Protocol · Cardiovascular
High Blood Pressure (Hypertension) Protocol
Cocoa Extract and Aged Garlic Extract are the core of this stack, with 4 supporting supplements. Each row gives the amount the protocol lists and the grade our evidence database holds for that supplement in High Blood Pressure (Hypertension).
We are re-verifying the studies cited on protocol pages; only confirmed citations are shown.
The stack
6 supplements · 5 graded · 1 graded A · 3 confirmed studies
| Grade | Supplement | Amount listed | Why it’s in the stack | Evidence on file | Shop |
|---|---|---|---|---|---|
| Primary stackThe core of this protocol | |||||
| Cocoa Extract | Amount listed: 500–1,000 mg cocoa flavanols daily (or 30–40 g dark chocolate 70%+) | Flavanols enhance nitric oxide production and vasodilation, improving endothelial function and reducing blood pressure
| Grade D for Adiponectin20 people | ||
| Aged Garlic Extract | Amount listed: 600–1,200 mg aged garlic extract daily | Stimulates hydrogen sulfide production, enhances nitric oxide bioavailability, and promotes vasodilation | Not graded yet | ||
Confirmed studies for Aged Garlic Extract (titles as PubMed lists them) | |||||
| Supporting stackListed as additions to the core | |||||
| Potassium | Amount listed: 2,000–4,700 mg daily from diet/supplements | Counterbalances sodium, promotes natriuresis, and relaxes blood vessel walls
| Grade B for Blood Pressure2 studies · 1,829 people | ||
Confirmed studies for Potassium (titles as PubMed lists them) | |||||
| Magnesium | Amount listed: 300–500 mg daily | Acts as natural calcium channel blocker, promotes vasodilation, and regulates vascular tone
| Grade B for Blood glucose17 studies · 234 people | ||
Confirmed studies for Magnesium (titles as PubMed lists them) | |||||
| Hibiscus (Roselle) | Amount listed: 1.5–3 g hibiscus tea 2–3× daily (or 250–500 mg extract) | Anthocyanins act as ACE inhibitors and promote diuresis, lowering blood pressure naturally
| Grade A for Blood Pressure291 people | ||
| Omega-3 Fatty Acids | Amount listed: 2–4 g EPA/DHA daily | Reduces arterial stiffness, improves endothelial function, and modulates eicosanoid balance
| Grade D for Blood Flow1 study · 65 people | ||
Shop the evidence-backed picks
The collection holds the supplements we grade A or B for its theme, in third-party tested products where the catalog has them. It opens in our Fullscript store. You can look through it without signing in; Fullscript asks for a free account to order.
Or shop one supplement
The 3 supplements in this protocol graded A or B. Each opens third-party tested products, matched to the dose above where we can.
- Grade B
- Grade B
- Grade A
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How this protocol works
In plain language
High blood pressure (hypertension) affects about 1 in 3 adults and is a leading risk factor for heart disease, stroke, and kidney disease. Blood pressure is regulated by blood vessel diameter, blood volume, and how hard the heart pumps. This protocol addresses multiple aspects of blood pressure regulation.
- Cocoa Extract contains flavanols that significantly lower blood pressure by increasing nitric oxide production. Nitric oxide is a molecule that tells blood vessels to relax and widen (vasodilation). Meta-analyses consistently show 2-3 mmHg systolic reductions—modest but clinically meaningful when sustained. Dark chocolate (70%+ cocoa) or cocoa extract supplements provide concentrated flavanols.
- Aged Garlic Extract has been studied extensively for blood pressure reduction. It works by promoting production of hydrogen sulfide—another molecule that relaxes blood vessels. Aging the garlic reduces odor while preserving bioactive compounds. Studies show 10-12 mmHg systolic reductions in people with hypertension.
- Potassium is one of the most important minerals for blood pressure control. It counteracts sodium's effects, helps the kidneys excrete excess fluid, and directly relaxes blood vessel walls. Most people don't get enough potassium—aim for 3500-4700mg daily from foods like bananas, potatoes, spinach, and beans.
- Magnesium acts as a natural calcium channel blocker, helping blood vessels relax. About 50% of adults don't meet the recommended intake, and deficiency can raise blood pressure. Supplementation shows modest but consistent BP reductions.
- Hibiscus (Roselle) tea has been traditionally used for hypertension and is now backed by clinical trials. It contains anthocyanins that act as natural ACE inhibitors—similar to prescription blood pressure medications. Drinking 2-3 cups daily can lower systolic pressure by 7-8 mmHg.
- Omega-3 Fatty Acids improve blood vessel flexibility and reduce inflammation. Higher doses (3g+) are needed for meaningful blood pressure effects.
Expected timeline: Blood pressure reductions can be observed within 2-4 weeks for garlic and hibiscus. Cocoa and potassium effects may be seen within 2 weeks. Consistent use over 8-12 weeks provides optimal results.