Home/ Supplements/ Caffeine/ Kre-Alkalyn Hardcore

Kre-Alkalyn Hardcore

product on market Capsule All American EFX Sports Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

This formula combines buffered creatine with stimulants like caffeine and theobromine to support muscle strength and alertness. Strong evidence supports the efficacy of creatine and caffeine for athletic performance, while evidence for the specific buffered form is more limited. The profile is generally considered safe for healthy adults.

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

Label

Product Label

Label for Kre-Alkalyn Hardcore
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
40
Servings
Other Combinations
Product Type
33%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Kre-Alkalyn
2000 mg
Market median: 180.0mg (239 products) 49 studies (A:1, B:19)
Market median: 180.0mg (239 products) 49 studies (A:1, B:19)
Theobromine
100 mg
Theophylline
25 mg
25 mg
Market median: 300.0mg (68 products)

Other Ingredients

Gelatin Maltodextrin Silica Magnesium Stearate
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Pre & post workout

Suggested use: As a dietary supplement, take 1-3 capsules daily 30-60 minutes prior to workout. Note: Start with 1 capsule to test tolerance level to this product.

Warnings & Precautions

Storage: Keep lid tightly closed in a cool, dry place away from children.

Allergens: None.

Warnings: This product contains caffeine and methylxanthines. In certain people, consumption of caffeine causes serious health effects, such as anxiety, palpitations, irritability, difficulty sleeping and stomach distress. Do not exceed recommended daily dose.

Do not use this product if you are pregnant or nursing.

For healthy adults 18 and over.

Formulation Notes

Kre-Alkalyn Hardcore for intensity & power:

Kre-Alkalyn Hardcore contains key metabolic compounds Kre-Alkalyn EFX Creatine, Raspberry Ketones (Razberi-K) and green coffee extract for ATP energy, strength, focus and thermogenesis.

From the lab to the gym! Twenty-four elite athletes from the Bulgarian National Weightlifting Team were selected to participate in a double-blind clinical study(1) comparing Kre-Alkalyn to standard creatine monohydrate. After 60 days, the Kre-Alkalyn group (using 7.5g per day) experienced an overall average strength increase of 28.25% above those in the unbuffered creatine monohydrate group! Elite athletes using 7.5.g of Kre-Alkalyn. Individual results may vary.

Performance Power Energy Thermogenic

Made in the USA.

Additional Information

Referenced: (1) Stoychev K., Terziiski N. (2006). "Comparison of Kre-Alkalyn to Creatine... performance, & safety". Jeff Golini, Ph.D., (Kre-Alkalyn inventor and patent holder)

Storage: Keep lid tightly closed in a cool, dry place away from children.

In God we trust.

Questions about this product? Call: (888) 238-1864 or visit our website: www.aaefx.com.

Informed-Choice.org Trusted by sport

EU plant # 1000135313

Metadata

Product Details

UPC / SKU7 37190 00234 6
DSLD Entry Date2022-01-22
Product TypeOther Combinations
FormCapsule
DSLD ID259299
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 →
Compare

Similar Products

View all Caffeine products →

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