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Optimum Nutrition GS Pro Gainer Weight Gainer Protein Powder, Double Chocolate, 5.09 Pounds (Packaging May Vary)

Description:

  • Vitamin C and Zinc Provides Immune Support along with Vitamin E
  • 650 CALORIES - delivering calories that count to support your gains
  • 60G PROTEIN BLEND - support your mass gaining goals with high-quality protein
  • 85G CARBOHYDRATES - help restore energy levels
  • 7g SUGAR (OR LESS)
  • 32 VITAMINS & MINERALS - because the nutrient needs of very active individuals may be greater than those of less active people
  • GREAT POST-WORKOUT OR BETWEEN MEALS

  • Putting on size requires a balance of heavy training and quality nutrition. Because everyone's a little different, some have a harder time packing on muscle than others. PRO Gainer is a high-protein formula delivering calories that count during recovery. Each shake provides ample supplemental protein, carbs, vitamins and minerals to build on the amount you're getting through a balanced diet of food. Use PRO Gainer as your post-workout recovery shake and/or high-protein meal between meals.

    Reviews:

    5.0 out of 5 stars High quality calorie gainer / meal replacement

    D. · September 4, 2011

    As an amateur/hobby bodybuilder, this single product has become a staple in my diet over the past 3 years. When I started getting serious about lifting again out of college, I had dropped to 145lbs from my previous high of 175lbs. My metabolism is fast, and I simply had trouble keeping up for a number of reasons: time, money, and the difficulty eating the calories I needed in solid foods. I then found this product, which has helped all three of those issues.VALUE - At approximately $2.25 a serving (when using subscribe and save), this is one of the cheapest quality 650 calorie meals you can provide your body with. I found this to be much more cost effective than trying to put together my own meal. Thanks to Bolo's subscribe and save, the prices compete with the other bigger online supplement retailers and I don't have to worry about re-ordering.PERFORMANCE - I can drink an entire serving in 2-5 minutes without feeling bloated/sick (taste ranges from acceptable to good - banana cream and vanilla are must tries). I have one serving every morning, and one at some point after my workout and before bed. This accounts for 1300 of my 3500 daily calorie intake. For me, without the aid of liquid weight gainers - it would be impossible to achieve my calorie goals and gain lean mass. I especially would struggle in the morning -- I often don't have time to prepare a good meal, and have trouble eating too many solid foods first thing in the morning. Also - understand that while 60 grams of protein a serving may seem like too much, this is not 60 grams of pure whey protein that is metabolized very quickly. It is packed with 7 sources of protein (faster and slower metabolized proteins) so it takes several hours for your body to metabolize the protein.RESULTS - When used with a high quality, high calorie diet and proper lifting routine - this product can help you achieve your daily calorie requirements and consequently gains in lean mass. I have used this product to raise my weight from 145lbs to 187lbs while keeping body fat under 8%. Highly recommend this product over cheaper gainers with more sugars/poorer quality calories.FYI - If you have the time, I recommend following the blending instructions provided. However, if you are short on time - a shaker bottle is best. The blender mixes the product so well, that it will take you 2-3x longer to drink since the volume of product is increased just due to being "frothy" from the blender. While the blender taste cannot be beat (and less water can be used to get good mixing results), a high quality shaker bottle does work well for this stuff as well with 20-40 seconds of shaking and the correct amount of water. You sacrifice taste for a shake that takes less time to drink.

    5.0 out of 5 stars SO GOODD!

    K. · June 4, 2025

    Usually never do reviews but this weight gainer is pretty good. I'm 5'7 and started at 149lbs and now I'm at 155/156lbsPros:-Saw about 8lbs of weight gain over almost a month which is good if you want a lean bulk, if you want to gain weight fast this is not the protein powder for you.-I'm a lot less sore from my workouts. I train as a power lifter and I've noticed significantly decreased DOMS.-minimal bloating and discomfort-The taste is really good. I prefer the vanilla though because it is easier to mix with other flavors.Cons:- Slow weight gain (again not meant to bulk you up fast but slow ,steady, and lean which in the long run is better so you have less fat to cut)-You should weigh your portions, the cup they provide will definitely not get you the serving size.

