Muscle Building

A muscle-building supplement stack works best when the fundamentals are in place: consistent resistance training, adequate calorie intake, and sufficient protein from food. If you are prioritising supplements, protein powder and creatine monohydrate have the strongest evidence base. Mass gainers, BCAAs, and testosterone support products each have a more specific role depending on your situation. Use the category filters below or browse the full range by brand.

16 Products
Bestseller£2 off
£63.99 £69.99
Muscle Builder High Protein
£5 off
£14.99 £19.99
£0.50 per serving
Muscle Builder Stress Support
£19.99 £24.99
£0.67 per serving
Increase Strength Aids Hydration
£10 off
£14.99 £24.99
£0.50 per serving
Muscle Builder Stress Support
£5 off
£19.99 £24.99
£0.33 per serving
Increase Strength Muscle Builder
£14.99
£0.25 per serving
Best seller Increase Strength
£5 off
£34.99 £39.99
£1.17 per serving
Muscle Builder Increase Strength
£19.95
£0.25 per serving
Increase Strength Muscle Builder
£5 off
£19.99 £24.99
£0.67 per serving
Testosterone Support Stress Support
£29.99
£1.00 per serving
Male Health Testosterone Support
£5 off
£29.99 £34.99
£0.50 per serving
Muscle Builder Increase Strength
£5 off
£44.99 £49.99
£0.75 per serving
Muscle Builder Increase Strength
£38.95
£0.45 per serving
Increase Strength Muscle Builder
Out of Stock
£34.95
£1.75 per serving
Aids Weight Loss Advanced Diuretic
Out of Stock
£29.99
£1.00 per serving
Muscle Builder Increase Strength
£3 off
Out of Stock
£36.99 £39.99
£0.62 per serving
Muscle Builder Increase Strength

Shop muscle building supplements including protein powders, creatine, amino acids, and mass gainers from trusted UK and international brands. Protein contributes to the growth and maintenance of muscle mass. Creatine increases physical performance in successive bursts of short-term, high-intensity exercise, with the beneficial effect obtained with a daily intake of 3g of creatine.

Building Your Supplement Stack

A solid muscle building programme starts with consistent training and adequate nutrition. Supplements can complement your diet where daily food intake falls short. Whey protein provides a convenient source of high-quality protein, while creatine monohydrate is one of the most researched sports nutrition ingredients available. For those looking to increase overall calorie intake, mass gainers offer a calorie-dense option. Free UK delivery available on qualifying orders.