Supplements for endurance and Beta-Alanine
Each entry’s own grades, side by side. A grade says how strong the evidence is for one outcome — it does not rank one entry over the other.
Goal guide
Supplements for endurance
7 compounds relevant to endurance, ranked by overall evidence grade.
Grade A7 graded outcomesrevised Jul 10, 2026
Assembled by the app from other entries in this library. It adds no evidence of its own — follow the links to the entries it draws on.
Compound or practice
Beta-Alanine
Buffers the acid burn of 1–4 minute efforts — one of the better-supported performance supplements, tingle and all.
Grade A2 graded outcomesrevised Jul 10, 2026
A structured monograph in Prometheus's bundled library. Its grades are the monograph's own reading of the evidence, not a peer-reviewed review.
Graded in both
Outcomes are matched by name. Two entries can describe the same outcome in different words, so one listed further down may still be graded in the other.
No outcome has the same name in both entries. They may still overlap under different wording — read the two lists below.
Graded only in Supplements for endurance
- Iron Unclear effectEvidence grade A
- Beta-Alanine Unclear effectEvidence grade A
- Caffeine Unclear effectEvidence grade A
- Beetroot / Dietary Nitrate Unclear effectEvidence grade B
- Taurine Unclear effectEvidence grade C
- Glycerol Unclear effectEvidence grade C
- Cordyceps Unclear effectEvidence grade D
Graded only in Beta-Alanine
- High-intensity performance (1–4 min) Small effectEvidence grade A
- Single sprint / max strength Trivial effectEvidence grade D
What each entry says about the other
- Supplements for endurance’s entry · Goes with: Grade A
Both columns are read from the entries as they stand in this library. A comparison is not advice to take either one, and it is no substitute for a clinician who knows the person.