People have used vinegar as a kitchen remedy for thousands of years, from Hippocrates' wound care to the honey-and-vinegar tonics of Persian medicine. Here's what tradition says, what the small modern studies found, and how to take it without hurting your throat.
A tropical fruit tree whose leaves have been brewed as a folk tea across the Caribbean, Latin America and Africa for generations. Here's what tradition says, what the research has (and hasn't) shown, and the safety points every user should know first.
A red seaweed from rocky North Atlantic shores that Irish families boiled into a soothing drink for coughs and colds, and that Caribbean kitchens turned into a thick, spiced milk drink for strength. Today it's a popular gel and gummy sold as a mineral-rich "superfood".
A small creeping plant from the carrot family, prized in Ayurveda as a "medhya rasayana", a tonic for the mind, and across Asia for skin, wounds and longevity. Sri Lankan tradition held that eating the leaves helped people live longer.
An ancient, jointed plant that looks like a little green bottle brush, horsetail is so rich in silica that people once used it to scrub pots and sand canoes. Here's what tradition and research say about it, and why it should be used carefully.
The silver-green leaves of the olive tree, one of the oldest cultivated trees on earth, have been brewed into a bitter tea around the Mediterranean for centuries. Here's what tradition and research say about them, and who should be careful.
A thorny vine from the Amazon rainforest, named for the curved hooks on its stems, that Peruvian peoples have boiled into a bitter bark tea for generations. Here's what tradition and research say about it, and who should be careful.
Berberine is the bright-yellow compound behind some of the oldest bitter remedies in Ayurveda and Chinese medicine, from Indian barberry to Chinese goldthread. Today it is one of the most-studied plant compounds for metabolic health, and one of the most interaction-prone, so it is worth reading the safety section first.
A small Florida palm whose dark berries were food for the Seminole and Ais peoples and became the best-known men's herb in Europe and North America. Here's what tradition and research say about it, and who should be careful.
Reishi is the glossy "mushroom of immortality" of Chinese and Japanese tradition, prized for over 2,000 years as a calming, strengthening tonic. Here's what traditional medicine uses it for, what the research says so far, and who should be careful with it.
