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Endurance Complex

product on market Other (e.g. tea bag) GNC Pro Performance Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 20% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

This profile combines essential electrolytes and Vitamin C to support hydration and cellular function. While magnesium and potassium have strong evidence for muscle support, the evidence for Arjuna bark extract in endurance contexts is limited. Overall, the combination focuses on basic nutrient replenishment during physical activity.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Endurance Complex
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Mottled Brown Caplet(s)
Serving Size
30
Servings
Botanical with Nutrients
Product Type
20%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
150 mg (167% DV)
105 mg (25% DV)
Within RDA (0.2× RDA) 316 studies (A:8, B:159)
Sodium
200 mg (9% DV)
Potassium
150 mg (3% DV)
Arjuna Bark Extract
400 mg

Other Ingredients

Microcrystalline Cellulose Croscarmellose Sodium Hydroxypropyl Cellulose Carnauba Wax Hydroxypropyl Methylcellulose Magnesium Stearate Polyethylene Glycol Polysorbate 80 Silicon Dioxide Stearic Acid Vegetable Acetoglycerides
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a dietary supplement, take the contents of one pack daily with food and 16 fl. oz. of water.

Warnings & Precautions

Warning: Cancer and reproductive harm- www.P65Warnings.ca.gov.

Consult your physician prior to using this product if you are pregnant, nursing, taking medication or have a medical condition.

Discontinue use two weeks prior to surgery.

Keep out of reach of children.

Formulation Notes

Product was tested & monitored for over 285 banned substances on the 2023 World Anti-Doping Agency (WADA) Prohibited list via LGC skip lot testing protocol #ICP0307.

Gluten Free. Gf Gluten free

Our Quality Commitment To You Since 1935, our mission as the industry leader has been to provide you with the highest-quality nutritional supplements. We continue to stand behind this mission. If you're not 100% satisfied with your purchase, return the unused portion of the product with your receipt within 30 days and we'll either refund your money or find a replacement product that is right for you.

PRO Nutrition= PRO Performance

Endurance & Electrolytes includes Oxyjun, and Arjuna tree (Terminalia arjuna) bark extract clinically studied for endurance support, plus electrolytes to optimize hydration.

Endurance Complex

Foundational Performance Nutrition Endurance & electrolytes

Endurance Complex

Banned Substance Tested & Stim Free designed with trusted ingredients so you can make informed choices to support your goals without compromise.

Additional Information

Informed Choice We Test You Trust Regularly Tested for Banned Substances

Store in a cool, dry place.

Banned Substance Tested

Please recycle this box.

30 Packs/ 30-Day Supply

Metadata

Product Details

DSLD Entry Date2024-10-24
Product TypeBotanical with Nutrients
FormOther (e.g. tea bag)
DSLD ID315317
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 PubMed DOI
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.