1 Product identity

Ingredient risk

1 ingredient to use with caution

EFS Electrolyte Fuel System Mild Grape

Name: EFS Electrolyte Fuel System Mild Grape
Brand: 1st Endurance

Brand1st Endurance→Other Combinations Powder 27 ingredients 1 caution DSLD #6652

Net contents: 800 Gram(s)

Target: Adults and Children 4 years and above

DSLD entry: 2014-01-24

2 Ingredients (27)

IngredientGroupSafety

CaloriesCalories—

Calories from FatCalories—

Total FatFat (unspecified)—

CholesterolCholesterol—

Total CarbohydratesCarbohydrate—

SugarSugar—

Vitamin CVitamin CGenerally Safe

1160mg Total Electrolyte BlendBlend (Mineral)—

CalciumCalciumConditionally Safe

MagnesiumMagnesiumUse with Caution

ChlorideChlorideGenerally Safe

SodiumSodiumConditionally Safe

PotassiumPotassiumConditionally Safe

Malic AcidMalic Acid—

AjiPure Amino Acid BlendBlend (Amino Acid/Protein)—

L-GlutamineGlutamineConditionally Safe

LeucineLeucine—

IsoleucineIsoleucine—

ValineValine—

Complex CarbohydratesBlend (Dietary substance used by man to supplement the diet by increasing the total dietary intake)—

SucroseSucrose—

DextroseGlucose—

AjiPure Amino Acid BlendProprietary Blend (Amino Acid/Protein)—

Electrolyte BlendBlend (Combination)—

Citric AcidCitric Acid—

Natural flavorsFlavor—

Ascorbic AcidVitamin CGenerally Safe

Ingredient amounts require the full DSLD label. View full label at NIH DSLD →

⚠️ Use with caution — restricted in some markets

Magnesium — Severe deficiency (<0.50 mmol/L) causes secondary hypocalcemia and hypokalemia that will not correct until magnesium is repleted first [1].

3 Safety cross-reference

Vitamin C — Generally Safe

⚠ GI distress at high doses

⚠ Kidney stones risk >1g/day

Calcium — Conditionally Safe

⚠ Cardiovascular risk debated >1,000 mg/day

⚠ Kidney stones

Magnesium — Use with Caution

⚠ Diarrhea (especially oxide)

⚠ Accumulates in renal impairment

Chloride — Generally Safe

⚠ Co-ingested with sodium

Sodium — Conditionally Safe

⚠ Hypertension

⚠ Fluid retention

Potassium — Conditionally Safe

⚠ Hyperkalemia risk

⚠ Dangerous with ACE inhibitors

L-Glutamine — Conditionally Safe

⚠ Hepatic encephalopathy risk

⚠ May elevate ammonia

4 Label claims

• Nutrient

• All Other

• Structure/Function

5 Data source

DSLD ID6652

Full labelView at NIH DSLD →

SourceOffice of Dietary Supplements, NIH

Market statusOn market

Entry date2014-01-24

6 More from 1st Endurance

View 1st Endurance Safety Scorecard → 5 products

EFS Electrolyte Fuel System Orange Splash Optygen High Performance HP Ultragen Cappuccino Ultragen Orange Creamsicle

7 Cite this page

Vancouver

Pkhakadze G. EFS Electrolyte Fuel System Mild Grape — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Jun 16]. Available from: https://supplement.ge/products/efs-electrolyte-fuel-system-mild-grape-6652/

CC BY 4.0. Product data from NIH DSLD; safety analysis by SupplementIndex.

Analyzed by SupplementIndex

PHIG · Editor-in-Chief: Prof. Giorgi Pkhakadze, MD, MPH, PhD

Product data sourced from the NIH Dietary Supplement Label Database (DSLD). Safety cross-referencing by SupplementIndex. This analysis is for informational purposes only. For corrections: info@accreditation.ge.
Publisher: PHIG