Home/ Supplements/ Vitamin C/ Klean Pre-Workout Natural Lemon Tea Flav...

Klean Pre-Workout Natural Lemon Tea Flavor

product on market Powder Klean Athlete Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 17% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

This formula contains Vitamin C and beet root extract, which are supported by moderate evidence for antioxidant support and improving athletic endurance. Sodium provides essential electrolytes for hydration during exercise. Overall, the evidence coverage for this specific ingredient profile is limited.

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

Label

Product Label

Label for Klean Pre-Workout Natural Lemon Tea Flavor
Open Full PDF View on NIH DSLD →
Details

Label Data

10 Gram(s)
Serving Size
20
Servings
Other Combinations
Product Type
17%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calories
30 Calorie(s)
Total Carbohydrates
7 Gram(s) (3% DV)
Vitamin C
150 mg (167% DV)
Sodium
140 mg (6% DV)
TruBeet Beet root extract
5 Gram(s)
Market median: 180.0mg (239 products) 49 studies (A:1, B:19)

Other Ingredients

Cane Sugar Natural Flavors Citric Acid Malic Acid Stevia leaf extract
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Suggested usage: As a dietary supplement, adults take 1 scoop mixed into 6-8 oz. of water approximately 30 minutes before exercise or as directed by a trainer, coach, or health professional.

Warnings & Precautions

Warning: Do not use if pregnant or nursing.

Not intended for children or those sensitive to caffeine.

Monitor other sources of caffeine such as medications, foods, or beverages while taking this product.

Do not exceed the recommended serving. Do not use in combination with alcohol.

Warning: If you are pregnant, nursing, have any health condition or taking any medication, consult your health professional before using this product.

Keep out of reach of children.

Use only if safety seal is intact.

Formulation Notes

Nutritional Supplements

Gluten-free, Non-GMO

The recommended dose for this product contains 75 mg of caffeine, about as much as 6 oz. of strong coffee.

Additional Information

NSF Certified Sport

Store in a cool, dry place.

Packaged by weight, not volume. Settling may occur. Scan to learn about our Klean manufacturing and certifications

Metadata

Product Details

UPC / SKU3 10539 98000 2
DSLD Entry Date2022-02-23
Product TypeOther Combinations
FormPowder
DSLD ID259898
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
View all evidence for Vitamin C →
Compare

Similar Products

View all Vitamin C products →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.