GXN (Greenex Nutrition) Rapid Gain

Rated 4.62 out of 5 based on 13 customer ratings
(13 customer reviews)
  • Rapid Gain weight gainer delivers 402 kcal, 71g carbohydrate and 17 g of protein in each serving that supports our muscle for the high-performance workout and supply strength throughout the exercise.
  • Consume the combination of all kinds of essential nutrition using one supplement is Rapid Gain weight gainer. A perfect solution to increase muscle size and body weight.
  • Each serving of Rapid Gain mass gainer provides 1g of creatine and 3.3g of BCAAs, it helps in rapid muscle gain as well as faster muscle recovery.
  • GXN Rapid Gain mass gainer can be used as both pre and post workout supplement. it improves your metabolism and enhances the immune system.
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Rapid Gain is the new and best weight gainer supplement manufactured by GXN. It contains 17 g protein, 1 g creatine, 3.3 g BCAA in each serving. Everyone dreams of building up an attractive body having proper shape and wants to build up muscles hence appearance matters a lot. Being underweight also invites various diseases because of the weakened immune system so it has to be managed to sustain a healthy life. Using weight gain supplements is, therefore, a necessity for lean people. These can be highly beneficial for fast weight gain.


So it is important to make a smart choice and choose a mass gainer which helps in developing a good body but not a fat belly. Rapid Gain is a very important weight gainer for men and solves many of their problems with great benefits such as-

  • It increases the appetite of the person, which lets them gain weight fast.
  • It enhances protein uptake and improves the body’s ability to absorb the given proteins from the diet, which will help in gaining muscles mass thereby increasing the body weight of the person.
  • It is highly effective with no side effects making it the safest choice in weight gain supplements.
  • It helps to gain body weight hence an effective weight supplement for all.
  • It also boosts our energy because of the presence of creatine and BCAA.

People who can use:-

This product can be used by anyone who desires an attractive body having proper shape and wants to build up muscles. Athletes, bodybuilders and fitness enthusiasts to help with muscle recovery, lean muscle growth and general growth use Rapid Gain Supplement.


Although the risk is small, the possibility exists that it may have an allergic reaction to a food, according to Food Allergy, Research, and Education. Weight gainers are a potential source of soy or milk, which are two of the most common food allergens. Medline Plus warns that high doses of creatine may cause damage to your kidneys.


Mix 3 heaping scoops (100 gm) of Rapid Gain with 450ml of full-fat milk (take twice a day). Diabetic, pregnant & breastfeeding women should only use this product upon the advice of a qualified licensed physician.

Additional information


2.2 lbs, 6 lbs, 11 lbs


Rich Chocolate, Strawberry, Milkshake, Cafe Mocha, Mango

13 reviews for GXN (Greenex Nutrition) Rapid Gain

  1. Rated 5 out of 5

    Vinod Kumar

    Best mass gainer for rapid gain. I have been using muscle grow for 1 month and I gained an exact 3 to 4kg weight. Perfect ratio for carbs and protein. Best for a beginner.

  2. Rated 4 out of 5

    Prashant Deswal

    Support in recovery and repairing both. If you want to gain muscle in less time without much hustle, then Rapid Gain is for u…. very awesome supplement

  3. Rated 5 out of 5

    Sanjeev Kaushal

    Best mass gainer quick gain. I have use only 6lbs rapid gain .. I gained 3kg in first 30 days

  4. Rated 5 out of 5

    Aman soni

    Within 2 weeks I saw the best effects of Rapid Gain. This is the best mass gainer in all aspects either it’s about taste or quality. I am using this as a post workout supplement for better absorption and fast digestion.

  5. Rated 4 out of 5

    Jatin Malik

    Firstly I will thank Greenex Nutrition for 100% authentic supplement. There are rare resource available to get genuine supplement. One of them is GXN.. must try supplement.

  6. Rated 5 out of 5

    Harish Saini

    I was stopped believing that any mass gainer could really help me to increase weight. After long hour research on various websites and analyzing each point I ordered rapid gain. Now I trust on both rapid gain mass gainer and proper research. Gained 3 kg in 20 . No doubt this is the best I could get.

  7. Rated 5 out of 5

    Rohan deshmukh

    The best mass gainer for beginner. Three main qualities of this supplement I would like to mention what I liked the most is…. Great taste, Easy to digest and very fast absorption.

  8. Rated 5 out of 5


    This is called the wowww supplement. I bought is protein from amazon. Nice one

  9. Rated 4 out of 5


    Overall I find this supplement 8.5/10…. Taste wise 10/10….

  10. Rated 5 out of 5

    Param Tomar

    Guysz… if you really want to gain weight… without any fat…. Then this mass gainer is for u.. I am telling you my personal experience… this is finest supplement dude…. Very effective.

  11. Rated 5 out of 5

    Abhinav rathore

    I purchased this mass gainer from amazon … because as there were some festival discount … and review was also good by user…. Nice mass gainer… no cons found yet… rest lets see… after using 15 daysz.. I can see some good change…. So for I will give 4/5

  12. Rated 4 out of 5


    I like this mass gainer because of three reason… Great quality, fast mix ability.,….. and the best part is very fast absorption and helps in rapid recovery

  13. Rated 4 out of 5

    Deepak Naudiyal

    Carbohydrate and calorie is present in very high amount in Rapid gain. Each serving of this mass gainer impact your muscle effectively… very easy to drink and digest

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