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NaughtyBoy® ISO-9 was created for those of us who favour purity, those of us who favour the low lactose triple-filtered purity that you get from ISO-9.

Full description


NaughtyBoy® ISO-9 is our new Pure 100% Isolate whey protein.

NaughtyBoy® ISO-9 was created for those of us who favour purity, those of us who favour the low lactose triple-filtered purity that you get from ISO-9. It's lower-than-usual calorie point allows the ability to be adapted into any type of diet, especially for those who want to keep calories low and pure-quality protein high.

NaughtyBoy® ISO-9 was also created for people who enjoy a smoother thinner style of shake, optimising digestibility, texture and taste. Keeping quality and purity high, whilst keeping fat and carbs low, ISO-9 may be the best thing you can introduce to your diet.

NaughtyBoy® ISO-9 comes in flavours that have been chosen specifically because of the purity and texture of isolate proteins, flavours that suit the smoothness of a pure filtered whey isolate so that we can maintain the commitment to taste that NaughtyBoy®? is known for. NaughtyBoy® ISO-9 will provide you with super bioavailable protein to supply your muscle with exactly what it needs to perform and recover to the best of your abilities and will continue to impress your taste buds with what we do best.

Suggested Use

Simply add 1 rounded scoop (30g) to 200-250ml of cold water and shake or blend until the powder is completely dissolved. NaughtyBoy® Whey protein isolate is versatile and can be easily added to your oats, smoothies and baked goods to increase the protein content.

Important Information

For allergens see ingredients in Bold. This product is manufactured in a plant that processes ingredients containing the following: Milk, Gluten (Oats, Wheat), Soya, Egg, Celery, Mustard, Sulphites, Fish, Crustaceans, Peanuts & Nuts. This product may contain traces of these allergens.


Product Form
Primary Ingredients
Whey Protein
Protein Quality
Pure Isolate
Choose your Goal
Muscle Gain & Size, Lean Muscle & Definition,
Drug Tested for Sport

Delivery & returns


We offer a number of delivery options at the checkout. If you add your items to your basket and enter your postcode all delivery options, estimated delivery dates and pricing for your area will be shown.

View or full Deliveries Policy here.


We want you to be happy with every purchase you make. Accordingly, you may inspect the items you buy as if you were in one of our stores. However, whilst you are deciding whether to keep your purchases, you do have a statutory duty to take reasonable care of our goods. Therefore, please do not damage the items whilst you inspect them.

Where you have failed to take reasonable care of the goods, whether whilst in your possession or when returning them, we reserve the right to refund you in full less any amounts due by way of compensation to either repair the goods or to cover any loss.

If you wish to return a product you have purchased from our website, making note of any Non-returnable products, you may do so.

View or full Returns Policy here.