Serious Mass Chocolate Peanut Butter

by Optimum Nutrition · powder · 6 pounds

  • On the market (NIH)
  • UPC 7 48927 05143 8
  • DSLD label 270149
  • Serving 168 to 336 g (About 2 Heaping Scoops); amounts per 336 g
  • 8 servings

Serious Mass Chocolate Peanut Butter by Optimum Nutrition lists 30 ingredients, 30 with an amount per serving of 336 g, such as 940 mcg of vitamin A, 60 mg of vitamin C, 5 mcg (200 IU) of vitamin D and 20 mg of vitamin E, beside 9 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on February 21, 2023.

What is in Serious Mass Chocolate Peanut Butter?

Each row as the label prints it, per serving of 336 g. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

Serious Mass Chocolate Peanut Butter: Supplement Facts rows against the market (DSLD label 270149, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories1,250 Calories
Total Fat4 g5%Fat (unspecified) in Serious Mass Chocolate Peanut Butter against 11,965 products4 g per serving; the middle half of products list 1 g to 2.5 g, the median 1.5 g.4 g

Higher than 84% of 11,965 products listing fat (unspecified) (median 1.5 g).

Saturated Fat2.5 g13%Saturated fat in Serious Mass Chocolate Peanut Butter against 5,234 products2.5 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1 g.2.5 g

Higher than 83% of 5,234 products listing saturated fat (median 1 g).

Cholesterol95 mg32%Cholesterol in Serious Mass Chocolate Peanut Butter against 5,275 products95 mg per serving; the middle half of products list 5 mg to 45 mg, the median 15 mg.95 mg

Higher than 95% of 5,275 products listing cholesterol (median 15 mg).

Total Carbohydrates253 g92%

This amount is far outside what other labels list for carbohydrate, or disagrees with the label's own %DV: possibly a unit or transcription slip in the database. Check the label image on DSLD.

Dietary Fiber4 g14%Fiber in Serious Mass Chocolate Peanut Butter against 6,987 products4 g per serving; the middle half of products list 1 g to 4 g, the median 2 g.4 g

Higher than 74% of 6,987 products listing fiber (median 2 g).

Total Sugars16 gSugar in Serious Mass Chocolate Peanut Butter against 11,807 products16 g per serving; the middle half of products list 1 g to 4 g, the median 2 g.16 g

Higher than 96% of 11,807 products listing sugar (median 2 g).

Added Sugars10 mg20%
Protein50 g100%Protein in Serious Mass Chocolate Peanut Butter against 8,985 products50 g per serving; the middle half of products list 2 g to 24 g, the median 16 g.50 g

Higher than 96% of 8,985 products listing protein (median 16 g).

Vitamin Aas Beta-Carotene940 mcg104%
Vitamin Cas Ascorbic Acid60 mg67%Vitamin C in Serious Mass Chocolate Peanut Butter against 18,583 products60 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg60 mg

65% of 18,583 products listing vitamin C give more (median 100 mg).

Vitamin Das Cholecalciferol5 mcg (200 IU)25%Vitamin D in Serious Mass Chocolate Peanut Butter against 14,175 products5 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg5 mcg

83% of 14,175 products listing vitamin D give more (median 15 mcg).

Vitamin Eas D-Alpha-Tocopheryl Succinate20 mg133%
Thiaminas Thiamine Mononitrate4.8 mg400%Thiamin in Serious Mass Chocolate Peanut Butter against 9,830 products4.8 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg4.8 mg

50% of 9,830 products listing thiamin give more (median 5 mg).

Riboflavin4 mg308%Riboflavin in Serious Mass Chocolate Peanut Butter against 9,824 products4 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg4 mg

49% of 9,824 products listing riboflavin give more (median 4 mg).

Niacinas Niacinamide50.2 mg314%Niacin in Serious Mass Chocolate Peanut Butter against 12,413 products50.2 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg50.2 mg

Higher than 83% of 12,413 products listing niacin (median 20 mg). 1.4 times the adult UL a day.

Vitamin B6as Pyridoxine Hydrochloride5 mg294%Vitamin B6 in Serious Mass Chocolate Peanut Butter against 15,277 products5 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg5 mg

51% of 15,277 products listing vitamin B6 give more (median 6 mg).

