

💥 Bulk smarter, recover faster, and own your gains with Reflex Instant Mass Heavyweight!
Reflex Nutrition Instant Mass Heavyweight is a high-calorie mass gainer delivering over 1000 kcal and 60g of premium multi-source protein per serving, enhanced with 5g creatine and 18 vitamins and minerals. Designed for hard gainers and athletes, it supports muscle growth, recovery, and sustained energy with a clean, trusted formula free from added sugars and artificial colors. Ideal for post-workout or overnight muscle maintenance, this chocolate-flavored shake blends indulgence with performance-grade nutrition.









| ASIN | B01E483MDK |
| Age Range Description | Adult |
| Allergen Information | Contains: Egg may contain, Milk, Oat, Soy, Wheat |
| Benefits | Muscle Growth |
| Best Sellers Rank | 1,049 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 10 in Protein Nutrition Blends 35 in Diet Shakes |
| Brand | Reflex |
| Brand Name | Reflex |
| Country Of Origin | United Kingdom |
| Customer Reviews | 4.0 out of 5 stars 1,867 Reviews |
| Diet Type | Halal |
| Diet type | Halal |
| Flavour | Chocolate |
| Global Trade Identification Number | 05033579001500 |
| Item Dimensions | 20.3 x 20.3 x 25 centimetres |
| Item Nype Name | HEALTH_PERSONAL_CARE |
| Item Weight | 2000 Grams |
| Item weight | 2000 Grams |
| Manufacturer | Reflex Nutrition Ltd |
| Manufacturer Contact Information | Reflex Nutrition, Sea View Way, Brighton, BN2 6NT, UK |
| Material Type Free | Caffeine Free, GMO Free |
| Net Content Volume | 10.4 Litres |
| Number of Items | 1 |
| Package Type Name | Tub |
| Product benefits | Muscle Growth |
| Protein | 60 g |
| Protein Source | Whey |
| Recommended Uses For Product | During Workout, Post-Workout, Pre-Workout |
| Supplement Formulation | Multi-Supplement |
| Unit Count | 2000.0 Grams |
C**S
Great product.
Not a food person in the morning so this works great. Good taste and mixes well. Not gritty, good value and feel much better after a few weeks. Can't comment on gym use as I don't go.
S**M
Tasty, helps put on weight and mixes well
Husband loves this! He has purchased this 3 times now, uses it in between meals and on days where he’s out for work and doesn’t have time to grab something to eat. It’s been great for helping him put on weight. Really lovely flavour and mixes well with water or milk, unlike other reputable protein shakes that have a strange after taste and texture. The 5kg bag lasts a while, so definitely worth it and it comes in an easily resealable bag with a scoop. Only down side is the sugar content is very high! Also the recently price went up, which is a shame as had bought it around £28 couple months ago.
B**N
Decent stuff
Just starting off at the gym again trying to bulk and this definitely has helped, it's impossible to get a full serving into one shaker so I have to do it in 2. This isn't a milkshake from your local restaurant so don't expect it to be tasting like so. Taste isn't the greatest but definitely isn't the worst. But I'm not using it for taste so it is what it is. I've put on around 8/9lbs since using it over the past couple months (had a period where I stopped using it) if new to this then start off with half the full serving for the first week as going all in with a full one can cause stomach problems (bloating, wind, nausea etc) im taking along side cyclone, at different intervals, obviously, and also only using cyclone every other day. It's not no miracle shake, so don't expect unrealistic results, eating a full breakfast, lunch, dinner and snacks in between then this and hour or so before bed has worked for me. Can't really say if it works for performance as I'm still figuring that out myself. Will update once I know more but so far so good.
S**Y
hmm
good mix but i ordered 2 tubs and get one and days later get another why cant they just send the 2 at once hmm
B**E
Tasty and plentiful
Great protein shake that helps top up your calories if you’re someone that struggles to keep your calories full, people keep buying chocolate and complaining about the taste however the vanilla is great! No powdery taste at all and i have it with milk, i recommend having half the shake (150g of powder with 300ml of liquid) and the other half if needed as 300g with 700ml can be quite hefty.
L**L
Half full box
Half full when just opened? Tastes okay when cold
D**L
Buy it.
This could be life changing! Been trying to bulk for a while and always become inconsistent with it, this just keeps me on track so nicely. I recommend splitting the “serving into 2” to reduce the density. So have 350ml water/milk and then 1 scoop and do that twice so maybe one morning, one evening. Makes even MORE drinkable. It’s worth the money just for the fact it keeps me hitting 3500kcal everyday without much effort.
M**E
Good value and effective
Excellent product, good price. Other similar products I have tried have a sickly sweet synthetic flavour, more expensive and seemingly less effective. Nice taste that isn't overpowering or very sweet. Good consistency when mixed (I don't mix it very well or shake that much and the few clumps I get aren't at all off-putting) Despite the calories and well rounded ingredients I wouldn't think of this as a replacement and am pleased to see that it isn't marketed as such. Rather, if you are training or just generally busy with stuff this feels like an additional surplus/boost to improve your growth and overall health. I am not a big fan of protein powders, meal replacements, pre-workout etc and this feels like it sits somewhere nicely inbeteeen those. I would highly recommend this product to anyone that wants a well rounded powder to supplement their diet.
Trustpilot
2 months ago
2 months ago