Lean Muscle Stack Supplements

This lean muscle stack is ideal for athletes who want to gain muscle without excess fat. It includes clean, performance-driven supplements to optimise lean mass development alongside your go-to lean protein powders.

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10 products

EFECTIV® Whey Protein Powder | 60 Servings | Muscle Growth & Recovery
BESTSELLER

Muscle Growth & Recovery

High Protein
Low Sugar
£59.99
EFECTIV® Creatine Monohydrate | 60 Servings | Strength & Performance
BESTSELLER

Strength & Performance

5g Creatine Monohydrate
3rd Party Tested
£14.99
EFECTIV® Vegan Protein Powder | 30 Servings | 100% Plant-Based
BESTSELLER

100% Plant-Based

23g Protein
0.1g Sugar
£21.99
EFECTIV® Hybrid Creatine + Hydration | 30 Servings | Strength & Endurance
BESTSELLER

Strength & Endurance

5g Creatine
Electrolytes
£19.99
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EFECTIV® Grass Fed Whey Protein Isolate | 66 Servings | Muscle Growth
NEW

Muscle Growth

27g Protein
0.4g Sugar
£64.99
EFECTIV® ALPHA Male Support | 30 Servings | Testesterone Support

Testesterone Support

Natural Testosterone | Stress Relief
190 kcal per bottle
£29.99
EFECTIV® Clear Whey Protein Isolate | 20 Servings | Muscle Recovery

Muscle Recovery

24g Protein
0.2g Sugar
£29.99
EFECTIV® MPS185 (with DL-185®) | 30 Servings | Muscle Builder
PRE-ORDER

Muscle Builder

2000mg DL185™
Muscle Accelerator
£39.99
Est. dispatch: 31 Mar 2026
EFECTIV® EAA Essential Amino Acids | 30 Servings | Muscle Recovery
NEW

Muscle Recovery

8g EAAs
6g BCAAs
£14.99£19.99
EFECTIV® BUILD.AI (with PeptiStrong®) | 30 Servings | Muscle Builder

Muscle Builder

2.4g PeptiStrong
Natural Muscle Builder
£29.99

Frequently Asked Questions

What is the best protein for lean muscle?

Whey protein, whey isolate, and clear whey are popular options for supporting lean muscle due to their high protein content and low fat and sugar levels.

How can supplements support lean muscle growth?

Supplements like protein, amino acids, and creatine help support muscle repair, recovery, and growth, making it easier to build and maintain lean muscle.

What does lean muscle mean?

Lean muscle refers to building muscle while minimising fat gain, focusing on strength, definition, and overall body composition.

Can I build lean muscle while losing fat?

Yes, with the right training, nutrition, and supplementation, it’s possible to support muscle growth while managing body fat levels.

The Efectiv Promise

Service You Can Trust.

Rated 4.9/5 by 8,000+ Athletes

Lightning Fast Delivery

We know you need your fuel fast. Order before 4pm for same-day dispatch. Free UK delivery over £50.

30-Day Money Back

Train with confidence. If you don't feel the difference, return the unused portion for a full refund.

Gold Standard Quality

Every batch is third-party tested (ISO 17025) for banned substances and label accuracy.