L-Tyrosine and Supplements for stress

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.

Compound or practice

L-Tyrosine

A catecholamine precursor that buffers performance under acute stress and sleep loss — and does little on a normal day.

Grade C2 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.

Goal guide

Supplements for stress

16 compounds relevant to stress, ranked by overall evidence grade.

Grade B16 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.

Swap the two

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 L-Tyrosine

  • Cognition under acute stress / sleep loss Moderate effectEvidence grade C
  • Cognition when rested Trivial effectEvidence grade D

Graded only in Supplements for stress

  • Rhodiola Rosea Unclear effectEvidence grade B
  • St. John's Wort Unclear effectEvidence grade B
  • Saffron Unclear effectEvidence grade B
  • Kava Unclear effectEvidence grade B
  • Lavender (Silexan) Unclear effectEvidence grade B
  • L-Tyrosine Unclear effectEvidence grade C
  • Panax Ginseng Unclear effectEvidence grade C
  • Holy Basil (Tulsi) Unclear effectEvidence grade C
  • Phosphatidylserine Unclear effectEvidence grade C
  • Tongkat Ali Unclear effectEvidence grade C
  • L-Ornithine Unclear effectEvidence grade C
  • Lemon Balm Unclear effectEvidence grade C
  • Magnolia Bark Unclear effectEvidence grade C
  • Schisandra Unclear effectEvidence grade C
  • Eleuthero (Siberian Ginseng) Unclear effectEvidence grade C
  • Lithium (Low-Dose) Unclear effectEvidence grade D

What each entry says about the other

  • Supplements for stress’s entry · Goes with: Grade C

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.