    5.0 out of 5 stars The Best – Using It for Over 7 Years

    A.C. · July 13, 2025

    Hands down the best protein I’ve used. Great taste, mixes well, and helps with recovery

    5.0 out of 5 stars Excellent Protein for Clean Bulking

    J.P. · February 21, 2014

    Once again, Optimum Nutrition has a winner.To give you an idea of my lifestyle so you can make a comparison, my style of weight-lifting, eating, etc. is more of a "clean-bulking" program. Many will say the concept of the clean bulk is a myth, but I've done it. Is it perfect? Nah, but it works for me. I watch my diet all the time but am no calorie-counting zealot. I exercise every day of the week with five weight lifting sessions and three half-hour interval training cardio sessions (one day is combined of course). I am 5'6" and weigh 138 lbs with about 7% body fat. I am no expert on fitness but I've made it to where I am and I'm proud of it. So this review won't be the most scientific post on Bolo.First off, this is a GAINER protein. I will say that again because it merits repeating. GAINER. Despite it being visible in gigantic green letters on the package, and in the name, and in the description, I am sure some people managed to glaze over this. This is a higher calorie protein while being lower in fat, sugars, etc. so lean mass can be put on. You will put on some great muscle growth if used appropriately with exercise and proper diet. Despite the fact it's a lean gainer, some loss in definition is inevitable. Not all of those calories will go straight towards building muscle mass alone.I have been using this protein since November 2013 and I have seen some great improvements in my muscle gains and my strength shot through the roof. I am sure having the extra calories from the protein to increase muscle growth attributed to those results. Now I did experience some minor loss in definition with this protein since it is after all a GAINER; even with my constant clean diet not all of the calories went straight to my muscles some of it inevitably went to my fat reserves, particularly around the mid-section of course, but the loss in tone was minor. All in all I am thrilled with the results that this protein gave me and how much it bulked up my muscles with such little change to my "aesthetics" so to speak.The protein tastes fine. I am so sick of seeing "THIS PROTEIN DOESN'T TASTE LIKE CANDY. ONE STAR. THIS IS GROSS DO NOT BUY." If you want a candy like taste then go eat chocolate. This is a protein. If it has all the sugars and flavor additives then guess what? It defeats the purpose. Is it the best tasting one I've had? No, but I don't really care. It did it's job and that's what matters.I highly recommend this protein if you're looking to increase muscle mass without adding as much "other mass" AKA lean mass. The price is also a steal for 10 lbs.Pro Tip: If you open the box they ship it in with a knife, be careful. I learned the hard way.

    4.0 out of 5 stars Good stuff, not worth the price. (Just get Gold Standard Whey)

    L.W. · May 31, 2025

    Don’t get me wrong this stuff is great. Tastes great, good protein, good calories, etc… however if you’re on a bulk or just need the calories, you get more grams of protein per dollar with their Gold Standard Whey and then just blend in calorie dense foods, oats, etc into your protein shakes for the calories. You can tailor to your macros better that way anyways!

    5.0 out of 5 stars Quality/value

    M.K. · August 7, 2025

    I was taking naked mass and hated how much sugar was in it, found this and will continue taking this gainer. I have a sensitive stomach and it doesn’t bother me at all and taste great

    I use gold standard whey in the morning with creatine ...

    J. · June 18, 2018

    I use gold standard whey in the morning with creatine and I only use pro gainer after I work out. It has helped me gain 15 lbs of muscle in 3 months while keeping the fat off. You need to eat clean and hit the weights hard with an occasional cardio session if you plan on using this product.

    superb stuff well worth it

    A.H. · March 14, 2015

    Thus stuff in double chocolate flavour is delightful and easily the tastiest protein I've ever had. Highly recommend it if your trying to gain some quality mass but the tub won't last you long ya best bet is get the bigger tub or buy 2 of these 2kg ones. If you make this stuff with skimmed milk it'll top out at 800ish kcals add this to a decent balanced diet and you will get bigger :D

    Amazing taste

    D. · August 5, 2020

    Good mass builder with even better taste. Didn't get tired of it quickly.

