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PurCaf Caffeine

product on market Capsule Kaged Muscle Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · grounded in 1 source · methodology

PurCaf provides caffeine, which is supported by strong evidence for enhancing alertness and athletic performance. Research indicates it helps increase focus and metabolic rate during physical activity. The ingredient profile is considered safe for most healthy adults when used as directed.

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

Label

Product Label

Label for PurCaf Caffeine
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
30
Servings
Non-Nutrient/Non-Botanical
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Market median: 180.0mg (239 products) 49 studies (A:1, B:19)

Other Ingredients

Vegetable Cellulose Microcrystalline Cellulose Silicon Dioxide Stearic Acid
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a dietary supplement, take 1 capsule 30 - 45 minutes before workouts and 1 capsule as needed, allowing 3-4 hours between servings, not to exceed 2 servings per day.

Warnings & Precautions

Warning: Consult your physician prior to using this product if you are pregnant, nursing, under 18 years of age, taking medication or have a medical condition.

Warning: Consult your physician prior to using this product if you are pregnant, nursing, under 18 years of age, taking medication or have a medical condition.

Immediately discontinue use and contact your physician if any adverse reactions occur.

Keep out of reach of children.

Additional Information

Store in a cool, dry place away from excessive heat.

Informed-Sport.com Trusted by sport

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Metadata

Product Details

UPC / SKU7 60999 99999 9
DSLD Entry Date2019-05-28
Product TypeNon-Nutrient/Non-Botanical
FormCapsule
DSLD ID201851
Data Updated2026-04-11
Research

Research Evidence

82
Research Sources
51
Avg Quality
28
Rct
19
Meta Analysis
17
Clinical Trial
16
Systematic Review
A Preconception lifestyle advice for people with infertility
Meta Analysis The Cochrane database of systematic reviews 2021 PubMed DOI
B The effects of caffeine intake on weight loss: a systematic review and dos-response meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2019 PubMed DOI
B Effects of caffeine chewing gum supplementation on exercise performance: A systematic review and meta-analysis
Meta Analysis European journal of sport science 2023 PubMed DOI
B Genetic susceptibility to caffeine intake and metabolism: a systematic review
Systematic Review Journal of translational medicine 2024 PubMed DOI
B Pharmacological interventions for sleepiness and sleep disturbances caused by shift work
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
B Effects of Caffeine Intake on Endurance Running Performance and Time to Exhaustion: A Systematic Review and Meta-Analysis
Meta Analysis Nutrients 2022 PubMed DOI
B The effects of green tea extract supplementation on body composition, obesity-related hormones and oxidative stress markers: a grade-assessed systematic review and dose-response meta-analysis of randomised controlled trials
Meta Analysis The British journal of nutrition 2024 PubMed DOI
B Effect of green tea catechins with or without caffeine on anthropometric measures: a systematic review and meta-analysis
Systematic Review The American journal of clinical nutrition 2010 PubMed DOI
B Caffeine, CYP1A2 Genotype, and Endurance Performance in Athletes
Rct Medicine and science in sports and exercise 2018 PubMed DOI
B The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness
Rct Nutritional neuroscience 2010 PubMed DOI
View all evidence for Caffeine →
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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.