Iso-9
by Naughty Boy
A quality protein powder designed to help you hit your daily protein targets alongside a balanced diet.
- Up to 27g protein per serving
- Low fat - under 3g per 100g
- Low carb - suitable for keto and cutting diets
- For shakes, smoothies, baking and more
Best price today
In stock900g · Taste and Mixability For Both Males and Females
£38.99
£4.33 / 100g
You save £46.00vs highest tracked price today
Secure retailer checkout
No verified price on record11 in stock
We may earn a commission at no extra cost to you. Affiliate disclosure
Nutritional profile
What's inside
Values per 100g
90g protein
27g per 30g serving with minimal filler
1g carbohydrates
Extremely low carbs - suitable for keto and low-carb diets
1g fat
0.3g per 30g serving - very lean
367 kcal
110 kcal per 30g serving
90g protein
27g per 30g serving with minimal filler
1g carbohydrates
Extremely low carbs - suitable for keto and low-carb diets
1g fat
0.3g per 30g serving - very lean
367 kcal
110 kcal per 30g serving
Frequently asked questions
Where is the cheapest place to buy Naughty Boy Iso-9 in the UK?
The best price we have verified today is £4.23 per 100g for the 2.01kg bag, checked 16 Aug 2026. Use the buy button above to go straight to it.
How much protein does Iso-9 contain per 100g?
Iso-9 contains 90g of protein per 100g, with 27g per 30g serving. It is a protein blend product.
Is Naughty Boy Iso-9 currently in stock?
At the last check, 11 out of 14 tracked variants were in stock. Stock status carries the same fetch time as the price shown above, so check the retailer listing before ordering.