Folateas Folic Acid680 mcg DFE170%
Folic Acid400 mcg DFE
Vitamin B12as Cyanocobalamin11 mcg458%Vitamin B12 in Serious Mass Chocolate Peanut Butter against 14,425 products11 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg11 mcg

67% of 14,425 products listing vitamin B12 give more (median 36 mcg).

Biotinas D-Biotin300 mcg1,000%Biotin in Serious Mass Chocolate Peanut Butter against 9,447 products300 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg300 mcg

Higher than 53% of 9,447 products listing biotin (median 200 mcg).

Pantothenic Acidas D-Calcium Pantothenate25 mg500%Pantothenic Acid (Vitamin B5) in Serious Mass Chocolate Peanut Butter against 10,060 products25 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg25 mg

Higher than 61% of 10,060 products listing pantothenic acid (vitamin B5) (median 12 mg).

Cholineas Choline Bitartrate250 mg45%Choline in Serious Mass Chocolate Peanut Butter against 4,738 products250 mg per serving; the middle half of products list 18 mg to 100 mg, the median 40 mg.DV 550 mgUL 3,500 mg250 mg

Higher than 89% of 4,738 products listing choline (median 40 mg).

Calciumas Calcium Citrate, Dicalcium Phosphate610 mg47%Calcium in Serious Mass Chocolate Peanut Butter against 17,831 products610 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg610 mg

Higher than 93% of 17,831 products listing calcium (median 115 mg).

Ironas Ferrous Fumarate9 mg50%Iron in Serious Mass Chocolate Peanut Butter against 6,910 products9 mg per serving; the middle half of products list 1.2 mg to 18 mg, the median 5 mg.DV 18 mgUL 45 mg9 mg

Higher than 63% of 6,910 products listing iron (median 5 mg).

Phosphorusas Dicalcium Phosphate, Dipotassium Phosphate540 mg43%Phosphorus in Serious Mass Chocolate Peanut Butter against 3,786 products540 mg per serving; the middle half of products list 45 mg to 200 mg, the median 90 mg.DV 1,250 mgUL 4,000 mg540 mg

Higher than 96% of 3,786 products listing phosphorus (median 90 mg).

Iodineas Potassium Iodide53 mcg35%Iodine in Serious Mass Chocolate Peanut Butter against 6,382 products53 mcg per serving; the middle half of products list 75 mcg to 150 mcg, the median 150 mcg.DV 150 mcgUL 1,100 mcg53 mcg

79% of 6,382 products listing iodine give more (median 150 mcg).

Magnesiumas Magnesium Aspartate180 mg43%Magnesium in Serious Mass Chocolate Peanut Butter against 14,003 products180 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg180 mg

Higher than 74% of 14,003 products listing magnesium (median 86 mg).

Zincas Zinc Citrate15 mg136%Zinc in Serious Mass Chocolate Peanut Butter against 13,186 products15 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg15 mg

Higher than 56% of 13,186 products listing zinc (median 11 mg).

Seleniumas Selenomethionine71 mcg129%Selenium in Serious Mass Chocolate Peanut Butter against 7,658 products71 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg71 mcg

Higher than 62% of 7,658 products listing selenium (median 55 mcg).

Copperas Copper Gluconate1 mg111%Copper in Serious Mass Chocolate Peanut Butter against 6,468 products1 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg1 mg

40% of 6,468 products listing copper give more (median 1 mg).

Manganeseas Manganese Amino Acid Chelate2.45 mg107%Manganese in Serious Mass Chocolate Peanut Butter against 7,016 products2.45 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg2.45 mg

Higher than 68% of 7,016 products listing manganese (median 2 mg).

Chromiumas Chromium Polynicotinate120 mcg343%Chromium in Serious Mass Chocolate Peanut Butter against 7,825 products120 mcg per serving; the middle half of products list 45 mcg to 200 mcg, the median 100 mcg.DV 35 mcg120 mcg

Higher than 54% of 7,825 products listing chromium (median 100 mcg).

