Top pick · DoseRank
Why this ranks #1 for stroke
#1
NOW Foods, Folic Acid, 250 Tablets
NOW Foods$0.02 / serving4.8 · 43,658Available now
Why this ranks here
- Evidence fitFolic Acid is the strongest evidence signal for this outcome.
- Dose fitFolic Acid at 800 mcg lands inside the studied 400-800 µg window.
- Price / serving$0.02 per serving — low price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustStrong trust signals — consistently high marks from verified buyer ratings.
Trade-offs
Evidence depth trails the rest of this list
The numbers
88
89
90
95
800 mcgIn rangeinside the studied 400-800 µg window