Hypertension
Every intervention in the library graded against Hypertension — 11 links, strongest claim first. Each is the entry’s own reading of the evidence, not advice for anyone in particular.
Zone 2 training on Hypertension
ImprovesGrade A — strong — several well-run trials agree
5–8 mmHg systolic — first-line lifestyle therapy
Read the Zone 2 training entry · Everything it is graded against
Improves4 links
- Zone 2 trainingEvidence grade A
5–8 mmHg systolic — first-line lifestyle therapy
- HibiscusEvidence grade B
Food-based
- PotassiumEvidence grade B
Via sodium-potassium balance
- Sleep architectureEvidence grade B
Short sleep raises 24h blood-pressure load
May improve6 links
- Cocoa FlavanolsEvidence grade B
Modest
- GarlicEvidence grade B
Modest additive lowering
- MagnesiumEvidence grade B
Small additive lowering
- Grape Seed ExtractEvidence grade C
Modest
- NattokinaseEvidence grade C
Modest
- Olive Leaf ExtractEvidence grade C
Modest
May worsen1 link
- Caffeine + L-TheanineEvidence grade C
Acute BP bump in naive users; tolerance develops with regular use
Directions and grades are read from each intervention’s own entry in this library. They describe the evidence for a link, not what anyone should take, and they are no substitute for a clinician who knows the person.