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Supplement X

APPLIED NUTRTION CRITICAL MASS ORIGINAL 6KG HIGH CALORIE GAINER

5.0 · 127 reviews100% would recommend
£44.99£54.99Save 18%

Third-Party Tested

Every batch verified

No Proprietary Blends

Full label transparency

Fast UK Delivery

Order before 2pm same day

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Critical Mass - Original

6kg (25 Servings)

CALORIE RICH PROTEIN SOURCE

HIGH POTENCY WEIGHT GAINER

Critical Mass™ Original has been carefully engineered to offer those with fast metabolisms a fantastic source of premium quality carbohydrates and proteins, which contributes to a  growth or maintenance of muscle mass.**

Critical Mass™ Original uses a unique blend that boasts 55g, all dairy protein complex per serving, which deliver naturally high levels of EAAs (including BCAAs) and L-Glutamine. These amino acids play an important role in protein synthesis and can increase the rate of muscle growth and repair.**

Gaining weight requires a surplus of calories, and each 240g serving delivers over 900kcal to help you achieve your calorie goals to sustain performance and recovery.

**Protein contributes to the growth & maintenance of muscle mass.

CRITICAL MASS SHOULD BE USED BY:
• Individuals wanting a calorie-dense body mass gain formula
• Hard-gainers that struggle to put on weight (people with a high metabolic rate)
• Strength athletes, bodybuilders & weight-lifters
• High energy athletes such as rugby players, boxers, wrestlers, etc.
• Anyone wanting to bulk-up, gain muscle weight, or improve all-around athletic performance
• Aerobic athletes wanting to build muscle or increase strength

Full label transparency — every ingredient and dose listed below.

Per Serving

applied nutrition: ✓ Listed on label

protein powder: ✓ Listed on label

Note: No proprietary blends. No hidden ingredients.

Take 1 serving daily with food, or as directed by a healthcare professional.

Do not exceed the recommended daily dose. Food supplements should not replace a varied diet.

Free UK shipping on orders over £40. Standard delivery 2-4 working days.

30-day returns on unopened products.

About the Brand

Supplement X

Supplement X is our in-house brand — formulated to fill the gaps in your stack with clean ingredients and no-nonsense labelling. Made in the UK to the same standards as the biggest names in sports nutrition, at a price that makes sense.

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Third-Party Tested

Every batch verified

No Proprietary Blends

Full label transparency

Fast UK Delivery

Order before 2pm same day

UK Based

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47 people bought this this weekTrending in Sports NutritionFree UK delivery over £40100% would recommendInformed Sport Certified30-day returns on unopenedOrders ship same day before 2pmTrusted by 50,000+ UK athletes47 people bought this this weekTrending in Sports NutritionFree UK delivery over £40100% would recommendInformed Sport Certified30-day returns on unopenedOrders ship same day before 2pmTrusted by 50,000+ UK athletes47 people bought this this weekTrending in Sports NutritionFree UK delivery over £40100% would recommendInformed Sport Certified30-day returns on unopenedOrders ship same day before 2pmTrusted by 50,000+ UK athletes

Reviews

5.0out of 5

4 verified reviews

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100% would recommend

Verified Purchase

My clients use it and love it

I recommend this to every client who asks about protein. Unflavoured option means I can add it to smoothies without changing the taste. Third-party tested which is non-negotiable for me.

P

Priya S.

Fitness Coach · 3 weeks ago

Verified

Tastes like nothing, works like everything

I mix it with oat milk and a banana and can't taste it at all. Post-WOD recovery has improved — not as sore the next day. Clean ingredients, clean label, clean results.

Sophie L.

CrossFit Athlete

2 weeks ago
Verified

My entire family takes this now

Recommended to my parents and husband. Comprehensive formula — not just a wall of vitamins but minerals and antioxidants that work together. My energy levels are noticeably better.

Lauren B.

Personal Trainer

1 week ago
Verified

Fill the gaps my diet leaves

I eat well but my dietitian said I was low on magnesium and B12. This covers everything in one tablet a day. No nausea like some multivitamins give me. Very happy.

Emma K.

Yoga Instructor

1 month ago

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