Séimí Mac Síomón · 107w Meadowsweet is what you need, trust me. Séimí Mac Síomón @Séimí Mac Síomón 1723897445 A decoction of the wild plant or ground powder dissolved in cold water three times a day for heartburn. Heartburn gone.But you know, if you bet consistent heartburn, something isn't right.Common causes are stomach ulcers and sphincter muscles along the digestive tract that wont open and close as they should.