🟢 96/100

This product looks safe

  • Niacin: 75mg is 2.1× the Tolerable Upper Intake Level (35mg)
  • Folic Acid: 1.26mg is 1.3× the Tolerable Upper Intake Level (1.0mg)
  • 32% of ingredients have research evidence
D Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacin: 75mg is 2.1× the Tolerable Upper Intake Level (35mg)
⚠️ Folic Acid: 1.26mg is 1.3× the Tolerable Upper Intake Level (1.0mg)

Label Data

40 Gram(s) Serving Size
15 Servings
Other Combinations Product Type
32% Evidence Coverage

Supplement Facts — Evidence Check

Calories
130 {Calories}
Total Carbohydrates
17 Gram(s) (6% DV)
75 mg (375% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 2.1× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 75mg UL 35mg
75 mg (3737% DV)
📊 57.7× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 75mg UL 100mg
1260 mcg (315% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.3× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 1.26mg UL 1.0mg
420 mcg (7000% DV)
📊 175.0× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.42mg
366 mg (37% DV)
✅ Within RDA (0.5× RDA of 700 mg) 📚 12 studies (Tier A: 0, B: 3)
RDA 700mg This product: 366mg UL 4000mg
306 mg (77% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 306mg
Sodium
105 mg (4% DV)
MET-Rx Amped ECN(R) Pumped Blend
5035 mg
MET-Rx Amped ECN(R) Pumped Blend
7.5 Gram(s)
MET-Rx Amped ECN(R) NOS Blend
6310 mg
MET-Rx Amped ECN(R) NOS Blend
9.4 Gram(s)
MET-Rx Amped ECN(R) Neuro-Energy Blend
4977 mg
MET-Rx Amped ECN(R) Neuro-Energy Blend
3318 mg
MET-Rx Amped ECN(R) Nitro Blend
4866 mg
MET-Rx Amped ECN(R) Nitro Blend
3244 mg
MET-Rx Amped ECN(R) Herbal Blend
450 mg
MET-Rx Amped ECN(R) Herbal Blend
675 mg

Other Ingredients

Maltodextrin Fructose Natural and Artificial flavors Citric Acid Beet Juice Contains <2% of:

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

FOR MAXIMUM RESULTS, CONSUME TWO (2) TO THREE (3) SCOOPS - HALF BEFORE AND THE REST DURING YOUR WORKOUT.

Directions: For adults, mix two (2) to three (3) scoops (40 g - 60 g) with 16-20 fl. ounces of water or juice and consume as follows: one half 30-60 minutes before your workout and the balance during the course of your workout. Limit your use to no more than three (3) scoops in a 24-hour period. Begin with half the recommended dosage to assess individual tolerance and work your way up to three scoops for maximum benefits.

⚠️ Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

TAMPER RESISTANT: DO NOT USE IF SEAL UNDER CAP IS BROKEN OR MISSING.

WARNING: Not intended for use by pregnant or nursing women. If you are taking any medications, planning any medical procedure or have any medical condition, consult your doctor before use.

Avoid this product if you have liver or kidney disease or are allergic to aspirin.

This product contains caffeine. Avoid additional consumption of caffeine, which may intensify adverse effects.

Not intended for use by persons under the age of 18.

Discontinue use and consult your doctor if any adverse reactions occur.

🧪 Formulation Notes

This product contains caffeine.

THIS CONCENTRATED FORMULA SUPPLIES 500 MILLIGRAMS OF CREATINE HCI PER 2 SCOOP SERVING OF MET-Rx AMPED ECN(R) NOS! MET-Rx AMPED ECN(R) NOS contains FIVE Extreme Blends! MET-Rx AMPED ECN(R) PUMPED BLEND to support strength, power and recovery.* MET-Rx AMPED ECN(R) NOS BLEND to enhance nitric oxide synthesis.* MET-Rx AMPED ECN(R) NEURO-ENERGY BLEND designed to rev up your mind and body so you can hit the gym, focus and take care of business.* MET-Rx AMPED ECN(R) NITRO BLEND contains Beta-Alanine, plus ALL essential BCAAs.* MET-Rx AMPED ECN(R) HERBAL BLEND designed with Horse Chestnut, Ginkgo Biloba and Cinnamon.

DMAA FREE

Natural and Artificial Flavors

Contains milk ingredients.

Contains milk ingredients.

Additional Information

STORE AT ROOM TEMPERATURE AND AVOID EXCESSIVE HEAT.

Contents are sold by weight. Some settling may occur.

14730 09G B52942 CAC

CarnoSyn(R) Carnosine Synthesizer

PRE-WORKOUT

Use in conjunction with an intense daily exercise program and a balanced diet, including an adequate caloric intake.

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

NEW & IMPROVED FORMULA PERFORMANCE

- INTENSIFIES STRENGTH, POWER & RECOVERY* - ENERGIZES THE MIND & BODY* - SUPPORTS MAXIMUM POWER & INTENSITY*

Product Details

UPC / SKU 7 86560 14730 9
DSLD Entry Date 2014-06-25
Product Type Other Combinations
Form Powder
Brand MET-Rx
DSLD ID 33480
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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