Optimum Nutrition Pro Gainer

Our Rating
Overall Rating 100%
Ingredients 100%
Effectiveness 100%
Quality 100%


Optimum Nutrition Pro Gainer is a weight gainer supplement powder that combines the best ingredients to help you gain some weight. The overall feel for this weight gainer online is generally positive. The brands credibility makes Optimum Nutrition Pro Gainer a fantastic weight gainer for beginners and advanced athletes.


  • This mass gainer contains whey protein isolate, which is ideal for athletic recovery and muscle-building.


  • Mass gainers that contain whey protein have a number of expect health benefits, including evidence that supports its use for muscle gain.
  • Optimum Nutrition Pro Gainer measures at 60g of protein per 165g of product and totaled 650 calories per serving.


  • Presence of Acesulfame Potassium (Ace K)
  • This weight gainer also contains Sucralose (Splenda), considered a safer artificial sweetener. 
The Details
Serving Size 1 Large Scoop (165g)
Price/Serving $4.60
Calories/Serving 650
Protein/Serving 60g
Ingredients in Optimum Nutrition Pro Gainer

Maltodextrin, Protein Blend (Whey Protein Isolate, Whey Protein Concentrate, Calcium Caseinate, Egg Whites, Whey Peptides, Whey Glutamine Peptides), Lipid Blend (Medium Chain Triglycerides, High Oleic Sunflower Oil), Partially Hydrogenated Guar Gum, Natural And Artificial Flavor, Lecithin, Vitamin and Mineral Blend (Dimagnesium Phosphate, Calcium Carbonate, Tricalcium Phosphate, Maltodextrin, Ascorbic Acid, Ferric Orthophosphate, Molybdenum Amino Acid Chelate, D-Alpha Tocopheryl Acetate, Boron Amino Acid Chelate, 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® Enzyme Blend (Maltodextrin, Amylase, Cellulase, Hemicellulase), Aminogen® Protease, Sucralose, Acesulfame Potassium, Lactase.

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    Reviewed and Written by the Onlinestrength.com Team

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    These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.