Compare Supplements

Side-by-side comparison of 2 supplements

Caf9.5

Caffeine

Moderate safety

Spr6.5

Soy Protein

High safety

Evidence

Evidence Score9.5/10

Studies: 169

Meta-analyses: 19

Evidence Score6.5/10

Studies: 5

Meta-analyses: 4

Dosage & timing

Dosage:

200mg

Best Time:

Morning · with food (preferred)

Can take on empty stomach

Form:

Pill/capsule for precise dosing

Dosage:

20-40g per serving for muscle (aim ~2-3g leucine); ~25g/day is the level associated with cholesterol lowering

Best Time:

Any time

Can take on empty stomach

Form:

Soy protein isolate

What you'll notice

👁️ Increased Alertnesspositive

15-45 minutes

🎯 Improved Focuspositive

30-60 minutes

🏃 Better Exercise Performancepositive

30-60 minutes

💪 Muscle and strength gainspositive

6-12 weeks

❤️ Lower LDL cholesterolpositive

4-12 weeks

🍽️ Satietypositive

Acute

Safety

Moderate safety

Contraindications:

Severe anxiety disorders
Uncontrolled high blood pressure
Heart arrhythmias

Drug Interactions:

Stimulant medications (Adderall, etc.)
MAO inhibitors
Certain antibiotics (Cipro)

Side Effects:

Jitteriness/anxietyInsomniaIncreased heart rate

High safety

Contraindications:

Soy allergy

Drug Interactions:

Levothyroxine

Side Effects:

Bloating/GI upsetAllergic reaction

Works well with

enhances

complementary

stacks-well

complementary

stacks-well

How they work together

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