BSN True Mass All-In-One Gainer (4.2kg)

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BSN True Mass All In One Gainer is formulated to maximise muscle growth and bring you the best results possible. True Mass will help you break through barriers in size with muscle-building proteins and complex carbohydrates which support muscle recovery.

BSN True Mass All In One Gainer is formulated to maximise muscle growth and bring you the best results possible. True Mass will help you break through barriers in size with muscle-building proteins and complex carbohydrates which support muscle recovery.

BSN NO Xplode Pre-Workout (50 Servings)
10% Off BSN NO Xplode Pre-Workout (50 Servings)
BSN True Mass All-In-One Gainer (4.2kg) + BSN NO Xplode Pre-Workout (50 Servings)
ONLY £74.58
BSN Amino X - 30 Servings
10% Off BSN Amino X - 30 Servings
BSN True Mass All-In-One Gainer (4.2kg) + BSN Amino X - 30 Servings
ONLY £57.48
BSN Supplements

BSN True Mass All-In-One Gainer

BSN True Mass All In One Gainer is formulated to maximise muscle growth and bring you the best results possible. True Mass will help you break through barriers in size with muscle-building proteins and complex carbohydrates which support muscle recovery.

Each 3 scoop serving of True Mass All in One contains a mind-boggling 55g of Protein which works to support muscle growth and give you the muscle development you need. Alongside this each serving has 3g of Creatine which helps to increase physical performance in short, high intensity exercise. To compliment this, True Mass has 3g of L-Glutamine, the amino acid which is the building block of protein.

If you’re looking for serious mass then BSN True Mass All in One Gainer has got you covered.

Key Benefits

  • 55g of Protein – Each three scoop serving of True Mass contains a crazy 55g of Protein to support your muscle development and size.
  • 3g of Creatine – 3g of Creatine is included in True Mass as it increases physical performance in short, high intensity exercise, perfect for weightlifting.
  • 3g of L-Glutamine – The 3g of L-Glutamine in True Mass aids your muscles recovery and helps to repair and build your muscle after every workout.

Who is BSN True Mass All-In-One Gainer For?

If you’re looking to add serious mass then look no further than BSN True Mass All In One Gainer. This gainer has been scientifically formulated to give you the most out of every serving so you get the size you want..

When to use BSN True Mass All In One Gainer?

Mix three heaped scoops in 600ml of cold water, for best results take one serving after exercise or between meals to achieve your goals.

Who Are BSN?

BSN (Bioengineered Supplements and Nutrition) are a real heavyweight supplement brand and significantly CREATED the pre workout supplement category with their original NO-Xplode formula. They are commited to producing the BEST supplements on the market and due to the size of their business they have the means to do so - you can expect any BSN supplement to be exceptional quality with great taste too.

BSN Top Supplements

  • BSN NO Xplode: The ORIGINAL pre workout supplement, NO XPLODE created the pre workout category!
  • BSN NO Xplode Edge XE: New & Updated super concentrated version of NO Xplode
  • BSN Amino X: AMAZING tasting BCAA based effervescent amino acid supplement
Nutritional Information Per Serving (3 Scoops / 168g)
Calories 620
Fat 7.4g
of which Saturates 1.7g
-Carbohydrate 80g
- of which Suagrs 9.4g
Fibre 4.8g
Protein 55g
Salt 2.1g
Vitamin A 421mcg
Vitamin D 2.6mcg
Vitamin E 5.5mcg
Vitamin K 49mcg Vitamin C 38mcg Thiamin 0.6mg Riboflavin 0.73mg Niacin 8.5mg Vitamin B6 0.72mg Folic Acid 93mcg Vitamin B12 1.1mcg Biotin 25mcg Pantothenic Acid 2.8mg Potassium 466mg Chloride 205mg Calcium 351mg Phosphorus 438mg Magnesium 58.5mg Iron 15mg Zinc 18mg Copper 0.78mg Manganese 1.3mg Fluoride 2.3mg Selenium 36mcg Chromium 28mcg Molybdenum 35mcg Iodine 98.5mcg Sodium 844mg L-Glutamine 3g Creatine 3g Taurine 1g Black Pepper Extract 20mg

Ingredients: Maltodextrin, MILK Protein Blend (WHEY Protein Concentrate, WHEY Protein Isolate, Micellar CASEIN, Emulsifier: SOY Lecithin), SOY Protein Isolate, Flavourings, Sunflower Oil Powder [MILK], Creatine Monohydrate, L-Glutamine, Bulking Agent (Polydextrose), Acid (Citric Acid), Thickeners (Carrageenan, Xanthan Gum, Sodium Carboxy Methyl Cellulose), Taurine, Colour (Beetroot Red), Vitamin & Mineral Premix (Sodium L-Ascorbate, Ferric Pyrophosphate, DL-Alpha Tocopherol Acetate, Nicotinamide, Zinc Oxide, Retinyl Acetate, Calcium D-Pantothenate, Sodium Fluoride, Manganese Sulphate, Cyanocobalamin, D-Biotin, Chromium (III) Chloride Hexahydrate, Potassium Iodide, Cholecalciferol, Pteroylmonoglutamic Acid, Sodium Selenite, Cupric Citrate, Pyridoxine Hydrochloride, Thiamine Hydrochloride, Phytomenadione, Riboflavin, Sodium Molybdate), Sweeteners (Acesulfame K, Sucralose), L-Ascorbic Acid, Black Pepper Extract (Piper nigrum, Fruit).

