🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 25% of ingredients have research evidence
B Label Compliance Grade

Product Label

📸

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Label Data

18.45 Gram(s) Serving Size
30 Servings
Other Combinations Product Type
25% Evidence Coverage

Supplement Facts — Evidence Check

4 Gram(s)
📊 Market median: 420.0mg (227 products)
Median 420.0mg This product: 4mg
3.5 Gram(s)
📊 Market median: 500.0mg (143 products)
This product: 3.5mg
3 Gram(s)
📊 Market median: 5.0mg (298 products) 📚 701 studies (Tier A: 5, B: 123)
This product: 3mg
2.5 Gram(s)
📊 Market median: 17.4mg (161 products)
Median 17.4mg This product: 2.5mg
2 Gram(s)
📊 Market median: 500.0mg (180 products) 📚 5 studies (Tier A: 0, B: 1)
This product: 2mg
CarnoSyn
1.6 Gram(s)
1 Gram(s)
📊 Market median: 2000.0mg (275 products)
Median 2000.0mg This product: 1mg
OKG
850 mg

Other Ingredients

Absolutely None

Label Claims — Verification

All Other
Structure/Function
All Other (98% of products) Structure/Function (90% of products) Nutrient (52% of products)

Target Groups

Vegetarian Adult (18 - 50 Years) Kosher No Allergies Gluten Free Dairy Free

Product Information

📋 Directions for Use

1 serving mixed with favorite beverage 16 oz. 1-2x daily best if taken empty stomach

Suggested Use: Take 1 serving of Extreme Nitric Stack (ENS) mixed into 16 ounces of water, once daily on an empty stomach. On workout days: If using ENS as a pre-workout, take 1 serving 30-45 minutes prior to your workout. If using an alternate pre-workout product, take ENS at least 4 hours before or after your pre-workout. Drink at least 32 ounces of additional water per day when using this product.

⚠️ Warnings & Precautions

Warning: Not intended for use by persons under the age of 18. Keep out of the reach of children.

If you are pregnant, breast feeding, have known medical conditions (including kidney or liver disease) or are taking prescription or OTC medication(s) consult with your health care practitioner before using this product.

Do not use if you are at risk or are being treated for high blood pressure, diabetes, hypoglycemia, myocardial infarction (heart attack), liver, thyroid or psychiatric disease.

🧪 Formulation Notes

Vegetarian

Allergen free Non-GMO Gluten free BSE/TSE free

Free of the most common allergens such as dairy, eggs, peanuts, tree nuts, fish, shellfish, soy, wheat, yeast, gluten, corn, barley, and lactose. No added sugars, salt, preservatives, salicylates, or artificial color, flavor or fragrance.

OU

No fillers No excipients No additives

Additional Information

True label Full label disclosure

Made in the USA.

Manufactured in our own FDA inspected cGMP facility complying with FDA 21 CFR Part 111 regulations. FDA Registration: 16906175560

Strength Size Intensity

OU

Concentrated muscle growth stack

Maximizes protein synthesis Speeds muscle recovery Get continuous pumps

Store in a cool dry place.

Serving Scoop included. (May settle to the bottom during shipping.)

Without compromise since 1996

Made in USA

23350-017 B20017-012

Product Details

UPC / SKU 6 49908 23350 1
DSLD Entry Date 2017-10-21
Product Type Other Combinations
Form Powder
Brand NutraBio
DSLD ID 79813
Data Updated 2026-04-11

Research Evidence

40 Research Sources
54 Avg Quality Score
16 Rct
12 Meta Analysis
7 Clinical Trial
5 Systematic Review
A Glutamine supplementation for critically ill adults
Meta Analysis The Cochrane database of systematic reviews 2014
A Arginine supplementation for prevention of necrotising enterocolitis in preterm infants
Meta Analysis The Cochrane database of systematic reviews 2017
B Glutamine for induction of remission in Crohn's disease
Systematic Review The Cochrane database of systematic reviews 2016
B Human growth hormone and glutamine for patients with short bowel syndrome
Systematic Review The Cochrane database of systematic reviews 2010
B Immunonutrition as an adjuvant therapy for burns
Meta Analysis The Cochrane database of systematic reviews 2014
B Glutamine supplementation to prevent morbidity and mortality in preterm infants
Meta Analysis The Cochrane database of systematic reviews 2008
B Glutamine supplementation to prevent morbidity and mortality in preterm infants
Meta Analysis The Cochrane database of systematic reviews 2016
B Glutamine supplementation to prevent morbidity and mortality in preterm infants
Meta Analysis The Cochrane database of systematic reviews 2016
B Glutamine supplementation for young infants with severe gastrointestinal disease
Meta Analysis The Cochrane database of systematic reviews 2014
B Glutamine supplementation to prevent morbidity and mortality in preterm infants
Meta Analysis The Cochrane database of systematic reviews 2012
View all evidence for Glutamine →

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