Free Delivery

Free Delivery on orders over £45 at Optimum Nutrition

15% Off

15% off First order with Optimum Nutrition's Newsletter Sign up

15% Off

15% off Bundle 2 at Optimum Nutrition

10% Off

10% off Bundle 1 at Optimum Nutrition

£10 Off

£10 off When You Refer a Friend at Optimum Nutrition

Top Tip

Free Recipes at Optimum Nutrition

Top Tip

Save with Protein Products from £19.99 at Optimum Nutrition

Top Tip

Optimum Whipped Bar Pack and GSW Bundle for £39.99 at Optimum Nutrition

Popular Optimum Nutrition Discount Codes

Discount Last verified Redemptions
15% off First order with Optimum Nutrition's Newsletter Sign up 7 Oct, 2021 Used 4 times
Optimum Whipped Bar Pack and GSW Bundle for £39.99 at Optimum Nutrition 7 Oct, 2021 Used 1 time
Free Delivery on orders over £45 at Optimum Nutrition 7 Oct, 2021
15% off Bundle 2 at Optimum Nutrition 7 Oct, 2021 Used 1 time
10% off Bundle 1 at Optimum Nutrition 7 Oct, 2021 Used 1 time

How to save at Optimum Nutrition

Free Advice

Check out the free tips designed to keep you in tip top shape. Learn about the importance of carbohydrates, get advice on your work out form, or find out about the importance of staying hydrated. All this advice, and more – and it’s totally free!

Recently Expired Optimum Nutrition Discount Codes & Deals

Free Peanut and Salted Caramel Whipped Bar on all Orders at Optimum Nutrition
12% off Ausdauer Bundle (Amino Energy + GSW 907g) at Optimum Nutrition
7% off Power Bundle (GS PWO + GSW 907g) at Optimum Nutrition
Buy Amino Energy Get Free Whipped Protein Bar (Single) at Optimum Nutrition
Buy GS PWO Get Free Whipped Protein Bar (Single) at Optimum Nutrition