Please Note: Nutritional facts and ingredients may vary slightly between flavours.

Allergen Information: Whey (milk) & Soy

Mix three heaped scoops in 600ml of cold water, for best results take one serving after exercise or between meals to achieve your goals.


Bio-Engineered Supplements and Nutrition, or BSN for short, are an industry leader in the supplements world and are known for their pioneering attitude to creating new and fresh products. Innovative and forward thinking, BSN are responsible for the creation of whole categories of products.

Who are they?

Founded in 2001, BSN set out to create the most unique and effective products on the supplements market. Their scientifically engineered products are designed to enhance your physique and athletic performance while ensuring you get the most out of them you possibly can.

BSN started out in the back of a supplements store in Florida, USA and has gone on to take on the world. To this day their head office remains in Florida and this category creating brand has a relentless dedication to creating dynamic, cutting edge and result producing products which inspire each person to become the very best they can be.

BSN Key Supplements

BSN’s most important supplement has to be their No Xplode Pre-Workout, which actually created the Pre-Workout category of supplements. This outstanding Pre-Workout has been tweaked and improved since its first release and continues to be one of the most loved supplements available today.

But BSN are not a brand to rest on their laurels and have a wide range of industry leading products. Their True Mass weight gainers are some of the best available today and come in a number of variations to provide a tailored experience depending on what you’re looking for. BSN Amino X is a delicious tasting slightly effervescent BCAA based amino acid drink designed to provide energy and critical amino acids for muscle building & recovery.


We will take every effort to get you goods to you as efficiently and effectively as possible. All orders placed before 3pm will be shipped on the day of ordering subject to payment authorization and item availability.

Any items which are out of stock will be shipped as soon as they become available. If this causes a delay in your delivery, you will be notified and your order dispatched as soon as possible. If any items are unavailable, you will be contacted and offered a replacement or refund.

UK Delivery

If your order total is under £40 then you can choose one of:

  • Royal Mail Tracked - £2.95
    (1-3 Working Days)
  • DPD Next Day - £4.95
    (Guaranteed Next Working Day + 1 Hour Delivery Window)

If your order total is over £40 then you can choose

  • Royal Mail Tracked - FREE
  • DPD Next Day -1/2 Price - Only £2.49

Please be aware that the prices above are for areas classed as "UK Mainland" by DPD which does NOT include offshore islands, Scottish highlands or Northern Ireland.

Non-UK Delivery

Our website has a comprehensive postage system which takes into account the weight of your delivery and the destination address - to get a quote for your order please add the products you'd like to buy to your basket, go to the basket page and fill in the "Estimate Shipping & Tax" section to get the price.

BFPO Addresses

This shipping method is available for British Forces Posted Overseas and addresses only. Shipping is as with all other UK mailing but please check to see that the size and weight of your order does not exceed maximums for your BFPO destination number by checking with the BFPO website.

Please note that once we have shipped the item and handed over to the BFPO service we have fulfilled our contract and delivery responsibility. All queries and problems with delivery must be taken up by yourself with BFPO and any claims must be handled between yourself and them.

VAT Exempt

If this applies to you, the price you will pay for the goods will automatically be adjusted to remove the VAT element - you MUST choose the correct country on checkout for this to apply. We CANNOT refund the VAT once the order is completed.

You can also avoid paying VAT if you are having your goods sent to you in the UK, but are taking the goods abroad permanently within 3 months of making the purchase. You will have to pay the VAT with your order but by following the steps outlined you can reclaim the VAT from us:

Request a VAT Reclaim form from us; give us a call or email immediately after ordering. We will complete the relevant parts of this form before sending it to you with your goods. You will then take the form with you and the goods when you leave the UK and you should ask customs to fill in their section of the form at the airport, ferry terminal or channel tunnel when you leave the country.

When you reach your destination outside the EU, you can then send the completed form back to us and we will refund the VAT amount charged to the credit or debit card details you have filled in on the reclaim form


We stock the vast majority of products listed on our website in our Whitley Bay superstore and warehouse and these products are available for same day dispatch & next day delivery.

Due to the huge quantity of products we stock, we offer the ability to backorder products which have gone out of stock and less popular products which we don't carry stock of.

Depending on the brand these backorder products can take anywhere between 1 and 10 days to arrive into stock. We estimate 3-5 working days on average but please be aware that products from some brands can take a little longer

As always if you aren't sure or want a more accurate estimate just give our team a call or email!


You can return any product that is in an UNOPENED, RE-SALEABLE condition within 30 days as long as it is not marked as clearance. Please contact us before doing this so we can confirm this ahead of time - we recommend using a recorded delivery service for any returns as you will be responsible for ensuring it reaches us.

Please get in touch to confirm a return by email or phone before sending anything back. When sending a return it is important that you include:

  • Your order number
  • Your name & a contact telephone number
  • The reason for return

We will try and get your return processed as quickly as possible but if you don't send this information it can delay the return.


If you have ordered something and it doesn't fit then we can exchange for a more suitable size, stock permitting, but you will have to pay the return postage.


Our customers have the right to cancel their orders within 14 days unless their order has been dispatched. After the order has been dispatched, it is the customers responsibility to return the item in a saleable condition and receieve either a full or partial refund.

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