Compare Supplements

Side-by-side comparison of 2 supplements

Ka9.0

Kava

Limited safety

Np5.5

Noopept

Moderate safety

Evidence

Evidence Score9/10

Studies: 34

Meta-analyses: 9

Evidence Score5.5/10

Studies: 12

Meta-analyses: 0

Outcome Grades

Reduce anxiety & stressA

Reduce anxiety & stressD

A-F grade per outcome, combining overall evidence with goal-specific relevance. A = strong evidence; F = insufficient. Hover a badge for details.

Dosage & timing

Dosage:

240mg kavalactones

Best Time:

Evening

Can take on empty stomach

Form:

Water-extracted root powder or capsules

Dosage:

20mg

Best Time:

Morning · with food (preferred)

Can take on empty stomach

Form:

Noopept powder (sublingual) or capsules

What you'll notice

😌 Reduced Anxiety75%

30-60 minutes

💆 Muscle Relaxation70%

30-60 minutes

🗣️ Improved Sociability60%

30-60 minutes

💡 Memory & Learning70%

1-2 weeks

🎯 Mental Clarity65%

Acute to 1 week

🛡️ Neuroprotection55%

Ongoing

Safety

Limited safety

Contraindications:

Liver disease or compromised liver function
Heavy alcohol use
Parkinson's disease (may worsen symptoms)

Drug Interactions:

Alcohol
Benzodiazepines/sedatives
Levodopa (Parkinson's medications)

Side Effects:

DrowsinessGI upsetKava dermopathy (scaly skin)

Moderate safety

Contraindications:

Severe hypertension
Kidney or liver impairment

Side Effects:

IrritabilityHeadacheInsomnia

Works well with

L-Theanine

complementary

Alpha-GPC

complementary

Piracetam

complementary

How they work together

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