energy · Outcome
Whether you crash in the afternoon or stay sharp.
How to measure:
Three levers, one stack. Each works through a different mechanism. They compound.
+11% afternoon energy
3.2-6.4g/day split across 2-4 doses, daily for 4+ weeks
Effect size
Corpus
18 papers
range 8.6–14 · n=2 quantitative claims
“Oral nutritional supplement fortified with 1200 mg beta-alanine twice daily significantly increased physical working capacity at fatigue threshold (PWCFT) by 13.6% in older adults over 12 weeks.”
+31% afternoon energy
45-120 min, 3-4x per week
Effect size
Corpus
106 papers
range 8.6–53 · n=2 quantitative claims
“Blood flow restriction (BFR) training significantly improved countermovement jump rate of force development under fatigue conditions.”
No corpus-backed pick yet
We require at least 3 corpus papers for a food to surface here. The literature on this outcome × pillar is still being extracted.
Everything we found, ranked by how strongly we recommend it. Tap any to see the studies.
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Every pick has two signals. They answer different questions and we never bundle them into one number.
Effect size
How big is the change on afternoon energy dip, in the units that matter for this outcome.
Confidence
How sure are we the effect is real for afternoon energy dip, given the studies we have.
For every pick, the “papers” number is how many studies we've cataloged that test this entity for afternoon energy dip. “Favorable” means the study reported the direction you want.
The tier badge (S, A, B…) on the entity itself is its overall research confidence across all outcomes. It's the same letter wherever you see this entity on the site, not specific to afternoon energy dip.
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