Great Muscle Fibre
- Regular price £39.99
-
-%
Couldn't load pickup availability
Vendor: Great Britain Nutrition
Type:
Sku: null
Available: Available
This Shipping Policy explains how Great Britain Nutrition (“we”, “us”, “our”) processes and delivers orders placed through our website. By ordering from us, you agree to the terms below.
---
## Processing Times
- Orders placed before 1:00 PM (UK time), Monday–Friday, are usually dispatched the same day.
- Orders placed after 1:00 PM or on weekends/public holidays will be processed on the next working day.
- During busy periods (e.g., product launches, sales), dispatch may take up to 2–3 working days.
---
## Shipping Rates & Delivery Times
### UK Mainland
- Standard Delivery (2–4 working days) – Free on orders over £40; £3.99 on orders under £40.
- Express Delivery (1–2 working days) – £5.99.
- Courier: Royal Mail, DPD, or other tracked services.
### UK Highlands, Islands & Northern Ireland
- Delivery may take an additional 1–2 working days.
- Surcharges may apply for certain postcodes (calculated at checkout).
### International Shipping
- We ship to selected countries worldwide.
- Shipping costs are calculated at checkout based on weight, size, and destination.
- Estimated delivery: 5–10 working days depending on destination and customs clearance.
- All international orders are shipped via tracked services.
---
## Customs, Duties & Taxes
- For deliveries outside the UK, local customs duties/taxes may apply.
- Customers are responsible for paying any applicable import fees.
- We are not liable for delays caused by customs.
---
## Order Tracking
- Once your order is shipped, you’ll receive an email with tracking information.
- You can also log into your account to view your order status.
---
## Delivery Issues
- If your order hasn’t arrived within the expected timeframe, please contact us at info@greatbritainnutrition.com with your order number.
- Missing parcels must be reported within 14 days of the estimated delivery date.
- If tracking shows “delivered” but you have not received the parcel, check with neighbours or your local delivery office before contacting us.
---
## Address Accuracy
- Please ensure your delivery address is correct at checkout.
- We are not responsible for delays or losses caused by incorrect/incomplete addresses provided by the customer.
---
## Damaged or Missing Items
- If your order arrives damaged or incomplete, contact us within 48 hours of receipt with clear photos of the packaging and items.
- We will investigate and, if applicable, arrange replacements or refunds.
---
## Returns & Exchanges
- For details on returns and exchanges, please see our Returns Policy.
---
## Contact Us
For questions about shipping, email info@greatbritainnutrition.com or write to:
Great Britain Nutrition – 30-32 Knowsley street – Manchester – M8 8HQ – United Kingdom
🔥 30 sold in last 18 hours
Guarantee safe checkout

Great Muscle Fibre
Great Muscle delivers 5g of Essential Amino Acids, 5g of Creatine Monohydrate, and 5g of L-Glutamine per serving to maximise muscle growth, strength, and recovery. EAAs fuel protein synthesis, creatine boosts power and performance, and glutamine supports immune health and repair. With a delicious Fruit Pastille flavour, this vegan-friendly, allergen-free formula is perfect for athletes looking to train harder, recover faster, and build lean muscle
Main Ingredients & Benefits
Essential Amino Acid (EAA) Blend – 5000 mg total
L-Leucine – 1000 mg Stimulates muscle protein synthesis, key for muscle growth and repair.
L-Lysine – 800 mg Supports collagen production, immune health, and calcium absorption.
L-Valine – 700 mg Helps with muscle repair, energy production, and recovery.
L-Threonine – 600 mg Aids protein balance and supports connective tissue health.
L-Methionine – 550 mg Supports liver detoxification, metabolism, and joint health.
L-Phenylalanine – 225 mg Precursor to neurotransmitters that boost mood, focus, and appetite control.
L-Histidine – 225 mg Aids tissue repair and supports haemoglobin production.
L-Tryptophan – 125 mg Supports serotonin production, improving mood and sleep.
Creatine Monohydrate – 5000 mg Increases strength, power, and training performance by replenishing ATP energy stores.
L-Glutamine – 5000 mg Supports muscle recovery, immune function, and gut health, while reducing post-exercise muscle soreness.
Natural Flavours& Sweeteners: No sugar, just clean taste
Zero carb
Quick Facts –What You Need to Know
- 30 Servings | 525g Tub
- 5g EAAs + 5g Creatine+ 5g L-Glutamine
- Halal Certified
| Vegan | Allergen-Free
How to UseMix 1 scoop (17.5g) with 200–500ml water, during or after workouts
Best For
Strength Athletes, Bodybuilders, & Endurance Trainers
Why Choose Great Muscle?
All-in-one recovery drink with scientifically supported doses