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20 Best Protein For Skinny Guys To Bulk Up (2022 Updated)

Protein is an essential macronutrient for all people, but it is especially important for skinny guys looking to bulk up. Protein is the building block of muscle, so consuming enough protein is crucial for gaining muscle mass.

The best way to get protein is through diet, specifically by eating plenty of protein-rich foods such as meat, fish, poultry, eggs, dairy, and legumes. In addition, guys looking to bulk up should also focus on consuming more calories and lifting heavy weights.

20 Best Protein For Skinny Guys To Bulk Up

1. Optimum Nutrition – Serious Mass 12 lbs / Chocolate Peanut Butter

Optimum Nutrition - Serious Mass 12 lbs / Chocolate Peanut Butter

  • 12 Pound

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The Vitamin Shoppe
AllStarHealth.com

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Total Fat 7g
Saturated Fat 4
Cholesterol 95
Sodium 700
Total Carbohydrate 249

2. Labrada Nutrition Muscle Mass Gainer, Strawberry / 12 lbs

Labrada Nutrition Muscle Mass Gainer, Strawberry / 12 lbs

  • 12 lb

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Labrada

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Assembled Product Weight 14.03 lbs
Flavor Strawberry
Assembled Product Dimensions (L x W x H) 16.00 x 6.00 x 21.00 Inches

3. Optimum Nutrition Serious Mass Weight Gain Powder, Chocolate – 12 lb bag

Optimum Nutrition Serious Mass Weight Gain Powder, Chocolate - 12 lb bag

  • 12 Pound

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Walmart – iServe Products
Optimum Nutrition – US
The Vitamin Shoppe

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Units in Package 1
Unit Size 12 lb
Directions Suggested Use: Add two (2) heaping scoops (scoop included) of Serious Mass to a large blender filled with 24 fl oz of cold water or milk. If desired, add ice and other ingredients; cover and blend on high speed for 45 to 60 seconds – or until thoroughly mixed. Note: New users may find it beneficial to begin with one half (1/2) of a serving daily for the first week, gradually increasing to one or more full servings several times a day. Store in a cool, dry place.
Ingredients Maltodextrin, Proprietary Protein Blend (Whey Protein Concentrate, Calcium Caseinate, Egg Albumen, Sweet Dairy Whey), Cocoa, Natural and Artificial Flavor, Vitamin and Mineral Blend (Dipotassium Phosphate, Magnesium Aspartate, Dicalcium Phosphate, Calcium Citrate, Ascorbic Acid, Niacinamide, Zinc Citrate, Beta Carotene, D-Calcium Pantothenate, D-Alpha Tocopheryl Succinate, Selenomethionine, Copper Gluconate, Ferrous Fumarate, Manganese Amino Acids Chelate, Thiamin Mononitrate, Pyridoxine Hydrochloride, Riboflavin, Chromium Polynicotinate, Folic Acid, Biotin, Molybdenum Amino Acid Chelate, Cholecalciferol, Potassium Iodide, Cyanocobalamin), Acesulfame Potassium, Medium Chain Triglycerides.
Warnings Allergen Information: Contains dairy, corn, egg, soy (from Lecithin), and wheat ingredients. Diabetics and Hypoglycemics, consult a physician before using this product. Keep out of reach of children.

4. BPI Sports Best Protein Advanced 100% Protein Formula, Vanilla Swirl, 5 Pounds

BPI Sports Best Protein Advanced 100% Protein Formula, Vanilla Swirl, 5 Pounds

  • Vanilla Swirl

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Gotham Supplements

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Details
Product Type Whey protein
Product Form Powder
Weight 5 lbs
Purpose Muscle gain and weight loss
Gluten-Free Yes

