Are supplements safe?
Are supplements effective?
Are your supplements worth the money?
We ARE the answer.
525 products and 2,499 ingredients analyzed against 47,000+ clinical trials. Same databases your doctor uses. No sponsored content.
Most products underdose. We compare against what studies actually use.
Form matters. Magnesium oxide (4%) vs glycinate (80%). We track bioavailability for every ingredient.
59,000+ known interactions checked. Zinc blocks copper. Iron blocks everything. We catch it.
Plain English verdicts. What works, what doesn't, and who it's actually for.
Cross-referenced against 47,000+ clinical trials from PubMed, NIH, and ClinicalTrials.gov
See How They Actually Stack Up
Double Wood Supplements
DHEA 100mg
Ancient Nutrition
Multi Collagen Protein
Centrum
Adults Multivitamin
Doctor's Best
High Absorption Magnesium
BulkSupplements
Creatine Monohydrate Powder
Carlson
Cod Liver Oil
Align
Daily Probiotic
Ancestral Supplements
Ancestral Supplements Grass Fed Beef Organs
Airborne
Immune Support Tablets
Athletic Greens
AG1
Cellucor
C4 Original Pre-Workout
BSN
Syntha-6 Protein
Double Wood Supplements
DHEA 100mg
Ancient Nutrition
Multi Collagen Protein
Centrum
Adults Multivitamin
Doctor's Best
High Absorption Magnesium
BulkSupplements
Creatine Monohydrate Powder
Carlson
Cod Liver Oil
Align
Daily Probiotic
Ancestral Supplements
Ancestral Supplements Grass Fed Beef Organs
Airborne
Immune Support Tablets
Athletic Greens
AG1
Cellucor
C4 Original Pre-Workout
BSN
Syntha-6 Protein
Every Stack Analysis Includes
Here's what you'll see when you analyze your supplements
Stack Score
Overall rating from 1-10 based on evidence & dosing
Dose Analysis
Are you getting enough? We compare to clinical research
Synergies Found
Which ingredients work better together
Conflict Alerts
Potential interactions and timing issues
Common Questions
Get straight answers to supplement questions. No fluff, just science.
What People Are Saying
Join thousands who stopped guessing and started knowing.