PlainVitamins

Opus Extreme Intra-Workout Juicy Watermelon

by Magnum Nutraceuticals · powder · 444 grams

  • On the market (NIH)
  • DSLD label 263195
  • Serving 9.25 to 18.5 g (1-2 scoops); amounts per 9.25 g
  • 48 servings

Opus Extreme Intra-Workout Juicy Watermelon by Magnum Nutraceuticals lists 22 ingredients, 22 with an amount per serving of 9.25 g, such as 0.7 mg of vitamin B1, 0.25 mg of vitamin B2, 5 mg of vitamin B6 and 0.5 mcg of vitamin B12, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on May 19, 2022.

What is in Opus Extreme Intra-Workout Juicy Watermelon?

Each row as the label prints it, per serving of 9.25 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).

Opus Extreme Intra-Workout Juicy Watermelon: Supplement Facts rows against the market (DSLD label 263195, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B1as Thiamine0.7 mg47%Thiamin in Opus Extreme Intra-Workout Juicy Watermelon against 9,830 products0.7 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg0.7 mg

89% of 9,830 products listing thiamin give more (median 5 mg).

Vitamin B2as Riboflavin0.25 mg15%Riboflavin in Opus Extreme Intra-Workout Juicy Watermelon against 9,824 products0.25 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg0.25 mg

96% of 9,824 products listing riboflavin give more (median 4 mg).

Vitamin B6as Pyridoxine5 mg250%Vitamin B6 in Opus Extreme Intra-Workout Juicy Watermelon 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).

Vitamin B12as Cyanocobalamin0.5 mcg8%Vitamin B12 in Opus Extreme Intra-Workout Juicy Watermelon against 14,425 products0.5 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg0.5 mcg

over 99% of 14,425 products listing vitamin B12 give more (median 36 mcg).

Pantothenic Acid2.5 mg25%Pantothenic Acid (Vitamin B5) in Opus Extreme Intra-Workout Juicy Watermelon against 10,060 products2.5 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg2.5 mg

91% of 10,060 products listing pantothenic acid (vitamin B5) give more (median 12 mg).

Calcium288 mg29%Calcium in Opus Extreme Intra-Workout Juicy Watermelon against 17,831 products288 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg288 mg

Higher than 77% of 17,831 products listing calcium (median 115 mg).

Sodium190 mg8%Sodium in Opus Extreme Intra-Workout Juicy Watermelon against 14,514 products190 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.190 mg

Higher than 82% of 14,514 products listing sodium (median 55 mg).

Potassium15 mg1%Potassium in Opus Extreme Intra-Workout Juicy Watermelon against 11,614 products15 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg15 mg

91% of 11,614 products listing potassium give more (median 99 mg).

L-Leucine2 gLeucine in Opus Extreme Intra-Workout Juicy Watermelon against 2,056 products2 g per serving; the middle half of products list 1 g to 3.5 g, the median 2.5 g.2 g

58% of 2,056 products listing leucine give more (median 2.5 g).

Beta-Alanine1.6 gBeta-Alanine in Opus Extreme Intra-Workout Juicy Watermelon against 1,778 products1.6 g per serving; the middle half of products list 1.6 g to 3.2 g, the median 2 g.1.6 g

60% of 1,778 products listing beta-alanine give more (median 2 g).

L-Citrulline Malate1.5 gCitrulline malate in Opus Extreme Intra-Workout Juicy Watermelon against 655 products1.5 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.1.5 g

66% of 655 products listing citrulline malate give more (median 3 g).

Glycine1.25 gGlycine in Opus Extreme Intra-Workout Juicy Watermelon against 1,078 products1,250 mg per serving; the middle half of products list 100 mg to 846 mg, the median 300 mg.1,250 mg

Higher than 85% of 1,078 products listing glycine (median 300 mg).

Sodium Bicarbonate400 mg
Calcium Bicarbonate250 mg
Citric Acid50 mgCitric Acid in Opus Extreme Intra-Workout Juicy Watermelon against 56 products50 mg per serving; the middle half of products list 57.25 mg to 457.5 mg, the median 200 mg.50 mg

79% of 56 products listing citric acid give more (median 200 mg).