5. ON Pro Complex High-Protein Lean Gainer, Vanilla Custard – 5.08 lb

ON Pro Complex High-Protein Lean Gainer, Vanilla Custard - 5.08 lb

  • 5.08 lbs

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GNC

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Units in Package 1
Unit Size 5.08 lb
Directions Spoon Stirred: Just add one heaping scoop of Pro Complex Gainer to a glass filled with 16 oz of water, nonfat milk or your favorite beverage. Then mix it up with a spoon. Stir for about 20 seconds or until powder is completely dissolved. Shaker: Just add one heaping scoop of Pro Complex Gainer to your shaker cup and then pour in 16 oz of your preferred beverage. Cover and shake for 20-30 seconds. Tip: Mixing one scoop with 6-8 fl oz of nonfat milk instead of water will give you a thicker, creamier shake. Blender: Add one heaping scoop of Pro Complex Gainer to a blender filled with 16 oz of water, nonfat milk, or your favorite beverage. Blend for 30-40 seconds. Then add a few ice cubes and blend for an additional 30 seconds. Pro Complex Gainer is a superior formula that can be used to support high-calorie needs in a variety of ways. Between Meals: Drink 1-2 servings of Pro Complex Gainer between meals to maintain positive nitrogen balance and support a high-calorie diet. Post-Workout: Begin drinking one serving of Pro Complex Gainer 30-60 minutes following exercise to support maximum recovery. Before Bed: Drink one serving of Pro Complex Gainer about 45-60 minutes before bed to provide nutrients to recovering muscle throughout the night. Note: For best results use Pro Complex Gainer combined with intense weight training (3-5 times per week) and a sensible diet. Also, keep in mind that sufficient recovery between workouts impacts your ability to gain lean mass. Allowing at least 48 hours between workouts involving the same body parts is recommended. As a general rule, consume approximately 1 gram of protein per pound of body weight per day, spread over 5-7 meals and/or supplements. Store in a cool, dry place.
Ingredients Maltodextrin, Protein Blend (Whey Protein Isolate, Whey Protein Concentrate, Calcium Caseinate, Egg Albumen, Hydrolyzed Whey Peptides, Glutamine Peptides), Lipid Blend (Medium Chain Triglycerides, High Oleic Sunflower Oil), Partially Hydrolyzed Guar Gum, Natural and Artificial Flavors, Lecithin, Vitamin/Mineral Blend (DiMagnesium Phosphate, Calcium Carbonate, Tricalcium Phosphate, Maltodextrin, Ascorbic Acid, Ferric Orthophosphate, Molybdenum AA Chelate, d-Alpha Tocopheryl Acetate, Boron Proteinate, Niacinamide, Zinc Oxide, Manganese Sulfate, D-Calcium Pantothenate, Selenomethionine, Pyridoxine Hydrochloride, Vitamin A Palmitate, Cupric Oxide, Chromium Polynicotinate, Thiamin Hydrochloride, Riboflavin, Beta Carotene, Folic Acid, Biotin, Potassium Iodide, Cyanocobalamin), Salt, Carbogen, Aminogen, Sucralose, Acesulfame Potassium, Lactase.
Warnings Allergen Information: Contains milk, egg, soy (lecithin), and wheat (glutamine peptides) ingredients. Keep out of reach of children. Diabetics and hypoglycemics should only use this product under the advice of a qualified, licensed physician or dietician. Contents sold by weight, not volume. Some settling may occur.

6. MRM All Natural Gainer, French Vanilla – 3.3 lb

MRM All Natural Gainer, French Vanilla - 3.3 lb

  • Calories from Fat 59.0.
  • Protein 25.0 g 50% Vitamin A 0.0 mg.
  • Vitamin C 5.0 mg 8% Calcium 210.0 mg 21% Iron 1.0 mg 6% Omega 3 27.0 mg.
  • Calories 488.0.
  • Calories from Fat 102.0.

