Caffeine
Also known as: 1,3,7-trimethylxanthine, guaranine
Classification
Supplement
Regulatory Status
conventional food constituent and OTC drug ingredient in some products; not a prescription drug for general alertness
Sources
2
Review
n/a
Overview
Caffeine is represented by its commonly described adenosine receptor antagonist mechanism. This conservative launch record supports search and overlap detection, not medical recommendation.
Evidence and limitations
Human/preclinical evidence breakdown is not available in this record.
Pathways
Benefits
People look up caffeine for wakefulness, cognitive alertness, and ergogenic effects; evidence for alertness is strong while optimal intake and cardiovascular risk tolerance are individual.
Interactions & cautions
Flagged in source data
Drug interactions
other stimulants (including high-dose synephrine stacks, amphetamines, excessive energy-drink combinations) — Additive cardiovascular and CNS stimulation. (high)
CYP1A2 substrates/inhibitors (for example certain fluoroquinolones, fluvoxamine) — Caffeine is a CYP1A2 substrate; inhibitors can raise exposure and side effects. (review)
These are observational flags for review, not individualized instructions.
Sources
Educational reference only — not medical advice.
What people report (anecdote)
CLINICAL DATA (from trials)
Adverse events:
None recorded in our sources.
Effects measured:
Human trials: none found.
ANECDOTE
What people report: anecdote, not evidence
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