Cornsilk

In trials, Cornsilk tea or decoction was used alongside conventional antihypertensive medication and compared with antihypertensive medication alone.

The pooled results found that the addition of Corn Silk tea was associated with a greater rate of blood-pressure improvement compared with conventional medication alone.

https://pubmed.ncbi.nlm.nih.gov/30792743/

A pharmacological review of the herb describes research supporting its traditional use as a diuretic, as well as research investigating its antioxidant, anti-inflammatory, blood-sugar, and blood-pressure effects. Corn Silk contains flavonoids, phenolic compounds, terpenoids, phytosterols, and other constituents that may contribute to its biological activity.

https://pubmed.ncbi.nlm.nih.gov/22890173/

Extract:
1:6 ratio (175 mg Cornsilk per dropperful)
2 ounce bottle provides 60 dropperfuls.

Dosing: Adults: 2–3 dropperfuls as needed.

Ingredients: Vegetable glycerin, grain alcohol, organic Corn Silk (Zea mays).