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Target
PureFormulas.com

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Food Serving Size Description 2 Scoops
Food Serving Size Measure 84g
Food Servings Per Container 18
Allergens Contains milk. This product is manufactured in a facility that processes other products that contain egg.
Derived Nutrition Claim Soy Free

7. Steel Supplements Whey-Pro | 100% Pure Whey Protein Powder for Men and Women | Milk Chocolate | Muscle Gain & Lean Muscle Recovery | Gluten Free |

Steel Supplements Whey-Pro | 100% Pure Whey Protein Powder for Men and Women | Milk Chocolate | Muscle Gain & Lean Muscle Recovery | Gluten Free |

  • Milk Chocolate

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Steel Supplements
iBeautyCity.com

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Product Dimensions 5.75 x 5.75 x 10.25 inches

8. Healthy N Fit Muscular Weight Gain, v3.0, Extreme Vanilla – 2.5 lb

Healthy N Fit Muscular Weight Gain, v3.0, Extreme Vanilla - 2.5 lb

  • 2.5 lb

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Walmart – Prime Health Foods & Supplements
myotcstore.com
Opentip.com

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Details
Units in Package 1
Unit Size 2.5 lb
Directions Mix 3 heaping scoops into water, low fat milk, or the beverage of your choice. Use one or two servings per day, depending on your caloric and protein needs. Consume between meals and/or after workouts. Mixing into milk will further increase the protein and caloric content, and make the shake thicker and creamier. Each serving may be split up into two separate 1/2 servings to better spread your protein intake throughout the day. Do not reduce your regular food intake. Hard-gainers may also want to use 1/2 or 1 serving before bedtime. Store in a cool and dry place, do not refrigerate.
Ingredients Pro-Amino Proprietary Blend of Immediate and Extended Release Anabolic Proteins, Peptides, and Amino Acid [Including: Highest Bioavailability Whey Protein Complex (Containing Whey Protein Concentrate, Isolate, and Hydrolysate – Each Rich in Beta-Lactoglobulin, Alpha-Lactalbumin, Glycomacropeptides, Immunoglobulins, Serum Albumin, and Lactoferrin), Calcium Caseinate (Containing Alpha, Beta, and Kappa Caseins), Egg White Protein, L-Glutamine], New Tech 2.0 Complex Pro-Carbo Blend (Concentrate Glucose Polymers, Brown Rice Powder, Inulin, Ribose), Creatine Monohydrate, Natural Flavors, Stevia Herb Extract, Papain and Bromelain (Natural Plant-Derived Proteolytic Digestive Enzymes), Lactase, Soy Lecithin.
Warnings Contains: milk, egg, and soy. Whey and casein are milk derivatives. Soy lecithin helps to naturally instantize the product. This product is formulated to be used by adults in combination with an intense training regimen, along with a proper and healthy diet. Keep out of the reach of children. As a reminder, it is always recommended to check with your physician before taking any dietary supplements or making a major change to your diet or exercise program, especially if you are pregnant, nursing, taking any medications, or have a medical condition. Discontinue use if you experience any adverse effects. This is a natural product and the appearance and taste may vary.

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Monster B.

9. MuscleTech, 100% Mass Gainer, Vanilla Milkshake

MuscleTech, 100% Mass Gainer, Vanilla Milkshake

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Walgreens.com
Health Central USA

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Details
Serving Size 6 Scoops
Total Fat 4g
Saturated Fat 2.5g
Cholesterol 125mg
Sodium 390mg
Potassium 300mg
Total Carbohydrate 280g
Protein 44g
Calories 1330
Total Sugars 13g
Includes Added Sugars 10g
Creatine monohydrate 5g
L-leucine (as whey protein, L-leucine) 4.7g
L-valine (as whey protein, L-valine) 2.5g
L-isoleucine (as whey protein, L-isoleucine) 2.5g
Calcium 280mg
Iron 0.6mg

10. BSN True-Mass Ultra-Premium AM to PM Lean Mass Gainer, Vanilla Ice Cream – 5.82 lb jar

BSN True-Mass Ultra-Premium AM to PM Lean Mass Gainer, Vanilla Ice Cream - 5.82 lb jar

