🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 64% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

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Label Data

19.6 Gram(s) Serving Size
25 Servings
Other Combinations Product Type
64% Evidence Coverage

Supplement Facts — Evidence Check

📊 Market median: 500.0mg (143 products)
This product: 5500mg
📊 Market median: 1500.0mg (104 products) 📚 21 studies (Tier A: 0, B: 2)
This product: 3200mg
2500 mg
📊 Market median: 496.0mg (192 products) 📚 20 studies — no high-quality reviews
This product: 2500mg
1500 mg
📊 Market median: 500.0mg (180 products) 📚 5 studies (Tier A: 0, B: 1)
This product: 1500mg
1500 mg (200% DV)
📊 Market median: 500.0mg (223 products) 📚 22 studies (Tier A: 0, B: 1)
This product: 1500mg
AgmaPure
1000 mg
L-Alanine
1000 mg
📊 Market median: 180.0mg (239 products) 📚 43 studies (Tier A: 1, B: 19)
This product: 300mg UL 400mg
15 mg (75% DV)
✅ 1.1× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 15mg UL 35mg
15 mg (750% DV)
📊 11.5× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 15mg UL 100mg
30 mg (500% DV)
📊 12500.0× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 30mg

Other Ingredients

Citric Acid Malic Acid Cyclic Dextrin Natural & Artificial flavor Acesulfame Potassium Sucralose Blue Spirulina

Label Claims — Verification

All Other
Structure/Function
All Other (100% of products) Structure/Function (91% of products) Nutrient (35% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Women (not pregnant or lactating) No Allergies Gluten Free

Product Information

📋 Directions for Use

Suggested Use: Mix two-scoops with 12-16 oz. of cold water and drink 20-30 minutes before training. We recommend that you start with half a scoop to determine tolerance. Mix 2 level scoops with 12-16 oz. of cold water.

⚠️ Warnings & Precautions

Keep out of reach of children.

Do not exceed the recommended dose. Consult your physician before using this product.

Do not use this product if you are pregnant or nursing. Do not use this product if you are taking any prescription medication.

Do not use this product if you are under the age of 18.

Warning: Do not use if you are currently taking nitrates for chest pain or if you are taking medications to treat erectile dysfunction such as PDE-5 inhibitors.

Warning: This product is manufactured in a GMP compliant plant that processes milk.

🧪 Formulation Notes

MFX Pre is just what you need to dig deeper and train harder. This fully-loaded formula is designed to provide you with unwavering focus, insane muscle pumps, and relentless energy.

Gluten free Soy free Non-GMO

Certified Vegan AVA American Vegetarian Association

Advanced Pre-workout Muscle/Energy

Allergies: None

Additional Information

Keep tightly closed in a cool, dry place away from sunlight.

Made in our GMP compliant facility Made in an FDA registered facility Certified Vegan AVA American Vegetarian Association

SDVOSB Service Disabled Veteran Owned Small Business CVE

Ohio family owned business

Product Details

DSLD Entry Date 2021-12-18
Product Type Other Combinations
Form Powder
Brand Muscle Feast
DSLD ID 261847
Data Updated 2026-04-11

Research Evidence

45 Research Sources
52 Avg Quality Score
12 Rct
11 Systematic Review
11 Meta Analysis
11 Clinical Trial
A Nitric oxide donors (nitrates), L-arginine, or nitric oxide synthase inhibitors for acute stroke
Meta Analysis The Cochrane database of systematic reviews 2017
A Arginine supplementation for prevention of necrotising enterocolitis in preterm infants
Meta Analysis The Cochrane database of systematic reviews 2017
B Nutritional interventions for treating foot ulcers in people with diabetes
Meta Analysis The Cochrane database of systematic reviews 2020
B Nitric oxide donors (nitrates), L-arginine, or nitric oxide synthase inhibitors for acute stroke
Systematic Review The Cochrane database of systematic reviews 2002
B Arginine supplementation for prevention of necrotising enterocolitis in preterm infants
Systematic Review The Cochrane database of systematic reviews 2007
B The Effect of Amino Acids on Wound Healing: A Systematic Review and Meta-Analysis on Arginine and Glutamine
Meta Analysis Nutrients 2021
B Nitric oxide donors (nitrates), L-arginine, or nitric oxide synthase inhibitors for acute ischaemic stroke
Systematic Review The Cochrane database of systematic reviews 2000
B Dietary Supplements for Erectile Dysfunction: Analysis of Marketed Products, Systematic Review, Meta-Analysis and Rational Use
Meta Analysis Nutrients 2023
B Arginine supplementation for prevention of necrotising enterocolitis in preterm infants
Systematic Review The Cochrane database of systematic reviews 2004
B An Analysis of Popular Online Erectile Dysfunction Supplements
Systematic Review The journal of sexual medicine 2019
View all evidence for L Arginine →

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