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Critical Mass Professional is the ultimate mass gainer supplement designed for those looking to increase muscle size, strength, and daily calorie intake. Whether you are a hard gainer struggling to put on weight or an athlete aiming to fuel intense training sessions, this high-calorie formula delivers the nutrition needed to support lean muscle growth and recovery.This new and improved formula provides 42g of high-quality protein per serving, featuring a blend of fast-absorbing and slow-digesting proteins, including ISO-XP (95 percent) Whey Protein Isolate. The balanced release of protein ensures continuous muscle recovery and growth, making it ideal for post-workout replenishment or between meals. Unlike traditional mass gainers, this formula has been refined to contain less sugar, supporting clean weight gain while providing sustained energy. To enhance physical performance and strength, Critical Mass Professional is fortified with HMB, glutamine, chromium, leucine, and a powerful creatine matrix. These essential ingredients help improve endurance, reduce muscle fatigue, and support optimal protein metabolism, making it a superior choice for high-intensity exercise and weight training. Every batch of Critical Mass Professional is halal-certified and undergoes rigorous testing for banned substances under the Informed-Sport programme. Trusted by elite athletes, bodybuilders, and fitness enthusiasts, this mass gainer is formulated to maximize muscle growth, recovery, and performance while ensuring the highest quality and safety standards. Perfect for anyone serious about gaining size and strength, Critical Mass Professional provides an effective, science-backed solution for building lean mass and achieving fitness goals. WARNING, Check with a qualified health professional before using this product if you are under the age of 18, pregnant or nursing a baby or if you have any known or suspected medical condition(s) or are taking any prescription or OTC medication(s). Not to be used as a substitute for a varied diet and healthy lifestyle. Store this product in a cool dry place, away from children. Do not exceed suggested use. For best before dates and batch number see label.
CDS (Superstores International) is not a lender and acts only as an introducer. The credit product is provided by Klarna Financial Services UK Limited (publ). Credit is only available to permanent UK residents aged 18 and over, depending on their status. Terms and conditions apply. Please note that Pay in 30 days and Pay in 3 instalments are not regulated by the FCA.
By working with a variety of trusted Range Marketplace Partners, we’re able to offer our customers a wider selection of products.
When buying partner items like this one, your contract of sale will be with our Range Marketplace Partner instead of The Range.
To learn more about The Range Marketplace and our partners, visit our Range Marketplace page here.
Just contact us within 14 days of receiving your item and we'll authenticate the return.
Read our returns policy for more details
Return within
14 days
Return to store
No
Using returns label
No
Courier collection*
No
Return within
14 days
Return to store
No
Using returns label
No
Courier collection*
Yes
Return within
One year
Return to store
No
Using returns label
No
Courier collection*
Yes
*There may be a charge for the collection of your goods. You will be reimbursed the value of this charge if the returned goods are faulty.
To get product protection, add your item to basket first, then add protection in the basket.
By working with a variety of trusted Range Marketplace Partners, we’re able to offer our customers a wider selection of products.
When buying partner items like this one, your contract of sale will be with our Range Marketplace Partner instead of us.
To learn more about The Range Marketplace and our partners, visit our Range Marketplace page here
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This is a PhoneCheck Certified Refurbished mobile. It may have been used, but it’s undergone a comprehensive 90-point check by an industry standard software solution to ensure that it’s in 100% working condition – helping you to get your hands on a great gadget for an excellent price!
To ensure the quality of this device, PhoneCheck tests and scans:
AccelerometerBattery healthBluetoothButtons & SwitchesData wipeFace ID & FingerprintSensors & featuresCameras & featuresFinance checkGyroscopeMake & ModelMicrophoneSpeakers & microphonesScreen & GlassSIM readerLost & Stolen checkWi-Fi & GPSUnlock statusEach phone comes with a free USB charging cable and 12-month Swycha Warranty.
Clearpay lends you a fixed amount of credit so you can pay for your purchase over 4 instalments, due every 2 weeks. Ensure you can make repayments on time. You must be 18+ and a permanent UK resident (excl Channel Islands). Clearpay charges a £6 late fee for each late instalment and a further £6 if it's still unpaid 7 days later. Late fees are capped at £6 for orders under £24 and the lower of £24 or 25% of the order value for orders over £24. Missed payments may affect your ability to use Clearpay in the future and your details may be passed onto a debt collection agency working on Clearpay's behalf.
Clearpay is credit that is not regulated by the Financial Conduct Authority. T&Cs and other eligibility criteria apply clearpay.co.uk/terms
Made to Order products are those that we make especially for you and so can take a little longer to arrive. They are also excluded from our standard cooling off and change of mind policies. It takes 48 hours for us to process your order before we begin to make your product for you. After this time all Made to Order products are non-returnable and cannot be cancelled. To ensure your order goes smoothly and you are happy with your Made to Order product, please check the following:
Please check our Made To Order terms and conditions
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