🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 15% of ingredients have research evidence
B Label Compliance Grade

Product Label

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Label Data

75 Gram(s) Serving Size
1 Servings
Other Combinations Product Type
15% Evidence Coverage

Supplement Facts — Evidence Check

Calories
270 {Calories}
Calories from Fat
10 {Calories}
Total Fat
1 g (2% DV)
Cholesterol
30 mg (10% DV)
Total Carbohydrates
52 g (17% DV)
Protein
13 g (25% DV)
Vitamin C
470 mg (780% DV)
400 IU (1330% DV)
📊 17.9× RDA — above typical dose (UL: 1000 mg) 📚 177 studies (Tier A: 3, B: 90)
RDA 15mg This product: 268.0mg UL 1000mg
Calcium
100 mg (10% DV)
240 mg (60% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 240mg
Sodium
190 mg (8% DV)
Potassium
95 mg (3% DV)
420 mg
📊 Market median: 420.0mg (227 products)
Median 420.0mg This product: 420mg

Other Ingredients

Dextrose Whey Protein concentrate Maltodextrin Fructose Sucrose Citric Acid Natural flavor Magnesium Carbonate Vitamin E Acetate Ascorbic Acid L-Glutamine Salt Soy Lecithin Red 40

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years) Kosher

Product Information

📋 Directions for Use

Usage: Mix entire packet with 12 oz. of cold water. Take immediately after exercise.

⚠️ Warnings & Precautions

ALLERGEN INFORMATION: CONTAINS MILK AND SOY. MANUFACTURED IN A FACILITY THAT PROCESSES EGGS, WHEAT, TREE NUTS, FISH, CRUSTACEANS AND SHELLFISH PRODUCTS.

Additional Information

CARBOHYDRATE PROTEIN FORMULA

Recover Faster Replenishes muscle glycogen levels 125% more than a carbohydrate drink* Carbohydrate/protein formula rebuilds muscle protein 38% more than a protein drink* Recover Better Reduced post-exercise muscle damage up to 36* Come Back Stronger Extends endurance up to 55% in a subsequent workout*

U.S. PATENT #6,051,236. ADDITIONAL PATENTS PENDING.

We've raised the bar on muscle recovery drinks*.

4:1(TM)

From the science of PacificHealth LABORATORIES, INC

U D

STORE AT ROOM TEMPERATURE. AVOID EXCESS HEAT ABOVE 104°F (40°C).

Product Details

DSLD Entry Date 2012-02-23
Product Type Other Combinations
Form Powder
Brand Endurox
Bundle R4
DSLD ID 5742
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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