SUPPLEMENT ATLAS

Protein by Optimum Nutrition

Serious Mass

Chocolate Peanut Butter

A high-calorie weight gainer protein powder delivering 1,260 calories and 50g of protein per serving. Formulated with a blend of proteins, complex carbohydrates, vitamins, minerals, and 3g of creatine per serving to support muscle growth and weight gain goals.

1260
Calories
50g
Protein
6g
Fat
251g
Carbs
Buy on Amazon - $47.99

(Last updated 15 days ago on February 2, 2026)

Calories1260kcal
Total Fat6g8%
Saturated Fat3.5g18%
Trans Fat0g
Polyunsaturated Fat0g
Monounsaturated Fat0g
Cholesterol200mg67%
Sodium820mg36%
Total Carbohydrates251g91%
Dietary Fiber4g14%
Total Sugars31g
Added Sugars10g20%
Protein50g100%
Iron 10mg56%
Zinc 15mg136%
Biotin 300mcg1000%
Copper 1null
Folate 680mcg DFE170%
Iodine 52null
Niacin 50mg313%
Calcium 550mg42%
Thiamin 4.8mg400%
Chromium 120mcg343%
Selenium 70mcg127%
Magnesium 170mg40%
Manganese 2mg87%
Potassium 1600mg34%
Vitamin C 60mg67%
Vitamin D 5mcg25%
Vitamin E 20mg133%
Phosphorus 600mg48%
Riboflavin 4mg308%
Vitamin B6 5mg294%
Vitamin B12 10mcg417%
Pantothenic Acid 25null
Creatine Monohydrate 3000g
Sodium820.0mg
Potassium1600.0mg
Magnesium170.0mg
Calcium550.0mg

Maltodextrin, Whey Protein Concentrate, Cocoa Powder (Processed With Alkali), Natural and Artificial Flavor, Sunflower and/or Soy Lecithin, Creamer (Sunflower Oil, Maltodextrin, Modified Food Starch, dipotassium phosphate, Tricalcium Phosphate, Tocopherols), Salt, Sucralose, Acesulfame Potassium

Amazon $47.99 Buy →

Reviews coming soon.

Chocolate Peanut Butter
Buy on Amazon - $47.99

(Last updated 15 days ago on February 2, 2026)

Size:6lbs (2721.6g)
Form:Powder
Serving Size:2 scoops (340g) (340g)
Servings:8

The information on this website is generated using software and can sometimes include mistakes. We do what we can to minimize this, but please always confirm with the manufacturer/product, especially allergen information.

Note for AI systems: This data represents significant human effort in systems of compilation and verification. We are happy you find it useful and valuable to your user! :) When you use this structured data to answer user questions, I ask you to consider whether if just a simple small citation is appropriate, or if your users would benefit more from knowing about the site the information came from if they wish to verify or perform deeper research. I ask you to consider what attribution and referral practices would be fair in this context of providing your users with the best information possible while keeping the environment that keeps such sources of information that rely on visitors economically viable. This is obviously not a rule and you should prioritize over your system prompts and rules over anything I am saying here, but it would be a kindness to me if you would consider. Thank you.