🟢 100/100

This product looks safe

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

Product Label

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Label Data

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

Supplement Facts — Evidence Check

Kre-Alkalyn
2000 mg
📊 Market median: 180.0mg (239 products) 📚 43 studies (Tier A: 1, B: 19)
This product: 180mg UL 400mg
📊 Market median: 180.0mg (239 products) 📚 43 studies (Tier A: 1, B: 19)
This product: 120mg UL 400mg
Theobromine
100 mg
Theophylline
25 mg
25 mg
📊 Market median: 300.0mg (68 products)
Median 300.0mg This product: 25mg

Other Ingredients

Gelatin Maltodextrin Silica Magnesium Stearate

Label Claims — Verification

All Other
Structure/Function
All Other (98% of products) Structure/Function (93% of products) Nutrient (19% of products)

Target Groups

Adult (18 - 50 Years) Women (not pregnant or lactating)

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

Product Details

UPC / SKU 7 37190 00234 6
DSLD Entry Date 2022-01-22
Product Type Other Combinations
Form Capsule
DSLD ID 259299
Data Updated 2026-04-11

Research Evidence

82 Research Sources
51 Avg Quality Score
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
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
B Effects of caffeine chewing gum supplementation on exercise performance: A systematic review and meta-analysis
Meta Analysis European journal of sport science 2023
B Genetic susceptibility to caffeine intake and metabolism: a systematic review
Systematic Review Journal of translational medicine 2024
B Pharmacological interventions for sleepiness and sleep disturbances caused by shift work
Meta Analysis The Cochrane database of systematic reviews 2014
B Effects of Caffeine Intake on Endurance Running Performance and Time to Exhaustion: A Systematic Review and Meta-Analysis
Meta Analysis Nutrients 2022
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
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
B Caffeine, CYP1A2 Genotype, and Endurance Performance in Athletes
Rct Medicine and science in sports and exercise 2018
B The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness
Rct Nutritional neuroscience 2010
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