(S)-α-amino-4-hydroxybenzenepropanoic acid
Found in 577 products 5 forms available Trending for: dopamine support, focus enhancement, memory support, stress resilience
Understanding (S)-α-amino-4-hydroxybenzenepropanoic acid
Research-backed benefits
→Supports cognitive performance and focus, especially during mentally demanding tasks
→Supports neurotransmitter synthesis (dopamine/norepinephrine) to help maintain mood and alertness
→Helps maintain energy and mental clarity under stress
→Promotes resilience to stress-related cognitive fatigue
Dosage Guide
150mg
Low
498mg
Standard
750mg
Therapeutic
• Most products contain 150-498mg
• Therapeutic dose: 498-750mg
Forms & Absorption
L-Tyrosine
Standard form
2226 products
N-Acetyl-L-Tyrosine
Standard form
520 products
Tyrosine
Standard form
267 products
N-Acetyl L-Tyrosine
Standard form
245 products
L-Tyrosine; Micronized
Standard form
92 products
Timing & Usage
Based on analyzing 18,025 products with (S)-α-amino-4-hydroxybenzenepropanoic acid
Best taken:Empty stomach
With food:8% recommend empty stomach, 7% with food
Spacing:<1% show interactions
Works Well With
Top Products

EnerVital
Source Naturals • Tablet or Pill
$43.61

EnerVital
Source Naturals • Tablet or Pill
$26.80

Essential Amino Complete Raspberry Iced Tea
GNC Pro Performance • Powder
$39.99

POISE
Core Nutritionals • Capsule
$39.99