GAINX NUTRITION BULK FASTGAIN – 10 LBS / 4.5 KG
Fuel Your Bulk. Build Your Mass. Gain Fast.
GAINX Nutrition Bulk FastGain 10 LBS is a high-performance mass gainer designed for individuals who are serious about increasing their daily calorie and protein intake and supporting their muscle-building goals. Created for demanding training routines and structured bulking programs, Bulk FastGain combines a calorie-dense nutritional profile with a substantial protein content to help you stay on track with your daily nutrition.
With 716 calories, 56g of protein, 7g of BCAAs, and 1g of Glutamine per serving, Bulk FastGain provides a convenient nutritional boost for athletes, bodybuilders, hard gainers, and fitness enthusiasts who need additional calories and protein beyond what they can comfortably consume through regular meals.
Building muscle and gaining quality mass requires consistency—not just in the gym, but also in your nutrition. For individuals who struggle to consume enough food throughout the day, a mass gainer can provide a convenient way to increase their calorie intake without relying entirely on large meals. GAINX Bulk FastGain can easily be incorporated into your daily nutrition plan between meals, after training, or whenever additional calories and protein are needed.
The formula also provides 7g of BCAAs and 1g of Glutamine, complementing your overall sports nutrition and training routine. Combined with its high-calorie and protein-rich profile, Bulk FastGain is designed to support individuals following a dedicated muscle-building, strength-building, power, endurance, or mass-gaining program.
The 10 LBS / 4.5 KG bucket is made for serious, consistent users who want a larger supply of their daily mass-gain nutrition. Instead of frequently repurchasing smaller packs, the large bucket provides a convenient long-term option for individuals who regularly include a mass gainer in their fitness routine.
Whether you’re a hard gainer trying to increase your body mass, a bodybuilder in a dedicated bulking phase, or an athlete looking to meet increased nutritional demands, GAINX Nutrition Bulk FastGain 10 LBS is built to complement your diet and training with convenient, high-calorie nutrition.
And because consistency shouldn’t mean compromising on taste, Bulk FastGain is available in four satisfying flavours: Choco Shake, Banana Splash, Vanilla Ice Cream, and Malai Kulfi.
Why Choose GAINX Bulk FastGain?
716 Calories Per Serving
A calorie-dense formula designed to help increase your daily calorie intake and complement a structured calorie-surplus diet.
56g Protein Per Serving
Provides a substantial 56g of protein per serving, helping you meet your daily protein requirements and support muscle-building nutrition.
7g BCAAs
Contains 7g of Branched-Chain Amino Acids (BCAAs) to complement your overall protein and sports nutrition intake.
1g Glutamine
Includes 1g of Glutamine as part of the formula, complementing your daily training and recovery nutrition.
Made for Serious Bulking
Designed for individuals who require additional calories and protein as part of a structured muscle and mass-building program.
10 LBS Long-Term Supply
The large 4.5 KG bucket is ideal for regular users looking for a convenient, long-lasting supply of their daily mass gainer.
Product Specifications
| Feature | Details |
|---|---|
| Brand | GAINX Nutrition |
| Product Name | Bulk FastGain |
| Product Category | Mass Gainer |
| Pack Size | 10 LBS / 4.5 KG |
| Calories | 716 kcal per serving |
| Protein | 56g per serving |
| BCAAs | 7g per serving |
| Glutamine | 1g per serving |
| Scoop Size | 50g |
| Formula | Fast Gain Formula |
| Ideal For | Bulking, Mass & Muscle-Building Nutrition |
| Flavours | Choco Shake, Banana Splash, Vanilla Ice Cream, Malai Kulfi |
Built for Hard Gainers
Some people simply struggle to eat enough calories every day. Large meals can become difficult to manage, especially when you’re training intensely and your nutritional requirements are higher.
Bulk FastGain provides a convenient way to bridge that nutritional gap. Instead of forcing yourself to consume additional heavy meals, you can incorporate a calorie-dense shake into your daily routine whenever you need additional nutrition.
The combination of 716 calories and 56g protein per serving makes it particularly useful for individuals following a structured bulking diet where meeting daily calorie and protein targets is a priority.
Powerful Nutrition in Every Serving
| Nutrient / Component | Amount Per Serving |
|---|---|
| Calories | 716 kcal |
| Protein | 56g |
| BCAAs | 7g |
| Glutamine | 1g |
These nutritional values make Bulk FastGain a convenient addition to a high-calorie, muscle-building nutrition plan.
Perfect For
GAINX Bulk FastGain 10 LBS is suitable for:
- Hard Gainers
- Bodybuilders
- Athletes
- Strength Trainers
- Gym Enthusiasts
- Individuals Following a Bulking Program
- People With High Calorie Requirements
- Individuals Struggling to Meet Daily Protein Intake
- Anyone Looking to Add Convenient Calories & Protein to Their Diet
Four Great Flavours
🍫 Choco Shake
A rich and creamy chocolate-inspired flavour that’s perfect for chocolate lovers.
🍌 Banana Splash
A smooth and enjoyable banana flavour that adds variety to your daily shake routine.
🍦 Vanilla Ice Cream
Classic, creamy vanilla flavour designed for a smooth and satisfying shake.
🥛 Malai Kulfi
A rich Indian-inspired flavour delivering the familiar creamy taste of traditional malai kulfi.
When to Use Bulk FastGain
Post-Workout
A convenient way to add calories and protein to your post-workout nutrition.
Between Meals
Ideal for adding additional nutrition when regular meals aren’t enough to meet your daily requirements.
During Bulking
Incorporate it into a structured calorie-surplus diet according to your individual calorie and protein needs.
How to Use
Mix the recommended serving of GAINX Nutrition Bulk FastGain with water or milk using a shaker or blender. Adjust the liquid quantity according to your preferred consistency.
Bulk FastGain can be consumed after training, between meals, or at another convenient time according to your individual nutritional requirements.
For best results, use alongside a balanced diet, consistent resistance training, adequate hydration, and proper rest and recovery.
10 LBS / 4.5 KG — Made for Consistency
The 10 LBS / 4.5 KG bucket is the ideal choice for dedicated users who regularly consume a mass gainer and want a larger, more convenient supply.
With its large pack size, Bulk FastGain 10 LBS is suited for long-term supplementation and regular training routines. It’s especially convenient for serious bulkers who don’t want to repeatedly purchase smaller packs.
Same Bulk FastGain formula. Bigger supply. More convenience.
Train Hard. Eat Big. Gain Fast.
Your physique is built through thousands of repetitions, countless meals, disciplined training sessions, and consistent recovery. GAINX Nutrition Bulk FastGain is designed to complement that commitment by making it easier to add calories and protein to your everyday nutrition.
When your goal is to build more mass, every part of your routine matters.
Fuel the workout. Support the nutrition. Stay consistent.







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