Compare Supplements

Side-by-side comparison of 2 supplements

NR7.2

Nicotinamide Riboside

High safety

Tyr7.0

Tyrosine

Moderate safety

Evidence

Evidence Score7.2/10

Studies: 32

Meta-analyses: 5

Evidence Score7/10

Studies: 18

Meta-analyses: 30

Outcome Grades

Sharpen focusC

Boost daily energyB

Improve memory & learningC

Sharpen focusB

Boost daily energyC

Improve memory & learningC

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:

500mg

Best Time:

Morning · with food (preferred)

Take with food

Form:

Nicotinamide Riboside Chloride capsules or powder

Dosage:

1500mg

Best Time:

Morning

Can take on empty stomach

Form:

L-Tyrosine powder or capsules

What you'll notice

📈 Elevated Blood NAD+ Levels95%

1–2 weeks

⚡ Improved Energy & Reduced Fatigue55%

4–8 weeks

🧠 Cognitive Stability45%

8–16 weeks

🎯 Maintained Focus Under Stress70%

30-60 minutes

🧠 Improved Working Memory60%

30-60 minutes

😌 Reduced Stress Effects65%

30-60 minutes

Safety

High safety

Contraindications:

Known hypersensitivity to nicotinamide riboside or niacin derivatives
Active cancer or cancer history: NAD+ elevation may theoretically support tumor cell metabolism (consult oncologist before use)
Severe hepatic impairment: high-dose NAD+ precursors may affect liver metabolism

Drug Interactions: