PlainVitamins

Nuclear X Citrus Surge

by MET-Rx · powder · 1.05 lb

  • On the market (NIH)
  • UPC 7 86560 54620 1
  • DSLD label 38580
  • Serving 6 to 24 g (1/2-2 scoops); amounts per 24 g
  • 20 servings

Nuclear X Citrus Surge by MET-Rx lists 14 ingredients, 14 with an amount per serving of 24 g, such as 1,550 IU of vitamin A, 100 mg of niacin, 4,800 mg of CarnoSyn and 3,000 mg of arginine, beside 4 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on November 25, 2014.

What is in Nuclear X Citrus Surge?

Each row as the label prints it, per serving of 24 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).

Nuclear X Citrus Surge: Supplement Facts rows against the market (DSLD label 38580, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories80 Calories
Total Carbohydrates7 g2%Carbohydrate in Nuclear X Citrus Surge against 21,979 products11 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.11 g

Higher than 89% of 21,979 products listing carbohydrate (median 3 g).

Vitamin Aas Beta-CaroteneVitamin A (Form: as Beta-Carotene)1,550 IU31%Vitamin A in Nuclear X Citrus Surge against 5,772 products2,325 IU per serving; the middle half of products list 2,000 IU to 5,000 IU, the median 4,000 IU.2,325 IU

71% of 5,772 products listing vitamin A give more (median 4,000 IU).

Niacinas NiacinamideNiacin (Form: as Niacinamide)100 mg500%Niacin in Nuclear X Citrus Surge against 12,413 products150 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg150 mg

Higher than 94% of 12,413 products listing niacin (median 20 mg). 4.3 times the adult UL a day.

Sodium80 mg3%Sodium in Nuclear X Citrus Surge against 14,514 products120 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.120 mg

Higher than 69% of 14,514 products listing sodium (median 55 mg).

CarnoSynas Beta-AlanineBeta-Alanine (Alt. Name: CarnoSyn) Note: 4.8 g4,800 mgBeta-Alanine in Nuclear X Citrus Surge against 1,778 products7.2 g per serving; the middle half of products list 1.6 g to 3.2 g, the median 2 g.7.2 g

Higher than over 99% of 1,778 products listing beta-alanine (median 2 g).

Arginineas L-Arginine Alpha-KetoglutarateArginine (Form: from L-Arginine Alpha-Ketoglutarate, and L-Arginine) Note: 3 g3,000 mgArginine in Nuclear X Citrus Surge against 1,455 products4,500 mg per serving; the middle half of products list 167 mg to 1,000 mg, the median 500 mg.4,500 mg

Higher than 96% of 1,455 products listing arginine (median 500 mg).

L-Citrulline DL-MalateL-Citrulline DL-Malate Note: (1:1) (2 g)2,000 mg
Creatine HClCreatine HCl Note: 2 g2,000 mgCreatine in Nuclear X Citrus Surge 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).

Agmatine SulfateAgmatine Sulfate Note: 1 g1,000 mgAgmatine in Nuclear X Citrus Surge against 514 products1,500 mg per serving; the middle half of products list 500 mg to 1,000 mg, the median 750 mg.1,500 mg

Higher than 91% of 514 products listing agmatine (median 750 mg).

Caffeine Anhydrous400 mgCaffeine in Nuclear X Citrus Surge against 3,358 products600 mg per serving; the middle half of products list 100 mg to 275 mg, the median 200 mg.600 mg

Higher than over 99% of 3,358 products listing caffeine (median 200 mg).

