close


Weight Gainers

It's common to turn to weight gain protein when your fast-burning metabolism won't let you pack on quality pounds through diet alone. Weight gain protein powders don't just fill you up with empty calories, such as low-quality ingredients or sugars either, they contain formulations of high-quality protein blends, complex carbohydrates and healthy fats that make it easy to ingest an extra few thousand calories each day. To further increase muscle mass while minimizing fat gain, some products also include creatine, amino acids and fiber. Save on mass gain protein powder with ProSource today! <<

Set Descending Direction

11 Results - VIEW ALL

  1. Serious Mass
    1
    Save 47%

    Your Price $27.75

    Retail $51.99

    Select flavor

    Serious Mass delivers everything you would expect from a serious weight gainer. Each 2-scoop, 1,250 calorie serving contains 252 grams of carbs, 50 grams of protein and loads of vitamins and minerals. It’s also fortified with glutamine and creatine. Packing on mass just got easier. It’s available in two huge containers (6 lb and 12 lb) with four flavors per size.
  2. Radical Mass
    2

    Radical Mass

    Item GAT041
    Save 44%

    Your Price $49.99

    Retail $89.99

    Select flavor

    Intended for athletes who have difficulty attaining and maintaining significant amounts of mass, this high-impact, calorie-dense formulation offers 50 grams of protein and 177 grams of carbohydrates in an easily mixable format rich in vitamins and minerals. One 10-lb bag provides 18 servings.
  3. Up Your Mass - New Version
    3
    Save 39%

    Your Price $19.99

    Retail $33.00

    Select flavor

    3 out of 10 | 4 Review(s)
    MHP has utilized their passion to keep improving with the introduction of a new, revised edition of their popular Up Your Mass weight gainer. This well rounded formula delivers on quality protein and carbs, creatine monohydrate and other proven ingredients. Pack it on with new Up Your Mass.
  4. Real Gains
    4
    Save 56%

    Your Price $21.75

    Retail $48.95

    Select flavor

    Real Gains is your classic higher calorie hard gainer formula with lots of good protein (54 grams), carbs (86 grams), vitamins, minerals and a built in amino acid profile for enhanced gains. It’s available in two sizes, 3.8 lbs and 6.85 lbs and numerous tasty flavors.
  5. True-Mass
    5

    True-Mass

    By BSN
    Item BSN011
    Save 49%

    Your Price $43.25

    Retail $84.49

    Select flavor

    This might be the hard gainers dream supplement at a remarkable 1230 calories per every two-scoop serving. Within that quantity are healthy fats, 50 grams of an extensive protein blend, 222 grams of quality carbs and more. True Mass is available in a 12 lb bag, and Vanilla Ice Cream and Chocolate Milkshake flavors.
  6. Elite Mass Gainer
    6

    Elite Mass Gainer

    Item DTZ042
    Save 48%

    Your Price $41.95

    Retail $80.99

    Out of stock

    Here is Dymatize’s answer to the weight gainer category. At 600 calories per serving (3 scoops), Elite Mass Gainer contains 54 grams of protein, 75 grams of carbs, vitamins, minerals, healthy fats and enzymes. For added mass gain support it also contains creatine, glutamine and BCAA’s. It’s available in both a 6 lb and big 10 lb container and up to four flavors.
  7. Monster Milk
    7

    Monster Milk

    Item CMX032
    Save 48%

    Your Price $33.95

    Retail $64.99

    Select flavor

    Although Monster Milk might seem to be an offshoot of CytoSport’s original Muscle Milk, the differences are enough for this newer entry to certainly stand alone. It can serve has a solid weight gainer, minus the heavier carb count usually associated with that category, or a slower release nighttime protein. Creatine, glutamine, beta alanine and enzymes are just a few of its other key elements.
  8. Gain Fast 3100
    8
    Save 51%

    Your Price $19.95

    Retail $40.95

    Select flavor

    This hard gainer formula is designed to help pack on weight utilizing an ingredient profile that starts with 162 grams of long chained complex carbs, 37 grams of protein, a blend of arginine, beta sitosterol and others. It also includes metabolic enhancers, creatine monohydrate, glutamine and an array of vitamins and minerals. Gain Fast 3100 is available in a 5.1 lb container and three flavors.
  9. True Mass 1200
    9

    True Mass 1200

    By BSN
    Item BSN043
    Save 46%

    Your Price $48.95

    Retail $90.99

    Select flavor

    True Mass 1200 offers a big, 1,230 calories per serving from a 222-gram blend of carbs (maltodextrin and oat flour) and 50 grams of protein (whey concentrate, calcium caseinate, milk protein isolate, micellar casein, egg albumin, hydrolyzed whey and glutamine peptides) and healthy fats with MCT. Available in Vanilla Ice Cream, Strawberry Milkshake and Chocolate Milkshake flavors.
  10. CytoGainer
    10

    CytoGainer

    Item CMX008
    Save 49%

    Your Price $46.50

    Retail $91.99

    Select flavor

    A longtime quality supplement in the hard gainer category, CytoGainer provides a balance of complex carbs (38 grams) to proteins (27 grams) per each 2 scoop serving. Many athletes double that up to 4 scoops per dose for even greater mass gain power. It also contains a wide array of vitamins and minerals and other growth factors. Available in three delicious flavors.
  11. Super Gainers Fuel 1350
    11
    Save 34%

    Your Price $52.95

    Retail $79.95

    Out of stock

    This remarkable econo weight gainer comes in a huge 12-lb bag that contains a massive 1350 calories per serving, starting with a protein blend made up of whey protein concentrate, milk protein isolate, calcium caseinate and egg white hydrolysate. Other key ingredients include creatine monohydrate for added cell volumization and 256 grams of carbs, primarily of waxy maize starch and maltodextrin. If you’re looking to pack on serious weight and mass, Super Gainers Fuel is for you.

Loading, please wait ... Loading, please wait ...