Real ChatGPT answer · index seedyGjJmT62ABccompleteSports and outdoors · fitness programscommercial

Are there any clinical studies on long term pre workout supplement side effects concerning cardiovascular health in endurance athletes?

ChatGPTgpt-64 queries11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
Are there any clinical studies on long term pre workout supplement side effects concerning cardiovascular health in endurance athletes?
4 real searches · 1 real-search pass
clinical studies long-term pre-workout supplement cardiovascular effects endurance athletes caffeine multi-ingredient randomized trial reviewGoogle ↗
OBSERVEDConsequence
pre-workout supplements cardiovascular safety chronic use blood pressure heart rate clinical trial studyGoogle ↗
OBSERVEDReason
endurance athletes caffeine long-term cardiovascular outcomes arrhythmia cohort studyGoogle ↗
OBSERVEDReason
ISSN position stand caffeine exercise cardiovascular safety habitual use athletesGoogle ↗
OBSERVEDDefinition

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

ChatGPT real searches (4)
Short factOther / navigationalComparisonConsequence25%Reason50%Definition25%InstructionYes / no

Classes come from the query-classifier (a local Laya model). 4 of 4 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT4 real searches · gpt-6
clinical studies long-term pre-workout supplement cardiovascular effects endurance athletes caffeine multi-ingredient randomized trial review Google ↗
pre-workout supplements cardiovascular safety chronic use blood pressure heart rate clinical trial study Google ↗
endurance athletes caffeine long-term cardiovascular outcomes arrhythmia cohort study Google ↗
ISSN position stand caffeine exercise cardiovascular safety habitual use athletes Google ↗

Queries

4 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
clinical studies long-term pre-workout supplement cardiovascular effects endurance athletes caffeine multi-ingredient randomized trial review
OBSERVED
Google ↗
AI Mode ↗
—Consequence——1x
of 1
pre-workout supplements cardiovascular safety chronic use blood pressure heart rate clinical trial study
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1
endurance athletes caffeine long-term cardiovascular outcomes arrhythmia cohort study
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1
ISSN position stand caffeine exercise cardiovascular safety habitual use athletes
OBSERVED
Google ↗
AI Mode ↗
—Definition——1x
of 1