Curated by
More in Caffeine + L-Theanine, Decoded: LSC100 + Nootropic Science
See all 4 →Effects of l-theanine–caffeine on ADHD in children
nature.com
Caffeine and Theanine Effects on Athletic Performance
pmc.ncbi.nlm.nih.gov
Using Caffeine to Optimize Mental & Physical Performance
hubermanlab.com
More from Light Speed
See all stacks →
The 2PM Wall: LSC100 Afternoon Energy Slump Guide
8 cards
Time-Block or Get Eaten: LSC100 Time Management Systems
8 cards
Shop LSC100
3 cards
Caffeine: What are hidden sources? - Mayo Clinic Health System
Hidden sources of caffeine extend beyond coffee and tea to include chocolate, medications, energy drinks, and various food additives. For most adults, consuming up to 400 milligrams of caffeine daily is safe, but excessive intake can cause side effects like insomnia, headaches, and high blood pressure.
Built for AI agentsACO · 1068 tokens
Summary
Hidden sources of caffeine extend beyond coffee and tea to include chocolate, medications, energy drinks, and various food additives. For most adults, consuming up to 400 milligrams of caffeine daily is safe, but excessive intake can cause side effects like insomnia, headaches, and high blood pressure.
Tags
caffeine · hidden-sources · health · nutrition · beverages · medications · wellness
Key entities
Mayo Clinic Health System (organization, 0.95) · American Heart Association (organization, 0.9) · Food and Drug Administration (organization, 0.9) · Brian Burroughs (person, 0.85) · caffeine withdrawal (concept, 0.88) · caffeine sensitivity (concept, 0.85) · energy drinks (technology, 0.8)
Classification
reference · language en · status final
Provenance
claude-haiku-4-5 via @stacklist/be@0.1.0, confidence 0.85, 15 Sep 2026