Top 5 GNC Protein Products to Build Muscle & Strength

When it comes to premium-quality supplements, GNC (General Nutrition Center) is one of the most trusted global brands in sports nutrition. Whether you’re a beginner, hard gainer, or seasoned lifter, GNC offers powerful protein options to support muscle growth, recovery, and performance.

Here are the top 5 GNC protein products you can count on for your fitness goals.

1. GNC Pro Performance® Bulk 1340

Best For: Hard Gainers | Bulking | Muscle Mass

This is GNC’s ultimate mass gainer packed with:

  • 1340 calories per serving

  • 50g protein + 277g carbs

  • 3g creatine for enhanced strength

  • Added BCAAs & glutamine

Why Choose It:
Perfect for skinny individuals or those struggling to gain weight. It delivers high-quality calories and protein in one easy shake.

2. GNC AMP Gold Series 100% Whey Protein Advanced

Best For: Muscle Building | Recovery | Lean Gain

A premium blend of:

  • Fast-absorbing whey isolate, concentrate & hydrolysate

  • 24g protein per scoop

  • Enriched with digestive enzymes for better absorption

Why Choose It:
Great for post-workout use, helps build lean muscle with minimal carbs and fats.

3. GNC Pro Performance® 100% Whey Protein

Best For: Daily Use | General Fitness | Recovery

An affordable, reliable whey protein with:

  • 24g protein per scoop

  • Low carbs and fats

  • Great taste and mixability

Why Choose It:
Perfect for beginners and regular gym-goers who want a budget-friendly but effective protein supplement.

4. GNC AMP Pure Isolate Whey

Best For: Fat Loss + Muscle Gain | Fast Recovery

Made with 100% whey protein isolate, this product offers:

  • 25g ultra-pure protein per scoop

  • Only 1g sugar and 1g fat

  • High leucine content to support recovery

Why Choose It:
Ideal for athletes and bodybuilders aiming for clean muscle gain with no extra calories.

5. GNC AMP Casein Protein

Best For: Overnight Recovery | Muscle Preservation

  • 25g slow-digesting protein per scoop

  • Helps reduce muscle breakdown during sleep

  • Supports overnight recovery

Why Choose It:
If you’re serious about 24/7 muscle growth, this casein protein is a must-have addition to your night routine.

Final Recommendation

Each GNC protein product serves a specific purpose:

Goal                                                                             Best GNC Product

Gain Mass                                                                  Bulk 1340

Build Lean Muscle                                                    Gold Series Whey or Pure Isolate

General Fitness                                                         Pro Performance Whey

Overnight Repair                                                       AMP Casein Protein