L-Tyrosine
Aliases: L-tyr, Tyrosine, 4-hydroxyphenylalanine
Summary
Tyrosine (also known as L-Tyrosine and 4-hydroxyphenylalanine) is a non-essential amino acid that serves a precursor to dopamine, adrenaline and norepinephrine in the human body. As a supplement, it is reported to act as a mild stimulant. It is also one of the 22 amino acids that are used by cells to synthesize proteins and is abundant in many high-protein foods, such as chicken, turkey, fish, cottage cheese, cheese, yogurt, almonds, milk, avocados, bananas, peanuts, pumpkin seeds, sesame seeds and soy products.
Dose Information
| ROA | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| Oral | 500-1000mg | 1000-2000mg | 2000-3000mg | 3000mg+ |
Onset, Duration & After-effects
| ROA | Onset | Peak | Offset |
|---|---|---|---|
| Oral | 30-90 min | 1-3 hrs | 1-2 hrs |
Effect Profile
14 reportsScores (1–10) curated from multiple sources:
- Effect keyword matching from PsychonautWiki catalog
- Weighted by importance: core (×3), major (×2), minor (×1)
Strong focus with moderate stimulation, mild euphoria, low anxiety/jitters
Tolerance
Tolerance Decay
Effects
Aggregated from 14 Erowid experience reports