Hydro-Iso Performance 1.8Kg


(20 customer reviews)


A Blend of Quality Protein Rich Supplements

Hydro-ISO Performance uses top quality hydrolysed whey and whey isolate to formulate a purer protein rich supplements mix that supports top end muscle growth and recovery.

Because of the protein rich diet blend, this supplement has higher levels of naturally occurring essential amino’s and branch chain amino acids (BCAA’s) for optimum recovery and muscle growth.

Key benefits

  • Optimum recovery and muscle growth
  • Fast digestion rate with  hydrolyse & whey isolate
  • Naturally high in amino rich supplements and BCAAs
  • Great Tasting
  • Easily Mixed
  • Low Lactose

When to take this? FIRST THING IN THE MORNING & POST WORKOUT. Using top end post workout supplements makes this protein ideal to have first thing in the morning when the body has been depleted of nutrition overnight due to sleep. This Hydrolysed Whey Protein is also ideal to have as a post workout shake due to its richness in muscle growth supplements. If you did opt for this, we would also recommend combining with “Muscle intra xcel” (carb recovery product)  to replenish the body with carbohydrates post exercise. This protein also boasts 6.2g BCAA which is great to enhance muscle recovery. Finally, this protein has less than 1g of sugar and 1g of fat making it perfect for anyone with strict calorie intake like a dieting bodybuilder. Unlike in other post workout shakes, taste has not been compromised. In fact, it is our biggest seller for a reason.


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Loaded with muscle growth BCAAs

  • Hydro-ISO is a food supplement blend of:
  • Hydrolysed Whey Protein
  • Whey Isolate
  • Whey Concentrate
  • 25g Protein per serving
  • 6.2g BCAAs naturally occurring
  • Less than 2g of sugar
  • Low Lactose Protein

HYDRO-ISO Performance uses top quality hydrolysed whey and whey isolate to formulate a purer protein mix that supports top end muscle growth and recovery.

The protein blend means it has higher levels of naturally occurring essential amino’s and branch chain amino acids (BCAAs) for optimum recovery and muscle growth.

Nutritional Benefits:

  • 100% pure protein blend
  • Fastest digestion rate from a Hydrolyse and Whey isolate
  • Naturally high in branch chain amino acids (BCAAs)
  • Low Lactose protein
  • Gluten and wheat free.
  • Rapidly digested supplements with sweeteners and absorbed into the blood stream providing more amino acids to the working muscles and at a quicker rate compared to whey protein concentrate
  • Prevents muscle break during training sessions
  • Speeds up recovery and reduces muscle soreness post training
  • Restores more carbs into muscles as glycogen post training compared to whey concentrate

Hydro-ISO is ideal for:

  • Training early morning and you don’t have time to eat 60 – 90 minutes before a workout
  • People requiring a top quality fast acting purer protein without additional supplements
  • Perfect post training to maximise recovery, especially if training more than once in a day
  • Those who suffer with IBS – This product has a very high customer satisfaction veryrate, thanks to its well-thought out blend of supplements for IBS.

Fission Nutrition:

Fission Nutrition is a bespoke supplement company priding themselves in offering high quality affordable nutritional supplements including protein shakes. Fission’s team of experts have the knowledge and practical experience in their wide range of products to ensure you the customer can fuel your success.

Additional information


Banana, Strawberry, Chocolate, Vanilla, Salted Caramel


Whey Protein Hydrolysate* 44.4%, Whey Protein Concentrate 10%, whey isolate  44.4%, , Flavouring, Colour (Cocoa Powder Chocolate Variations Only),(Berry Blend Strawberry Variations Only),(Carotene E160a Banana & Vanilla Variations Only), Sweetener (sucralose)

Naturally occurring BCAA’s.

Please Note: Nutritional Values and Ingredients may vary between flavours.

Nutritional Information

Per 30gPer 100g
of which saturates0.7g2.5g
of which sugars0.6g2.1g
BCAA Breakdown

Mix 1 scoop (30g) with 200ml of water.


This product Contains: Milk. The salt content is exclusively due to the presence of naturally occurring sodium. Manufactured in a factory that handles peanuts, eggs, nuts and cereals containing gluten.

All values shown are based on dry matter. Nitrogen measures on non-dairy proteins are N x 6.25, dairy protein N x 6.38.

20 reviews for Hydro-Iso Performance 1.8Kg

  1. lee.tinnion

    Great tasting protein that does exactly what you want a quality supplement to do, mixes great and no bloat which I’ve found when consuming some proteins pre and post training. Like most consumers that train I’ve tried a lot of different manufacturers and find fission hard to beat in terms of quality.

  2. samdaviesuk (verified owner)

    Great taste. Love the salted caramel. Undenianble quality.

  3. samdaviesuk (verified owner)

    Great taste. Love the salted caramel. Undeniable quality.

  4. Liam (verified owner)

    One of the best if not the best post workout proteins I’ve used thus far, mixes well tastes amazing zero bowl or digestion issues and the price compared to other hydrolized or whey isolates is atleast a £10 difference if not more if you use a promotional code which there usually is one on most of the time. LOOK NO FURTHER FOR A FAST DIGESTING RAPID ABSORPTION PROTEIN

    Great customer service and rapid delivery, along side a very responsive team on their Facebook page also.

