Smart Caffeine With L-Theanine
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 100% of ingredients have research evidence
What the Evidence Says
AI-generated · Qwen 3.6 · grounded in 1 source · methodologyCaffeine and L-theanine are supported by strong evidence for improving alertness and cognitive performance. Research indicates that L-theanine may mitigate the jittery effects associated with caffeine intake. This combination is widely studied for enhancing focus and attention.
AI-generated summary based on research evidence. Not medical advice.
Product Label
Label Data
Supplement Facts — Evidence Check
Other Ingredients
Label Claims — Verification
Product Information
Directions for Use
Suggested Use: Take a serving of 1-2 capsules whenever focused energy is desired. Avoid use in the evening. Do not take more than 6 capsules per day.
Warnings & Precautions
Warning: Do not use if pregnant, nursing, or under the age of 12.
Warning: Do not use if pregnant, nursing, or under the age of 12. Consult with a healthcare practitioner before taking this or any nutritional supplement if you have or suspect a medical condition, are taking any medications, or other non-Natural Stacks dietary supplements.
Do not use if safety seal is broken or missing.
Keep out of reach of children.
Formulation Notes
No GMO No gluten No artificial colors No preservatives
Additional Information
Store in a cool dry place.
U.S.A. manufactured in cGMP facility.
All natural Pure energy - no crash
Product Details
Research Evidence
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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.