    Great quality but high cost per calorie

    S. · September 23, 2015

    Mixes very well (better than ON protein products) and has a very high protein to carb ratios plus tons of essential vitamins and minerals. Taste is quite good (Vanilla Custard) though nothing to rave about.Please note that the total calorie content per dosage is not the highest. It suits me fine, since at 640 calories it is just right to push a normal to slightly lower than maintenance diet into the bulking diet territory (so no complex re-computations needed) and has the right ratio of proteins, fats and carbs not to require re-computation of the rest of the diet. However, if you have very high caloric needs (if you are already a big guy and are struggling with diet targets of 3500+ calories or you are a true ectomorph), this may be an expensive proposition as you may need more than one scoop. At 14-17 scoops per package (depending on how high you heap your scoop) at almost 5K, this is very costly.If high protein content is not a requirment (or if you wish to further supplement with a protein powder) this is not the most cost effective way to gain mass. For pure quality and for medium size people with normal metabolism or slight ectomorphic characteristic, this is a great choice if price is not a consideration.

    Amazing taste, so smooth

    J.Q. · January 16, 2024

    Have never had a protein shake go down easier than this. It is difficult to believe you are getting that many calories when this is smoother than most whey proteins with 1/6th the amount of calories, ect. This stuff is perfectly balanced in flavor, blends perfectly, has low sugar content, just amazing. The only downside is the high price tag which should be about $50-$75 lower when comparing to competitors.

    Optimum Nutrition GS Pro Gainer Weight Gainer Protein Powder, Double Chocolate, 5.09 Pounds (Packaging May Vary)

    Product ID: UO0015E3N1F
    Condition: New

    4.6

    AED50381

    Price includes VAT & Import Duties
    Flavor Name: Double Chocolate
    Size: 14 Servings (Pack of 1)
    Availability: In Stock

    Quantity:

    |

    Order today to get by 7-14 business days

    This item qualifies for free delivery

    Returns & Warranty policies

    Imported From: United States

    At BOLO, we work hard to ensure the products you receive are new, genuine, and sourced from reputable suppliers.

    BOLO is not an authorized or official retailer for most brands, nor are we affiliated with manufacturers unless specifically stated on a product page. Instead, we source verified sellers, authorized distributors or directly from the manufacturer.

    Each product undergoes thorough inspection and verification at our consolidation and fulfilment centers to ensure it meets our strict authenticity and quality standards before being shipped and delivered to you.

    If you ever have concerns regarding the authenticity of a product purchased from us, please contact Bolo Support. We will review your inquiry promptly and, if necessary, provide documentation verifying authenticity or offer a suitable resolution.

    Your trust is our top priority, and we are committed to maintaining transparency and integrity in every transaction.

    All product information, images, descriptions, and reviews originate from the manufacturer or from trusted sellers overseas. BOLO is not affiliated with, endorsed by, or an authorized retailer for most brands listed on our website unless stated otherwise.

    While we strive to display accurate information, variations in packaging, labeling, instructions, or formulation may occasionally occur due to regional differences or supplier updates. For detailed or manufacturer-specific information, please contact the brand directly or reach out to BOLO Support for assistance.

    Unless otherwise stated, all prices displayed on the product page include applicable taxes and import duties.

    BOLO operates in accordance with the laws and regulations of United Arab Emirates. Any items found to be restricted or prohibited for sale within the UAE will be cancelled prior to shipment. We take proactive measures to ensure that only products permitted for sale in United Arab Emirates are listed on our website.

    All items are shipped by air, and any products classified as “Dangerous Goods (DG)” under IATA regulations will be removed from the order and cancelled.

    All orders are processed manually, and we make every effort to process them promptly once confirmed. Products cancelled due to the above reasons will be permanently removed from listings across the website.