  • Muscle Growth
  • Exercise Recovery
  • Weight Gain Objectives
  • Mix 3 scoops with 450ml of cold water or any beverage of your choice
  • Vary the amount of liquid to achieve your desired consistency

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GNC
National Nutrition

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Details
Units in Package 1
Unit Size 5.82 lb
Directions As a dietary supplement, take 3 scoops with 16 oz of cold water or beverage of choice. Vary the amount of liquid to achieve desired consistency. Drink 2-4 servings daily, or as needed to satisfy your protein or mass-gaining requirements. To increase your protein and calorie intake per serving and to achieve an amazing milk shake taste, use milk.
Ingredients Other Ingredients: A Sustained Release Ultra-Premium Protein Matrix Comprised of (Ultrafiltered Whey Protein Concentrate [Milk] Rich in Alpha-Lactalbumin, Microfiltered Whey Protein Isolate [Milk] Rich in Whey Isolate Peptide Fractions, Calcium Caseinate, Micellar Alpha and Beta Caseins and Caseinates [Milk], Milk Protein Isolate [Milk], Hydrolyzed Whey Protein [Milk], Egg Whites [Egg], Glutamine Peptides and Glutamine AKG, L-Leucine, L-Isoleucine, and L-Valine), Maltodextrin, Richmix Sunflower Powder Consisting of (Sunflower Oil, Corn Syrup Solids, Sodium Caseinate [Milk], Mono- and Di-Glycerides, and Dipotassium Phosphate), Litesse II Polydextrose, Natural and Artificial Flavors, Nutrisperse MCT Powder Consisting of (Medium Chain Triglycerides, Non-Fat Dry Milk, Disodium Phosphate, and Silicon Dioxide), Vitamin and Mineral Blend Consisting of (Magnesium Phosphate, Ascorbic Acid, Vitamin E Acetate, Biotin, Chromium Chelate, Niacinamide, Vitamin A Palmitate, Selenium Chelate, Calcium Pantothenate, Zinc Oxide, Vitamin K1, Copper Gluconate, Vitamin D3, Manganese Sulfate, Pyridoxine HCl, Thiamin Mononitrate, Riboflavin, Vitamin B12, Folic Acid and Potassium Iodide), Qualicel Cellulose Gum, Ticalose Cellulose Gum, Xanthan Gum, Guar Gum, Gum Acacia, Acesulfame Potassium, Sucralose, Lecithin [Soy], Aminogen and Papain.
Warnings Allergen Warning: Manufactured on equipment which processes products containing milk, egg, soybeans, shellfish, fish oil, tree nuts and peanut flavor.

11. Mass Gainer Protein Supplement with Clean Carbs – Transparent Labs Chocolate Glaze / 2 Tubs

Mass Gainer Protein Supplement with Clean Carbs - Transparent Labs Chocolate Glaze / 2 Tubs

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Nutrition Faktory
Royal Nutrition & Fitness Center

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Sen Z.

12. MHP Up Your Mass XXXL 1350 12 lbs / Cookies & Cream

MHP Up Your Mass XXXL 1350 12 lbs / Cookies & Cream

  • Up your mass XXXL 1350 creates the perfect metabolic and hormonal environment for maximum results.
  • Powerful gains in hard, dense muscle mass.
  • 50g protein – fast & sustained release protein blend.

