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๐ Serious Gainz: Fuel your bulk, own your gains!
Serious Gainz by The Bulk Protein Company is a 5kg mass gainer designed for hardgainers seeking steady muscle growth and weight gain. Each serving packs ~460 calories, ~27g protein from a blend of whey isolate, soy, and casein, plus ~74g carbs from oat flour and maltodextrin. Ideal for post-workout recovery, it supports muscle repair and sustained energy. Available in multiple flavors, it mixes best with milk for a creamy, enjoyable shake that fits seamlessly into any bulking nutrition plan.











| ASIN | B01AEWOIB0 |
| Age Range Description | Adult |
| Allergen Information | Contains: Eggs, Gluten, Milk, Nut, Peanuts |
| Benefits | Muscle Growth |
| Best Sellers Rank | 914 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 16 in Whey Nutrition Protein |
| Brand | The Bulk Protein Company |
| Brand Name | The Bulk Protein Company |
| Customer Reviews | 4.1 out of 5 stars 1,653 Reviews |
| Diet Type | Vegetarian |
| Diet type | Vegetarian |
| Flavour | Banana |
| Item Dimensions | 29 x 29 x 26 centimetres |
| Item Nype Name | Serious Gainz |
| Item Weight | 5 Kilograms |
| Item weight | 5 Kilograms |
| Manufacturer | Warrior |
| Manufacturer Contact Information | Guinness Road Trading Estate, Unit 1& 3, Guinness Rd, Trafford Park, Stretford, Manchester M17 1SB |
| Manufacturer Part Number | B142 |
| Material Type Free | Fat Free |
| Model Name | Serious Gainz |
| Model Number | B142 |
| Net Content Volume | 5 Kilograms |
| Number of Items | 1 |
| Package Type Name | Tub |
| Protein | 26.9 g |
| Protein Source | Whey |
| Recommended Uses For Product | Post-Workout |
| Servings per container | 40.0 |
| Total Servings Per Container | 40.0 |
| UPC | 754465568390 |
| Unit Count | 5000.0 gram |
J**D
Tastes nice
It tastes nice and everything is in it
P**Y
Bargain for the price
Bargain for the price, I've been using it for 2 week now, I use 2 scoops in my morning porridge with goji berries and linseed followed by a pre workout shake with 2 scoops, 1 spoon coffee, 1 creatine powder, milk and yoghurt and 2 scoops for my protein/carbohydrates shake before bed to see me thru the night, I use half pint of milk, half pot of fat free Greek yoghurt, frozen fruit and 2 hefty scoops for night time, but I have 3 meals a day aswell has snacks, really good for bulking it has a oaty taste so it's better mixed with red top milk, full fat will just make you fat, especially the amount I have lol. Alot better than I expected for the price, I haven't experienced any smelly poop tube farts or an off tummy either, will be getting 2 more tubs for a variety of flavours for my porridge and shakes. Hope this helps peeps
K**T
Tastes like natural banana and does what it's meant to
Happy with price and product. First time trying this flavour (banana) it's more a natural banana taste so no fooling yourself imagining foamy bananas. Does the job and mixes well.
A**F
Tastes great
Banana & Red velvet cake are my preferred flavours. Tastes great & price is right.
C**L
Not good at all!
First negative review I've had to post up (usually just throw whatever it is away and get on with things) had to leave a review on this. Absolutely terrible product Doesn't mix properly at all, stays gritty no matter what you mix it with or how long you mix it. Supposed to be Banana .......just has a really strong chemical taste. Basically had to force it down everytime i used it whilst trying to stop myself bringing it back up straight away. Started feeling quite unwell so i gave up after 4 days of trying and threw it in the bin. It's now the day after I stopped using it and I feel fine again - 5kg Banana flavour (apparently)
C**S
Great mass gainer value for money
This is one of the cheapest mass gainers in the market and i believe its the most value for money aswell , it has a preaty good flavour ( banana) and it has decent calories
W**C
Is it worth the faff?
I've used this protein since early 2023/ late 2022. In conjunction with a decent diet and exercise I've gone from 58kg to around 78kg, I've not gone as hard as I could have and there's been some time of due to sickness, but my point is, it works. It does what is says on the tin. It's protein powder after all. So you may be wondering why the 3 star rating, WELL. - Every flavour aside from Banana is so overpoweringly artificial in its smell and taste that it made me gag. After about 2 weeks the taste and smell fade enough that if you're not as stubborn as I am, and force yourself to drink it anyway, you'll be able to stomach it by then. - Taste and texture is inconsistent from tub to tub. - I have found what appears to be shredded plastic wrap in one of my tubs. My latest tub arrived open and covered in powder, and for whatever reason, this is the point at which I decided to contact customer service, only to find The Bulk Protein Company has closed their phonelines and replaced them with an AI chatbot, because of course they have. So while I await a reply from Customer Service, If I even get one, I figured I would finally review it. It works, but whether the savings are worth putting up with the surrounding issues I leave up to you.
A**R
Good as to be expected
Have tried many different products like this over the years. This stuff is fine. Mix with milk and give it a good stir. All these products to a degree can feel lumpy or gritty. Compared to others this isnโt bad at all. Got banana and it tastes as good as a banana milkshake. Certainly better than a lot of more expensive products. Just remember what it is.
J**I
Thank you
Thank you I loved it
Trustpilot
1 month ago
3 days ago