    More from this brand

    Similar items from “Weight Gainers”

    Optimum Nutrition GS Pro Gainer Weight Gainer Protein Powder, Double Chocolate, 5.09 Pounds (Packaging May Vary)

    Product ID: UO0015E3N1F
    Condition: New

    4.6

    Optimum Nutrition GS Pro Gainer Weight Gainer Protein Powder, Double Chocolate, 5.09 Pounds (Packaging May Vary)-0
    Flavor Name: Double Chocolate
    Size: 14 Servings (Pack of 1)

    AED50381

    Price includes VAT & Import Duties
    Availability: In Stock

    Quantity:

    |

    Order today to get by 7-14 business days

    This item qualifies for free delivery

    Returns & Warranty policies

    Imported From: United States

    At BOLO, we work hard to ensure the products you receive are new, genuine, and sourced from reputable suppliers.

    BOLO is not an authorized or official retailer for most brands, nor are we affiliated with manufacturers unless specifically stated on a product page. Instead, we source verified sellers, authorized distributors or directly from the manufacturer.

    Each product undergoes thorough inspection and verification at our consolidation and fulfilment centers to ensure it meets our strict authenticity and quality standards before being shipped and delivered to you.

    If you ever have concerns regarding the authenticity of a product purchased from us, please contact Bolo Support. We will review your inquiry promptly and, if necessary, provide documentation verifying authenticity or offer a suitable resolution.

    Your trust is our top priority, and we are committed to maintaining transparency and integrity in every transaction.

    All product information, images, descriptions, and reviews originate from the manufacturer or from trusted sellers overseas. BOLO is not affiliated with, endorsed by, or an authorized retailer for most brands listed on our website unless stated otherwise.

    While we strive to display accurate information, variations in packaging, labeling, instructions, or formulation may occasionally occur due to regional differences or supplier updates. For detailed or manufacturer-specific information, please contact the brand directly or reach out to BOLO Support for assistance.

    Unless otherwise stated, all prices displayed on the product page include applicable taxes and import duties.

    BOLO operates in accordance with the laws and regulations of United Arab Emirates. Any items found to be restricted or prohibited for sale within the UAE will be cancelled prior to shipment. We take proactive measures to ensure that only products permitted for sale in United Arab Emirates are listed on our website.

    All items are shipped by air, and any products classified as “Dangerous Goods (DG)” under IATA regulations will be removed from the order and cancelled.

    All orders are processed manually, and we make every effort to process them promptly once confirmed. Products cancelled due to the above reasons will be permanently removed from listings across the website.

    Description:

  • Vitamin C and Zinc Provides Immune Support along with Vitamin E
  • 650 CALORIES - delivering calories that count to support your gains
  • 60G PROTEIN BLEND - support your mass gaining goals with high-quality protein
  • 85G CARBOHYDRATES - help restore energy levels
  • 7g SUGAR (OR LESS)
  • 32 VITAMINS & MINERALS - because the nutrient needs of very active individuals may be greater than those of less active people
  • GREAT POST-WORKOUT OR BETWEEN MEALS

  • Putting on size requires a balance of heavy training and quality nutrition. Because everyone's a little different, some have a harder time packing on muscle than others. PRO Gainer is a high-protein formula delivering calories that count during recovery. Each shake provides ample supplemental protein, carbs, vitamins and minerals to build on the amount you're getting through a balanced diet of food. Use PRO Gainer as your post-workout recovery shake and/or high-protein meal between meals.

    Reviews:

    5.0 out of 5 stars High quality calorie gainer / meal replacement

    D. · September 4, 2011

    As an amateur/hobby bodybuilder, this single product has become a staple in my diet over the past 3 years. When I started getting serious about lifting again out of college, I had dropped to 145lbs from my previous high of 175lbs. My metabolism is fast, and I simply had trouble keeping up for a number of reasons: time, money, and the difficulty eating the calories I needed in solid foods. I then found this product, which has helped all three of those issues.VALUE - At approximately $2.25 a serving (when using subscribe and save), this is one of the cheapest quality 650 calorie meals you can provide your body with. I found this to be much more cost effective than trying to put together my own meal. Thanks to Bolo's subscribe and save, the prices compete with the other bigger online supplement retailers and I don't have to worry about re-ordering.PERFORMANCE - I can drink an entire serving in 2-5 minutes without feeling bloated/sick (taste ranges from acceptable to good - banana cream and vanilla are must tries). I have one serving every morning, and one at some point after my workout and before bed. This accounts for 1300 of my 3500 daily calorie intake. For me, without the aid of liquid weight gainers - it would be impossible to achieve my calorie goals and gain lean mass. I especially would struggle in the morning -- I often don't have time to prepare a good meal, and have trouble eating too many solid foods first thing in the morning. Also - understand that while 60 grams of protein a serving may seem like too much, this is not 60 grams of pure whey protein that is metabolized very quickly. It is packed with 7 sources of protein (faster and slower metabolized proteins) so it takes several hours for your body to metabolize the protein.RESULTS - When used with a high quality, high calorie diet and proper lifting routine - this product can help you achieve your daily calorie requirements and consequently gains in lean mass. I have used this product to raise my weight from 145lbs to 187lbs while keeping body fat under 8%. Highly recommend this product over cheaper gainers with more sugars/poorer quality calories.FYI - If you have the time, I recommend following the blending instructions provided. However, if you are short on time - a shaker bottle is best. The blender mixes the product so well, that it will take you 2-3x longer to drink since the volume of product is increased just due to being "frothy" from the blender. While the blender taste cannot be beat (and less water can be used to get good mixing results), a high quality shaker bottle does work well for this stuff as well with 20-40 seconds of shaking and the correct amount of water. You sacrifice taste for a shake that takes less time to drink.

    5.0 out of 5 stars SO GOODD!

    K. · June 4, 2025

    Usually never do reviews but this weight gainer is pretty good. I'm 5'7 and started at 149lbs and now I'm at 155/156lbsPros:-Saw about 8lbs of weight gain over almost a month which is good if you want a lean bulk, if you want to gain weight fast this is not the protein powder for you.-I'm a lot less sore from my workouts. I train as a power lifter and I've noticed significantly decreased DOMS.-minimal bloating and discomfort-The taste is really good. I prefer the vanilla though because it is easier to mix with other flavors.Cons:- Slow weight gain (again not meant to bulk you up fast but slow ,steady, and lean which in the long run is better so you have less fat to cut)-You should weigh your portions, the cup they provide will definitely not get you the serving size.

    5.0 out of 5 stars The Best – Using It for Over 7 Years

    A.C. · July 13, 2025

    Hands down the best protein I’ve used. Great taste, mixes well, and helps with recovery

    5.0 out of 5 stars Excellent Protein for Clean Bulking

    J.P. · February 21, 2014

    Once again, Optimum Nutrition has a winner.To give you an idea of my lifestyle so you can make a comparison, my style of weight-lifting, eating, etc. is more of a "clean-bulking" program. Many will say the concept of the clean bulk is a myth, but I've done it. Is it perfect? Nah, but it works for me. I watch my diet all the time but am no calorie-counting zealot. I exercise every day of the week with five weight lifting sessions and three half-hour interval training cardio sessions (one day is combined of course). I am 5'6" and weigh 138 lbs with about 7% body fat. I am no expert on fitness but I've made it to where I am and I'm proud of it. So this review won't be the most scientific post on Bolo.First off, this is a GAINER protein. I will say that again because it merits repeating. GAINER. Despite it being visible in gigantic green letters on the package, and in the name, and in the description, I am sure some people managed to glaze over this. This is a higher calorie protein while being lower in fat, sugars, etc. so lean mass can be put on. You will put on some great muscle growth if used appropriately with exercise and proper diet. Despite the fact it's a lean gainer, some loss in definition is inevitable. Not all of those calories will go straight towards building muscle mass alone.I have been using this protein since November 2013 and I have seen some great improvements in my muscle gains and my strength shot through the roof. I am sure having the extra calories from the protein to increase muscle growth attributed to those results. Now I did experience some minor loss in definition with this protein since it is after all a GAINER; even with my constant clean diet not all of the calories went straight to my muscles some of it inevitably went to my fat reserves, particularly around the mid-section of course, but the loss in tone was minor. All in all I am thrilled with the results that this protein gave me and how much it bulked up my muscles with such little change to my "aesthetics" so to speak.The protein tastes fine. I am so sick of seeing "THIS PROTEIN DOESN'T TASTE LIKE CANDY. ONE STAR. THIS IS GROSS DO NOT BUY." If you want a candy like taste then go eat chocolate. This is a protein. If it has all the sugars and flavor additives then guess what? It defeats the purpose. Is it the best tasting one I've had? No, but I don't really care. It did it's job and that's what matters.I highly recommend this protein if you're looking to increase muscle mass without adding as much "other mass" AKA lean mass. The price is also a steal for 10 lbs.Pro Tip: If you open the box they ship it in with a knife, be careful. I learned the hard way.