Calories40 Calories
Total Carbohydrates4 g1%
Vitamin Aas Beta-CaroteneVitamin A (Form: as Beta-Carotene)775 IU15%
Niacinas NiacinamideNiacin (Form: as Niacinamide)50 mg250%
Sodium40 mg2%
CarnoSynas Beta-AlanineBeta-Alanine (Alt. Name: CarnoSyn) Note: 2.4 g2,400 mg
Arginineas L-Arginine Alpha-KetoglutarateArginine (Form: from L-Arginine Alpha-Ketoglutarate, and L-Arginine) Note: 1.5 g1,500 mg
L-Citrulline DL-MalateL-Citrulline DL-Malate Note: (1:1) (1 g)1,000 mg
Creatine HClCreatine HCl Note: 1 g1,000 mg
Agmatine Sulfate500 mg
Caffeine Anhydrous200 mg

Source: NIH ODS Dietary Supplement Label Database, label 38580 (entered November 25, 2014), version 9.4.0. See the label on DSLD. 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 150 mg of niacin, 4.3 times the adult Tolerable Upper Intake Level.
  • Its 7.2 g of CarnoSyn (filed by NIH under beta-alanine) (2 rows of the label added together) is higher than over 99% of the 1,778 beta-alanine products that print an amount; 4 list more.
  • Its 4,500 mg of arginine (2 rows of the label added together) is higher than 96% of the 1,455 arginine products that print an amount; 56 list more.
  • Its 1,500 mg of agmatine (2 rows of the label added together) is higher than 91% of the 514 agmatine products that print an amount; 3 list more.
  • Its 600 mg of caffeine (2 rows of the label added together) is higher than over 99% of the 3,358 caffeine products that print an amount; 16 list more.

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?

4 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
Mix one scoop with 8-10 fl. oz. of water 15-30 minutes before training. Begin with 1/2 scoop to assess your tolerance and gradually increase servings to two scoops per day for desired effect. Do not take on an empty stomach.
Use in conjunction with an intense daily exercise program and a balanced diet including an adequate caloric intake.
Warnings
KEEP OUT OF REACH OF CHILDREN.
TAMPER RESISTANT: DO NOT USE IF SEAL UNDER CAP IS BROKEN OR MISSING.
Not intended for use by persons under the age of 18 or for those sensitive to caffeine.
This is a stimulant based supplement; always check with a physician or health care provider prior to taking supplements and exercising.
WARNING: Not intended for use by pregnant or nursing women. If you are taking any medications or have any medical condition, consult your doctor before use.
Avoid this product if you have kidney disease. Discontinue use and consult your doctor if any adverse reactions occur.
This product contains caffeine. Avoid additional consumption of caffeine, which may cause adverse effects.
Contains milk ingredients.
Directions: THIS PRODUCT IS EXTREMELY POTENT!!! DO NOT EXCEED RECOMMENDED DAILY INTAKE. USE ONLY AS DIRECTED.
Allergens and what it does not contain
DMAA + DENDROBIUM FREE
We left out the junk…We left out DMAA…Resulting in our strongest pre-workout yet.
Storage
STORE AT ROOM TEMPERATURE AND AVOID EXCESSIVE HEAT.

Source: label statements in DSLD label 38580.

What else is on the label?

Other ingredients: Maltodextrin, Natural Flavors, Citric Acid, Silica, Sucralose, Beet juice color.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): CarnoSyn(R) Carnosine Synthesizer.

How many labels does Nuclear X Citrus Surge have?

3 labels are on file under this name since March 25, 2014: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 49188 Entered August 25, 2015 · off the market September 9, 2016 · 0.6 lbs · UPC 7 86560 58932 1
  2. Label 38580 (current) Entered November 25, 2014 · on the market · 1.05 lb · UPC 7 86560 54620 1
  3. Label 31243 Entered March 25, 2014 · off the market September 3, 2014 · 1.05 lb · UPC 7 86560 54620 1

DSLD also links this label to: Nuclear X Radioactive Punch (flavor difference), Nuclear X Radioactive Punch (flavor difference), Pre-Workout Nuclear X Citrus Surge (package size difference, same product).

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

Who makes it?

The label names MET-Rx Nutrition, Inc. (manufacturer), Boca Raton, FL. All MET-Rx products.

Where next?