🟢 96/100

This product looks safe

  • Niacin: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)
  • Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
  • 30% of ingredients have research evidence
D Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacin: 100mg is 2.9× the Tolerable Upper Intake Level (35mg)
⚠️ Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)

Label Data

6 Gram(s) Serving Size
20 Servings
Other Combinations Product Type
30% Evidence Coverage

Supplement Facts — Evidence Check

Calories
80 {Calories}
Total Carbohydrates
8 Gram(s) (3% DV)
100 mg (500% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 2.9× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 100mg UL 35mg
Sodium
80 mg (3% DV)
CarnoSyn
4800 mg
3000 mg
📊 Market median: 500.0mg (143 products)
This product: 3000mg
📊 Market median: 2000.0mg (275 products)
Median 2000.0mg This product: 2000mg
2000 mg
📊 Market median: 5.0mg (298 products) 📚 701 studies (Tier A: 5, B: 123)
This product: 2000mg
Agmatine Sulfate
1000 mg
📊 Market median: 180.0mg (239 products) 📚 43 studies (Tier A: 1, B: 19)
This product: 400mg UL 400mg
Calories
40 {Calories}
Total Carbohydrates
4 Gram(s) (1% DV)
50 mg (250% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.4× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 50mg UL 35mg
Sodium
40 mg (2% DV)
CarnoSyn
2400 mg
1500 mg
📊 Market median: 500.0mg (143 products)
This product: 1500mg
📊 Market median: 2000.0mg (275 products)
Median 2000.0mg This product: 1000mg
1000 mg
📊 Market median: 5.0mg (298 products) 📚 701 studies (Tier A: 5, B: 123)
This product: 1000mg
Agmatine Sulfate
500 mg
📊 Market median: 180.0mg (239 products) 📚 43 studies (Tier A: 1, B: 19)
This product: 200mg UL 400mg

Other Ingredients

Maltodextrin Natural and Artificial flavors Silica Sucralose FD&C Red #40 FD&C Blue #1

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (97% of products) Structure/Function (86% of products) Nutrient (36% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

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 & Precautions

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.

Not intended for use by persons under the age of 18 or for those sensitive to caffeine.

Not intended for use by persons under the age of 18 or for those sensitive to caffeine.

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.

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.

🧪 Formulation Notes

DMAA + DENDROBIUM FREE

HARD-HITTING INGREDIENTS INCLUDE: Caffeine

Creatine HCl

Beta-Alanine

Agmatine

Loaded with 400 mg caffeine per two scoops, Nuclear X will get you fired up for every workout.

We left out the junk…We left out DMAA…Resulting in our strongest pre-workout yet.

This product contains caffeine.

400 MG OF CAFFEINE FOR MAXIMUM ENERGY

4.8 G OF B-ALANINE FOR WORKOUT PERFORMANCE* PER TWO SCOOPS

SUPERCHARGED WITH AGMATINE

Contains milk ingredients.

Additional Information

Helps boost mental energy and alertness. One scoop will help increase your body temperature to get you pumped and ready for exercise. Two scoops will give you the fuel needed to take your workout to the next level.

Next generation creatine formulated in a concentrated serving of 1 gram per scoop.

Make every workout your best workout. Beta-Alanine, at the levels we have included in two scoops daily, helps boost workout performance when grinding out rep after rep in the weight room. Combine our next generation Creatine HCl plus Beta-Alanine to form a dynamic combination. The “tingles” you get from Beta-Alanine let you know it’s GO TIME.

One of the hottest new pre-workout ingredients to hit the market. Agmatine is closely related to L-Arginine as it is naturally produced in the body during arginine metabolism.

Our scientifically formulated pre-workout powder will help you achieve your potential every time.

Beta-alanine may cause a temporary tingling sensation, which is a normal reaction.

NEW PRE-WORKOUT

DYNAMIC PRE-WORKOUT SUPPLEMENT

SCIENTIFICALLY FORMULATED

Naturally and Artificially Flavored

STORE AT ROOM TEMPERATURE AND AVOID EXCESSIVE HEAT.

Contents are sold by weight. Some settling may occur.

CarnoSyn(R) Carnosine Synthesizer

54619 02A B54619 CA4

Product Details

UPC / SKU 7 86560 54619 5
DSLD Entry Date 2014-11-25
Product Type Other Combinations
Form Powder
Brand MET-Rx
DSLD ID 38444
Data Updated 2026-04-11

Research Evidence

241 Research Sources
55 Avg Quality Score
113 Meta Analysis
75 Systematic Review
32 Rct
11 Clinical Trial
3 Other
3 Regulatory Source
1 Cochrane Review
1 Narrative Review
1 Openfda Safety
A Niacin for primary and secondary prevention of cardiovascular events
Meta Analysis The Cochrane database of systematic reviews 2017
A Use of high potency statins and rates of admission for acute kidney injury: multicenter, retrospective observational analysis of administrative databases
Meta Analysis BMJ (Clinical research ed.) 2013
A Effect on cardiovascular risk of high density lipoprotein targeted drug treatments niacin, fibrates, and CETP inhibitors: meta-analysis of randomised controlled trials including 117,411 patients
Meta Analysis BMJ (Clinical research ed.) 2014
A A terminal metabolite of niacin promotes vascular inflammation and contributes to cardiovascular disease risk
Meta Analysis Nature medicine 2024
A Meta-analysis and imputation refines the association of 15q25 with smoking quantity
Meta Analysis Nature genetics 2010
A Genome-wide meta-analyses identify multiple loci associated with smoking behavior
Meta Analysis Nature genetics 2010
A Antidepressants for smoking cessation
Meta Analysis The Cochrane database of systematic reviews 2014
A Topical azelaic acid, salicylic acid, nicotinamide, sulphur, zinc and fruit acid (alpha-hydroxy acid) for acne
Meta Analysis The Cochrane database of systematic reviews 2020
B Assessment of the Role of Niacin in Managing Cardiovascular Disease Outcomes: A Systematic Review and Meta-analysis
Meta Analysis JAMA network open 2019
B Association Between Lowering LDL-C and Cardiovascular Risk Reduction Among Different Therapeutic Interventions: A Systematic Review and Meta-analysis
Meta Analysis JAMA 2016
View all evidence for Niacin →

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