A hundred years ago, doctors found that cod liver oil and sunshine could straighten the bowed legs of children with rickets. Twenty years later a dentist found a mysterious “Activator X” in spring butter. Here’s why people now take vitamin D3 and K2 together, what the studies actually show, and the one medicine that makes K2 a serious matter.
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Fennel
ByClifFennel seed is the sweet, licorice-like seed behind many after-dinner teas, traditionally used to ease bloating and gas. Members can read what the research says, typical amounts from the official European monograph, and who should skip it.
Peppermint
ByClifPeppermint has settled stomachs and freshened breath since ancient Egypt, and today it's one of the few herbs with solid research behind it, especially for an irritable gut. Here's how tradition uses the leaf and the oil, what the studies show, and who should skip it.
Black Walnut Hull
ByClifBlack walnut hull is the bitter, dark-staining husk at the heart of the classic "wormwood, black walnut and clove" parasite cleanse. Members can read its traditional story, what the research does and doesn't show, and the safety points to know first.
Cinnamon
ByClifOne of the oldest spices in the world, cinnamon was traded from Asia to Egypt as far back as 2000 BC. Ayurveda, Chinese medicine and Persian medicine all use it as a warming herb for digestion, circulation and the womb, and modern researchers are studying it for period pain and metabolic health.
Sauna
ByClifSweating it out in a sauna is one of the oldest cleansing rituals there is. Here's what sweat really carries out of the body, what decades of Finnish research found about heart health, and who should check with a doctor before stepping into the heat.
Beets
ByClifThe deep-red root that shows up in almost every liver cleanse and "detox juice." Here's why people reach for it, what the research actually shows (mostly about blood pressure, not detox), and the harmless-but-alarming side effect everyone should know about.