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Study note

Caffeine enhances performance regardless of fueling strategy; however, high carbohydrate availability is associated with improved training speeds compared with ketogenic diet.

Updated Oct 16, 2026

Human researchThe British journal of nutrition2025Read the source on PubMed

From the closing abstract passage

“Caffeine supplementation partially reversed the performance impairment associated with an LCHF diet, but training quality remained lower than the combination of caffeine and high…”

A short excerpt, not the complete finding. Read the linked abstract for the comparison, measurements and context.

Publication details
Record
PubMed 40964913
Publication types
Comparative Study · research-article · Randomized Controlled Trial
Indexed subjects
Caffeine · Dietary Carbohydrates · Walking · Cross-Over Studies · Heart Rate
Source record checked
2026-10-16

Publication type and subject indexing describe the record; they are not a quality grade or proof of a benefit. An abstract does not replace a review of the full methods and results.

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Sources