  5. beckie_w (verified owner)

    The best protein I’ve ever used! Salted caramel is my favourite. Tastes nice, doesn’t cause bloating and mixes well with water as a shake and perfect to cook with (pancakes being the best)! Most other brands trigger my IBS and causes my skin to flare up but I’ve never had any issues with Hydro Iso.

  6. Koh Ong (verified owner)

    Blends well with no clumps , great taste is a bonus ! Definitely see the difference in quality after only 2 weeks! Recovery was noticeably faster. (Was using On for a year)

  7. kevhodge2802 (verified owner)

    Quality product is the hydro iso whey love the salted caramel taste one of the best proteins I’ve had for taste and mixing.
    Very helpful people if got a problem fast response to questions.

  8. Jack Grant (verified owner)

    Used Hydro Iso for the last 2 years and not looked elsewhere since. Tastes great and mixes well, I have had the chocolate and vanilla and would recommend both. Previously used other brands (my protein/BSN) but found hydro iso was the best for taste and price on the market. In other brands I have struggled with the high lactose content in them, I have had no issues at all using hydro iso. Would highly recommend.

  9. omalleydarragh (verified owner)

    Great value, taste and service. Been using Fission for awhile now and wouldn’t look back!

  10. Brian Owens (verified owner)

    Started using fission recently. Easy to mix, tastes great, and goes down well. Excellent product.

  11. Suzanne (verified owner)

    One of the best if not the best post workout protein I’ve tried.

    I’ve been using this product since late 2016, & my go to flavours are Chocolate & Strawberry. The protein is really smooth, blends well & it does not cause any issues with my IBS.

    I honestly wouldn’t ever change to any other brand again.

    Customer service has always been spot on.

  12. bilsborrow.1 (verified owner)

    Been using this protein for a few months now an the taste & quality is amazing! Just what you look for in a protein!
    Great value for money & great service.

  13. adam_finney (verified owner)

    I’ve Struggled with a sensitivity issue towards milk and whey proteins for several years, I’ve tried vegan options in the past but the general taste was a downside and I still suffered from bloating. I Cut out all shakes completely for at least the last 12 months until I was recommended hydro iso performance to which at first I was slightly sceptical as it still contains whey, however to my relief, I suffer no bloating no stomach cramps or side affects at all! Absolute game changer for me, and for anyone with a similar sensitivity issue!

  14. Dean Lightbody

    Hydro-Iso is a very tasty protein and I have been using it for over a year now and you definitely can feel the difference in yourself when you haven’t had any. I Would recommend for sure, especially the Banana flavour.

  15. Colette Berry (verified owner)

    I’ve never been able to have a protein supplement / shake… until now.
    I have terrible IBS and food sensitivity issues. When I read these reviews I was intrigued how there could be a miracle product for me to try – such as this. And it really did deliver.

    I’m not 100 sure why. But even due to the fact that… since I can have this straight after a workout I’m not tearing the cupboards apart to eat rubbish food / snacks with ravenous hunger… I actually think my IBS has improved since using this daily.

    Also I’ve just stopped eating meat. During the couple of weeks / first month this protein supplement was a lifesaver. I felt nauseous and really over tired while my body got used to not eating meat. I felt so much better after a shake!

  16. Helen Gavin (verified owner)

    I’ve been using this protein for about 6 months now and it’s safe to say it is the best blend I’ve had by a mile.

    It mixes well, leaving no lumps or clumps, tastes great and isn’t too overpowering, and best of all it doesn’t bloat me like lots of other brands tend to do.

    I’ve tried lots of different types over the years and I’m so happy I found Fission.

  17. hanobrien (verified owner)

    First tried Fission Hydro Iso after hearing that it was suitable for anyone with a lactose intolerance. That couldn’t be more true! I’ve tried so many other whey protein powders over the years and have suffered from bloating, feeling sick and even headaches with every other one.
    I don’t get any of these symptoms with Hydro Iso, which is an added benefit on top of how tasty it is. It mixes so well with both water and milk, as well as in smoothies.
    This will definitely be my go-to from now on! Couldn’t recommend more.

  18. Danielle Symeou (verified owner)

    My new favourite go-to Protein 🙌
    Tried the Hydro Iso after a recommendation for lactose intolerant alternatives. I noticed a difference in the first week using as a post-workout shake. Really struggled with so many whey protein well known brands (bloat, skin flare ups, poor digestion) aswell as taste being compromised. I’m using the banana flavour and it’s spot on!
    This mixes really well with water just as good as it does with milk or in smoothies.

  19. Tom Barlow (verified owner)

    I’ve always had issues bloating off various different whey’s that I’ve used over the years, so turned to vegan proteins. After speaking to Fission at an event about this issue they were really helpful and recommended the Hydro Iso. I would highly recommend. I’m on my second order of this now, no signs of any bloating and it’s far nicer to drink than any of the vegan blends that I’ve used in the past.

  20. andymoore_ajm (verified owner)

    Really good protein, I suffer from lactose intolerance and this is really good compared to other brands! It mixes really well and is a great taste, I’ve tried salted caramel and chocolate so far and they’re both great!

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