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NetNutri
IllPumpYouUp.com

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Dosage 6 Scoops
Servings 16

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Joseeldaddy

13. BSN True-Mass Ultra-Premium AM to PM Lean Mass Gainer, Chocolate Milk Shake – 5.75 lbs (2610 g)

BSN True-Mass Ultra-Premium AM to PM Lean Mass Gainer, Chocolate Milk Shake - 5.75 lbs (2610 g)

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DPS Nutrition
N101 Nutrition

Product Details

Specifications

Details
Units in Package 1
Unit Size 5.75 lb
Directions Recommended Use: Mix 3 scoops with 16 oz of cold water or any beverage of your choice. Vary the amount of liquid to achieve your desired consistency. Drink 1-4 servings daily, or as needed to satisfy your protein or mass-gaining requirements. To increase your protein and calorie intake per serving and to achieve an amazing milk shake taste, use milk. Store in a cool dry place.
Ingredients Protein & Amino Acid Matrix Comprised of (Whey Protein Concentrate [Milk & Soy], Whey Protein Isolate [Milk & Soy], Calcium Caseinate [Milk & Soy], Micellar Casein [Milk & Soy], Milk Protein Isolate [Milk & Soy], Hydrolyzed Whey Protein [Milk], Egg Whites [Egg], Glutamine Peptides [Wheat], L-Leucine, L-Isoleucine, and L-Valine), Maltodextrin, Sunflower Powder Consisting of (Sunflower Oil, Corn Syrup Solids, Sodium Caseinate [Milk], Mono- & Diglycerides, Dipotassium Phosphate, Tricalcium Phosphate, and Tocopherols), Dutch Processed Cocoa Powder, Natural & Artificial Flavors [Soy & Milk], Polydextrose, MCT Powder Consisting of (Medium Chain Triglycerides, Non-Fat Dry Milk, Disodium Phosphate, and Silicon Dioxide), Vitamin & Mineral Blend Consisting of (Magnesium Phosphate, Ascorbic Acid, Alpha Tocopheryl Acetate, Biotin, Chromium, Niacinamide, Iron, Vitamin A Palmitate, Selenium, Calcium D-Pantothenate, Zinc, Vitamin K, Copper, Vitamin D, Manganese, Pyridoxine Hydrochloride, Thiamine, Riboflavin, Cyanocobalamin, Folic Acid, and Iodine), Cellulose Gum, Xanthan Gum, Guar Gum, Gum Acacia, Acesulfame Potassium, Sucralose, Lecithin [Soy], Papain, and Bromelain.
Warnings Allergen: Manufactured on equipment which processes products containing milk, egg, soybeans, wheat, shellfish, fish oil, tree nuts, and peanut flavor. Before consuming True-Mass seek advice from a physician if you are unaware of your current health condition, taking any medication, planning any medical procedure, pregnant, nursing, or contemplating pregnancy. Reduce or discontinue use if any adverse reactions occur such as but not limited to gastrointestinal discomfort. True-Mass is only intended to be consumed by healthy adults 18 years of age and older. Keep out of reach of children and pets.

14. Vintage Brawn – Muscle-Building Protein Powder – Old School Labs Banana Milkshake

Vintage Brawn - Muscle-Building Protein Powder - Old School Labs Banana Milkshake

  • Made of protein isolates with zero additives
  • For athletes and bodybuilders of all fitness levels
  • Lactose-free, zero sugar, easy to mix and digest – 30 servings

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Old School Labs

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15. Huge Whey by Huge Supplements – Whey Protein Powder – 25g per Serving

Huge Whey by Huge Supplements - Whey Protein Powder - 25g per Serving

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HugeSupplements

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16. MuscleFit Protein Natural Vanilla 5 Pounds

MuscleFit Protein Natural Vanilla 5 Pounds

  • 5 lb (2.268 kg)

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Piping Rock Health Products

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Edward R
Amagrow

17. Bare Performance Nutrition Whey Protein

Bare Performance Nutrition Whey Protein

  • Fudge Chocolate

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Bare Performance Nutrition
Scheels
beautymeek.com

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Flavor Fudge Chocolate

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Tashinah B.

18. Mtn Ops Magnum Protein Cookies and Cream

Mtn Ops Magnum Protein Cookies and Cream

  • Designed for strength & recovery
  • Anti-inflammatory
  • Improves Muscle Memory & Performance
  • Taste phenomenal (Add a little orange juice to the Vanilla for a perfect morning meal)

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Walmart – Defender Outdoors
Mtn Ops
Scheels

Product Details

Specifications

Details
Serving Size 1 level scoop
Servings Per Tub 32
Gluten-Free Yes

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Travis S.
Evan P.

