Compare Supplements

Side-by-side comparison of 2 supplements

Ct9.5

Creatine

High safety

Spr6.5

Soy Protein

High safety

Evidence

Evidence Score9.5/10

Studies: 85

Meta-analyses: 17

Evidence Score6.5/10

Studies: 5

Meta-analyses: 4

Outcome Grades

Build strength & muscleA

Build strength & muscleC

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:

Best Time:

Any time · with food (preferred)

Can take on empty stomach

Form:

Monohydrate powder

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 Strengthpositive

2-4 weeks

📈 Muscle Fullnesspositive

1-2 weeks

💧 Water Retentiontrade-off

First week

💪 Muscle and strength gainspositive

6-12 weeks

❤️ Lower LDL cholesterolpositive

4-12 weeks

🍽️ Satietypositive

Acute

Safety

High safety

Contraindications:

Pre-existing kidney disease (consult doctor)
Rare genetic creatine metabolism disorders

Drug Interactions:

Nephrotoxic drugs

Side Effects:

Water retentionGI discomfort

High safety

Contraindications:

Soy allergy

Drug Interactions:

Levothyroxine

Side Effects:

Bloating/GI upsetAllergic reaction

Works well with

complementary

complementary

complementary

complementary

stacks-well

How they work together

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