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Timed-Release Caffeine

product on market Capsule MET-Rx 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

Caffeine is supported by strong evidence for improving alertness and enhancing athletic performance. Research indicates it acts as a central nervous system stimulant to reduce perceived exertion. The evidence for these effects is well-established across numerous clinical studies.

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

Label

Product Label

Label for Timed-Release Caffeine
Open Full PDF View on NIH DSLD →
Details

Label Data

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

Supplement Facts — Evidence Check

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

Other Ingredients

Sugar Gelatin Starch Food Glaze Magnesium Silicate Povidone Contains <2% of
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

FOR BEST RESULT, TAKE ONE (1) CAPSULE DAILY, PREFERABLY WITH A MEAL.

Directions: For adults, take one (1) daily, preferably with a meal.

Warnings & Precautions

As a reminder, discuss the supplements and medications you take with your health care providers.

WARNING: Not intended for use by pregnant or nursing women. If you are taking any medications or have any medical condition, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur.

This product contains caffeine. Avoid additional consumption of caffeine, which may intensify adverse effects.

Not intended for use by persons under the age of 18.

KEEP OUT OF REACH OF CHILDREN.

TAMPER RESISTANT: DO NOT USE IF SEAL UNDER CAP IS BROKEN OR MISSING.

Formulation Notes

THIS PRODUCT IS SPECIALLY FORMULATED TO PROVIDE YOU WITH A SUSTAINED RELEASE OF CAFFEINE.

CAFFEINE PROVIDES DUAL EFFECTS BY PROVIDING ENERGY MAGNIFICATION FOR BOTH THE MIND AND THE BODY. TIMED-RELEASE CAFFEINE CAPSULES GET YOU PUMPED FOR EXERCISE, WHILE HELPING TO BOOST MENTAL ENERGY AND ALERTNESS. OUR FORMULA UTILIZES CUTTING-EDGE BEADLET COATING TECHNOLOGY. EACH BEADLET IS COATED WITH THE ACTIVE CAFFEINE INGREDIENT, AND THEN SUSTAINED-RELEASE COATING IS FURTHER ADDED TO ACHIEVE THE 8 HOUR PROFILE.

This product contains caffeine.

Caffeine >>200mg PER CAPSULE

Additional Information

PRE-WORKOUT

ENERGY

>>8-HOUR SUSTAINED RELEASE >>MENTAL FOCUS >>NEUROMUSCULAR STIMULATOR

STORE AT ROOM TEMPERATURE AND AVOID EXCESSIVE HEAT.

51847 01A B51847 KAB

Metadata

Product Details

UPC / SKU7 86560 51847 5
DSLD Entry Date2016-08-24
Product TypeNon-Nutrient/Non-Botanical
FormCapsule
BrandMET-Rx
DSLD ID63884
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
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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.