Molybdenumas Molybdenum Amino Acid Chelate80 mcg178%Molybdenum in Serious Mass Chocolate Peanut Butter against 4,390 products80 mcg per serving; the middle half of products list 25 mcg to 75 mcg, the median 50 mcg.DV 45 mcgUL 2,000 mcg80 mcg

Higher than 84% of 4,390 products listing molybdenum (median 50 mcg).

Sodium690 mg30%Sodium in Serious Mass Chocolate Peanut Butter against 14,514 products690 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.690 mg

Higher than 98% of 14,514 products listing sodium (median 55 mg).

Potassiumas Dipotassium Phosphate1,100 mg23%Potassium in Serious Mass Chocolate Peanut Butter against 11,614 products1,100 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg1,100 mg

Higher than 99% of 11,614 products listing potassium (median 99 mg).

Creatine Monohydrate3 gCreatine in Serious Mass Chocolate Peanut Butter against 1,768 products3 g per serving; the middle half of products list 1.11 g to 5 g, the median 2.5 g.3 g

Higher than 53% of 1,768 products listing creatine (median 2.5 g).

L-Glutamine500 mgGlutamine in Serious Mass Chocolate Peanut Butter against 1,850 products0.5 g per serving; the middle half of products list 0.356 g to 3 g, the median 1 g.0.5 g

63% of 1,850 products listing glutamine give more (median 1 g).

Inositol250 mgInositol in Serious Mass Chocolate Peanut Butter against 4,042 products250 mg per serving; the middle half of products list 10 mg to 80 mg, the median 30 mg.250 mg

Higher than 90% of 4,042 products listing inositol (median 30 mg).

Paba5 mgPABA in Serious Mass Chocolate Peanut Butter against 1,610 products5 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.5 mg

85% of 1,610 products listing PABA give more (median 25 mg).

Source: NIH ODS Dietary Supplement Label Database, label 270149 (entered February 21, 2023), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • At 1 serving a day, the most its directions give, the label lists 50.2 mg of niacin, 1.4 times the adult Tolerable Upper Intake Level.
  • Its 610 mg of calcium is higher than 93% of the 17,831 calcium products that print an amount; 1,260 list more.
  • Its 540 mg of phosphorus is higher than 96% of the 3,786 phosphorus products that print an amount; 159 list more.
  • Its 1,100 mg of potassium is higher than 99% of the 11,614 potassium products that print an amount; 122 list more.
  • Its 250 mg of inositol is higher than 90% of the 4,042 inositol products that print an amount; 322 list more.
  • 85% of the 1,610 products that print an amount of PABA list more than its 5 mg of paba (filed by NIH under PABA) (median 25 mg).

The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

5 products list the very same ingredients; the nearest amounts come first.

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
336 grams About 2 heaping scoops serious mass protein powder 24 fl oz Cold water, milk or other beverage 30-45 seconds Blend until dissolved Tips: New users may find it beneficial to begin with 1/2 of a serving daily for the first week and then gradually increase to 1 serving a day.
Suggested Use: For healthy adults, consume enough protein to meet your daily protein requirements with a combination of high protein foods and protein supplements throughout the day as part of a balanced diet and exercise program.
Warnings
Contains: Egg, milk, soy.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 270149.

What else is on the label?

Other ingredients: Maltodextrin, Protein Blend, Cocoa, Natural and Artificial flavors, Medium Chain Triglyceride, Creamer, Salt, Sucralose, Acesulfame Potassium.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Informed Choice We test - you trust Informed Choice is a quality assurance program for sports nutrition products. The program certifies that nutritional supplements that bear the Informed Choice logo are regularly tested for banned substances by the world class sports anti-doping lab, LGC Limited. Manufactured in the USA This product contains ingredients of international and domestic origin. Listed with: Informed Sport or Informed Choice (a seal is the label's claim; the certifier's own list confirms it).

How many labels does Serious Mass Chocolate Peanut Butter have?

One label is on file, entered on February 21, 2023.

  1. Label 270149 (current) Entered February 21, 2023 · on the market · 6 pounds · UPC 7 48927 05143 8

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Optimum Nutrition, Inc. (manufacturer), Downers Grove, IL. All Optimum Nutrition products.

Where next?