Alpha Ketoglutarate50 mgAlpha-Ketoglutarate in Opus Extreme Intra-Workout Juicy Watermelon against 51 products50 mg per serving; the middle half of products list 50 mg to 300 mg, the median 150 mg.50 mg

67% of 51 products listing alpha-ketoglutarate give more (median 150 mg).

Malic Acid50 mgMalic Acid in Opus Extreme Intra-Workout Juicy Watermelon against 235 products50 mg per serving; the middle half of products list 222 mg to 1,200 mg, the median 588 mg.50 mg

93% of 235 products listing malic acid give more (median 588 mg).

Fumaric Acid50 mg
Succinic Acid50 mgSuccinic acid in Opus Extreme Intra-Workout Juicy Watermelon against 33 products50 mg per serving; the middle half of products list 65 mg to 150 mg, the median 100 mg.50 mg

82% of 33 products listing succinic acid give more (median 100 mg).

Sodium Phosphate19.38 mgSodium Phosphate in Opus Extreme Intra-Workout Juicy Watermelon against 53 products19.38 mg per serving; the middle half of products list 130 mg to 189 mg, the median 157 mg.19.38 mg

96% of 53 products listing sodium phosphate give more (median 157 mg).

Potassium Phosphate13.47 mg
Dicalcium Phosphate3 mg
Magnesium Phosphate1 mg0%*

The label names the compound (Magnesium Phosphate); its amount is likely the compound's weight, not the magnesium it holds, so it is not placed among other products.

* % Daily Value computed from the printed amount and the FDA Daily Value (21 CFR 101.9); the label prints none for that row.

Source: NIH ODS Dietary Supplement Label Database, label 263195 (entered May 19, 2022), 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:

  • 96% of the 9,824 products that print an amount of riboflavin list more than its 0.25 mg of vitamin B2 (filed by NIH under riboflavin) (median 4 mg).
  • over 99% of the 14,425 products that print an amount of vitamin B12 list more than its 0.5 mcg of vitamin B12 (median 36 mcg).
  • 91% of the 10,060 products that print an amount of pantothenic acid (vitamin B5) list more than its 2.5 mg of pantothenic acid (vitamin B5) (median 12 mg).
  • 91% of the 11,614 products that print an amount of potassium list more than its 15 mg of potassium (2 rows of the label added together) (median 99 mg).
  • 93% of the 235 products that print an amount of malic acid list more than its 50 mg of malic acid (median 588 mg).
  • 82% of the 33 products that print an amount of succinic acid list more than its 50 mg of succinic acid (median 100 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?

2 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
Recommended dose: Take 1–2 scoops daily 5–15 minutes prior to training or add it to your water bottle and drink while you train. Directions: Mix 1-2 scoops in 12-16 oz of water.
Warnings
Warning: Do not use if you are under 16 years of age, pregnant or nursing.
Warning: Do not use if you are under 16 years of age, pregnant or nursing. Consult your physician before use if you have a medical condition or are taking any prescription drugs.
Allergens and what it does not contain
Gluten free Sugar free No dyes Peanut free

Source: label statements in DSLD label 263195.

What else is on the label?

Other ingredients: artificial Watermelon flavor, Sucralose, Silicon Dioxide, Calcium Silicate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Certified cGMP Current Good Manufacturing Practices.

How many labels does Opus Extreme Intra-Workout Juicy Watermelon have?

One label is on file, entered on May 19, 2022.

  1. Label 263195 (current) Entered May 19, 2022 · on the market · 444 grams

DSLD also links this label to: Opus Red Berry Candy (flavor difference), Opus Extreme Intra-Workout Twister Pop (flavor difference).

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

Who makes it?

The label names Magnum Nutraceuticals Inc. (distributor), Surrey, BC, Canada. All Magnum Nutraceuticals products.

Where next?