Burner
      • Fat Burner Stimulant Free
      • Fat Burner-Stimulant
Login / Register
0 items / $0.00
Menu
wheyupnutrition.com wheyupnutrition.com
0 items / $0.00
  • PROTEINS
    • LEAN
    • MAINTENANCE
    • MASS
  • RECOVERY
    • STIMULANT
    • STIMULANT FREE
  • WEIGHT LOSS
    • FAT BURNER
      • FAT BURNER-STIMULANT
      • FAT-BURNER-STIMULANT-FREE
    • DIURETIC
  • PRE WORKOUTS
    • PRE-WORKOUTS-STIMULANT
    • PRE-WORKOUTS-STIMULANT FREE
  • COLLAGEN
  • CREATINE
  • HEALTH & WELLNESS
  • TEST BOOSTERS
  • BUNDLES
  • APPAREL & ACCESSORIES
    • SNACKS
  • Gift Card
-25%Sold out
Click to enlarge
Home Proteins Mass Optimum Nutrition Serious Mass 12Lb
Optimum Nutrition Gold Standard 100% Plant
Optimum Nutrition Gold Standard 100% Plant $285.00
Back to products
Magnum 400g Creatine (80 Servings)
Magnum 400g Creatine (80 Servings) $250.00

Optimum Nutrition Serious Mass 12Lb

$599.00 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!

Clear
SKU: N/A Categories: Mass, Proteins Tags: New Arrivals, ON
Share:
  • Additional information
Additional information
Flavour

Chocolate, Vanilla

Size

12 LB

Related products

Magnum Quattro ISO 2LB

$399.00
Quattro is our flagship 4-protein isolate blend that can be used to hit your daily protein requirements, while helping you achieve your fitness and overall health-related goals.
  •  4 protein isolate blend
  •  30g protein per scoop
  •  Whey protein isolate, milk protein isolate, egg protein
  •  Blend of fast, medium, and slow digesting protein sources
  •  High source of EAAs and BCAAs
  •  Bromelain to maximize protein digestion and absorption
  •  Kosher certified, peanut-free, gluten-free, dye-free
  •  ZERO gas or bloating
  •  Perfect for lactose sensitivities
  •  Low in carbs | low in fat
  • 23 Servings
Select options
Quick view

PERFECT SPORTS ULTRA FUEL Grass-Fed Whey Protein 4lb – 45 Servings

$520.00

rand: Perfect Sports
Flavor: Triple Chocolate / Vanilla Ice Cream (or other available flavors)
Servings per Container: 45
Item Weight: 4 Pounds (~1.82 kg)
Protein per Serving: 24 grams of grass-fed whey protein concentrate


Key Features:

  • 24 g of high-quality grass-fed whey protein per serving

  • 5 g BCAAs and 11 g EAAs to support muscle recovery and growth

  • Low in carbs (≈ 2 g) and sugar (~1 g) per serving

  • Keto-approved, gluten-free, peanut & nut-free, no artificial colours or fillers

  • Cold-temperature cross-flow micro-filtration to preserve protein quality


Suggested Use:
Mix 1 scoop (40 g) with 8–10 oz (250–300 ml) of cold water or your favorite beverage. Use post-workout or any time you need a high-protein boost.

Select options
Quick view

Optimum Nutrition Gold Standard Pre Workout Advanced, with Creatine, Beta-Alanine, Micronized L-Citrulline and Caffeine- 20 Servings

$299.00

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.

Select options
Quick view
Sold out

Optimum Nutrition Gold Standard 100% Plant

$285.00

Power your performance with GOLD STANDARD 100% PLANT, a 100% vegan protein made from high-quality plant-based ingredients. This clean and Informed Choice certified formula delivers 24g of plant protein per serving, along with a complete amino acid profile, 4g of naturally occurring BCAAs, and 4g of glutamine & glutamic acid to support muscle growth and repair.

With no artificial colors or flavors, this protein is now Vegan Society approved, making it the perfect choice for athletes and active individuals following a plant-based lifestyle. Enjoy it first thing in the morning or around your workouts to maximize recovery and performance.

✔ 24g Plant-Based Protein
✔ Complete Amino Acid Profile
✔ Supports Muscle Growth & Repair
✔ 4g Naturally Occurring BCAAs
✔ 4g Glutamine & Glutamic Acid
✔ Vegan Society Approved & Informed Choice Certified ✔ 20 Servings

Fuel your goals naturally with GOLD STANDARD 100% PLANT!

Select options
Quick view
Sold out

Optimum Nutrition Gold Standard Pro Gainer, Weight Gainer Protein Powder, Vanilla Custard, 5.09 Pounds

$599.00

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.

Read more
Quick view
Sold out

Optimum Nutrition Platinum Hydrowhey Protein Powder, 100% Hydrolyzed Whey Protein Isolate Powder, Flavor: Turbo Chocolate, 40 Servings, 3.61 Pounds

$699.00

Brand: Optimum Nutrition
Flavor: Chocolate 
Servings per Container: 40
Item Weight: 3.61 Pounds
Protein Source: 100% Hydrolyzed Whey Protein Isolate

Key Benefits:

  • 30 grams of ultra-pure protein per serving

  • 100% hydrolyzed whey protein isolate for fast absorption

  • Over 8.8g of naturally occurring BCAAs (including Leucine, Isoleucine & Valine)

  • Low fat (≈ 1g) and low carb (≈ 3g) formula

  • Ideal for post-workout recovery and lean muscle support

Read more
Quick view

Magnum Quattro 2LB Protein Combo

$650.00
Product Expiry: November 2027
Select options
Quick view

PERFECT SPORTS DIESEL 100% New Zealand Whey Protein Isolate 2LB

$399.00

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.

Select options
Quick view

  • Secure Payments
    100% Payment Protection
  • Fast Shipping
    Delivered to your Door
  • Online Chat
    Continuous Support

Site Map
  • About Us
  • Faqs
  • Shipping & Delivery Policy
  • Exchange Policy
  • Privacy Policy
  • Contact Us
Account
  • My Account
  • My Cart
  • Shipping Address
  • USN Trinidad & Tobago
  • Glamour Nutrition Trinidad
Get in Touch
23 Santa Cruz Old Road, San Juan Trinidad, WI.
+1 868 280-4876
support@wheyupnutrition.com
Join Mailing List

Copyright 2023© All rights Reserved.
payments
  • PROTEINS
    • LEAN
    • MAINTENANCE
    • MASS
  • RECOVERY
    • STIMULANT
    • STIMULANT FREE
  • WEIGHT LOSS
    • FAT BURNER
      • FAT BURNER-STIMULANT
      • FAT-BURNER-STIMULANT-FREE
    • DIURETIC
  • PRE WORKOUTS
    • PRE-WORKOUTS-STIMULANT
    • PRE-WORKOUTS-STIMULANT FREE
  • COLLAGEN
  • CREATINE
  • HEALTH & WELLNESS
  • TEST BOOSTERS
  • BUNDLES
  • APPAREL & ACCESSORIES
    • SNACKS
  • Gift Card
  • Login / Register
Shopping cart
close

Free Delivery Nationwide on all orders $300 and over 

Sign in

close

Lost your password?

No account yet?

Create an Account