19. Ghost Whey Protein, Nutter Butter – 2.4 lb

Ghost Whey Protein, Nutter Butter - 2.4 lb

  • Nutter Butter

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GHOST
The Vitamin Shoppe

Product Details

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Details
Units in Package 1
Unit Size 2.4 lb
Directions Mix each scoop (serving) of Ghost whey x nutter butter with 5-6 oz of water or beverage of choice. Vary amount of liquid to taste. Legends don’t always use a shaker. Ghost Whey is versatile AF. Use in smoothies, protein ice cream, oats, pancakes and baked goods. Get inspired at ghostlifestyle.com. Store in a cool, dry place.
Ingredients Whey Protein (Whey Protein Isolate 90% (Sunflower Lecithinated) Whey Protein Concentrate 80% (Sunflower Lecithinated), Hydrolyzed Whey Protein Isolate), Nutter Butter Cookies (Unbleached Enriched Flour (Wheat Flour, Niacin, Reduced Iron, Thiamine Mononitrate, Riboflavin, Folic Acid), Sugar, Peanut Butter (Peanuts, Corn Syrup Solids, Hydrogenated Rapeseed and/or Cottonseed and/or Soybean Oils, Salt, Peanut Oil), Canola Oil, Whole Grain Phosphate), Cornstarch, Soy Lecithin, Artificial Flavor), Peanut Flour (Providing 1 g Protein), Natural and Artificial Flavor, Salt, Cellulose Gum, Digestive Enzymes (Proteases, Bromelain, Lactase), Xanthan Gum, Sucralose.
Warnings Contains: milk, soy, wheat, peanuts. CA Prop 65 Warning: This product may expose you to chemicals including lead known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov. Notice: Use this product as a food supplement only. Do not use for weight reduction. This product is only intended for healthy adults. Immediately discontinue use and consult a licensed, qualified healthcare professional if you experience any adverse reaction to this product. Keep out of reach of children. Do not use if safety seal is broken or missing. Contents sold by weight not volume, some settling may occur.

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Matthew Luna
Carson & Harry

20. Rivalus Clean Gainer, Rich Chocolate – 5 lb tub

Rivalus Clean Gainer, Rich Chocolate - 5 lb tub

  • 5 lbs

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The Vitamin Shoppe
SupplementsGeeks.com
Jubilee Grocery

Product Details

Specifications

Details
Food Serving Size Description 2 Heaping Scoops
Food Serving Size Measure 136g
Food Servings Per Container 16
Allergens CONTAINS MILK & SOY LECITHIN. (Soy Lecithin used as emulsifier). Manufactured on equipment that also processes products containing wheat, egg, peanut flavor & fish oil.
Rich Ingredients Clean Carbohydrate Blend (Glucose Polymers (Maltodextrin), Fructose, Organic Quinoa, Blueberry Powder, Ginger Powder, Monk Fruit, Organic Rice Bran, Oat Fiber), Clean Protein Blend (Whey Protein Concentrate, Whey Protein Isolate, Milk Protein Isolate, Micellar Casein), Clean Lipid Blend (MCTs (From Coconut), Flax Seed Powder, Avocado Powder, Sunflower Powder), Cocoa (processed with Alkali), Natural and Artificial Flavors, BCAAs (L-Leucine, L-Isoleucine, L-Valine), Salt, Guar Gum, Sucralose, Acesulfame Potassium, Stevia.

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Metalmanb
Ccoburn28

Conclusion

Based on the research, it appears that protein is beneficial for skinny guys looking to bulk up. Protein helps to increase muscle mass, which is what skinny guys are looking for. In addition, protein helps to increase strength and power, which can help skinny guys in their quest to bulk up.

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