biotech

Bio-Analyst

Research Platform
person
Tier-CPublic-ready7/6/2026

Tyrosine

Cognition, memory, and focus is the main area connected here, and any felt benefit should be read together with the human evidence base.

The 53.1 score includes research signals from patient or disease contexts. General supplement evidence is not repeated enough, so the C tier remains conservative.

Representative tier calculated from paper evidence that passed the collection audit.

Papers analyzed
77
Caution signal
Low
Context-specific research signal
53.1
Cognition, memory, and focusBlood pressure and vascular health markersExercise performance and recovery

Main benefit evidence

The representative ingredient tier is calculated from these target-level evidence groups.

Cognition and focus
3 studiesTier-B
Cognition, memory, and focus
Fairly consistent positive signal in studiesFelt benefit focusPatient-group study

Potential benefit studied in Cognition and focus. These findings come from a defined study population, so everyday effects may differ.

Evidence score
52.0
Study context
Patient-group study

This score reflects the strength of this benefit group. The ingredient tier also considers paper count, repetition, population, and study context.

Blood pressure and vascular health
1 studiesTier-C
Blood pressure and vascular health markers
Some positive signal observedResearch marker focusPatient-group study

This card is closer to a measured biomarker or lab outcome than a directly felt user benefit. These findings come from a defined study population, so everyday effects may differ.

Evidence score
36.8
Study context
Patient-group study

This score reflects the strength of this benefit group. The ingredient tier also considers paper count, repetition, population, and study context.

Exercise performance and recovery
4 studiesTier-C
Exercise performance and recovery
Signal is still limitedFelt benefit focusPatient-group study

Potential benefit studied in Exercise performance and recovery. These findings come from a defined study population, so everyday effects may differ.

Evidence score
10.4
Study context
Patient-group study

This score reflects the strength of this benefit group. The ingredient tier also considers paper count, repetition, population, and study context.

Recent research

Updated This Month10 new papers

Observed range in repeated studies

This range includes studies in specific patient groups. It is not a general dose or recommendation.

Lower observed study value
1
g/day
Higher observed study value
10
g/day
Only ranges repeated in human, oral, single-ingredient studies are shown.
Not personal dosing instructions, recommendations, or safety limits.

Side effects and combination findings in studies

Findings from studies of this ingredient alone are separated from findings involving another supplement or medication.

Caution index
0.6
Caution band: Low
Caution signals
0
Side effects + combos + curated rules
Key precautions
No combination caution signal is clear enough to show right now. This does not guarantee safety.
These are signals reported in studies. They do not predict what will happen to an individual.

Side effects and combination studies

No standalone side-effect or combination signal is currently clear enough to show from the collected papers. This does not mean there is no concern.

Evidence summaries

Paper IDs and full lists are private. Only study types and summaries are shown.

Key Evidence #1
Public scholarly dataCitation signal: 197
observational

[Abstract]: Introducing new chemical reactivity into proteins in living cells would endow innovative covalent bonding ability to proteins for research and engineering in vivo. Latent bioreactive unnatural amino acids (Uaas) can be incorporated into proteins to

Key Evidence #2
Public scholarly dataCitation signal: 145
review

[Abstract]: Consuming the amino-acid tyrosine (TYR), the precursor of dopamine (DA) and norepinephrine (NE), may counteract decrements in neurotransmitter function and cognitive performance. However, reports on the effectiveness of TYR supplementation vary con

Key Evidence #3
Public scholarly dataCitation signal: 142
review

A logical and efficient strategy for PD treatment is based on correcting or bypassing the enzyme deficiency by the treatment with L-DOPA, DA agonists, inhibitors of DA metabolism or brain grafts with cells expressing a high level of TH.

3 more summariesLimited representative sample by study type.
>
Public scholarly dataCitation signal: 134
rct

[Abstract]: In rats, dietary supplementation with the amino acid tyrosine (TYR) prevents depletion of central catecholamines observed during acute environmental stress. Concomitant changes in the animals' behavioral responses to stress suggest that TYR might h

Public scholarly dataCitation signal: 91
review

[Abstract]: Treatment of phenylketonuria (PKU) consists of restriction of natural protein and provision of a protein substitute that lacks phenylalanine but is enriched in tyrosine. Large and unexplained differences exist, however, in the tyrosine enrichment o

Public scholarly dataCitation signal: 80
rct

[Abstract]: Increased brain dopamine availability improves prolonged exercise tolerance in the heat. It is unclear whether supplementing the amino-acid precursor of dopamine increases exercise capacity in the heat. Eight healthy male volunteers [mean age 32 ±

Tyrosine
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