    4.0 out of 5 stars Good stuff, not worth the price. (Just get Gold Standard Whey)

    L.W. · May 31, 2025

    Don’t get me wrong this stuff is great. Tastes great, good protein, good calories, etc… however if you’re on a bulk or just need the calories, you get more grams of protein per dollar with their Gold Standard Whey and then just blend in calorie dense foods, oats, etc into your protein shakes for the calories. You can tailor to your macros better that way anyways!

    5.0 out of 5 stars Quality/value

    M.K. · August 7, 2025

    I was taking naked mass and hated how much sugar was in it, found this and will continue taking this gainer. I have a sensitive stomach and it doesn’t bother me at all and taste great

    I use gold standard whey in the morning with creatine ...

    J. · June 18, 2018

    I use gold standard whey in the morning with creatine and I only use pro gainer after I work out. It has helped me gain 15 lbs of muscle in 3 months while keeping the fat off. You need to eat clean and hit the weights hard with an occasional cardio session if you plan on using this product.

    superb stuff well worth it

    A.H. · March 14, 2015

    Thus stuff in double chocolate flavour is delightful and easily the tastiest protein I've ever had. Highly recommend it if your trying to gain some quality mass but the tub won't last you long ya best bet is get the bigger tub or buy 2 of these 2kg ones. If you make this stuff with skimmed milk it'll top out at 800ish kcals add this to a decent balanced diet and you will get bigger :D

    Amazing taste

    D. · August 5, 2020

    Good mass builder with even better taste. Didn't get tired of it quickly.

    Great quality but high cost per calorie

    S. · September 23, 2015

    Mixes very well (better than ON protein products) and has a very high protein to carb ratios plus tons of essential vitamins and minerals. Taste is quite good (Vanilla Custard) though nothing to rave about.Please note that the total calorie content per dosage is not the highest. It suits me fine, since at 640 calories it is just right to push a normal to slightly lower than maintenance diet into the bulking diet territory (so no complex re-computations needed) and has the right ratio of proteins, fats and carbs not to require re-computation of the rest of the diet. However, if you have very high caloric needs (if you are already a big guy and are struggling with diet targets of 3500+ calories or you are a true ectomorph), this may be an expensive proposition as you may need more than one scoop. At 14-17 scoops per package (depending on how high you heap your scoop) at almost 5K, this is very costly.If high protein content is not a requirment (or if you wish to further supplement with a protein powder) this is not the most cost effective way to gain mass. For pure quality and for medium size people with normal metabolism or slight ectomorphic characteristic, this is a great choice if price is not a consideration.

    Amazing taste, so smooth

    J.Q. · January 16, 2024

    Have never had a protein shake go down easier than this. It is difficult to believe you are getting that many calories when this is smoother than most whey proteins with 1/6th the amount of calories, ect. This stuff is perfectly balanced in flavor, blends perfectly, has low sugar content, just amazing. The only downside is the high price tag which should be about $50-$75 lower when comparing to competitors.

    More from this brand

    Similar items from “Weight Gainers”