Omega-3 Fish Oil
Fish oil carries EPA and DHA, the long-chain omega-3 fats found in oily fish. Here's how folk medicine and naturopaths have used it, from cod liver oil for "aches and pains" to heart and brain support, and what the big trials found.
Fish oil carries EPA and DHA, the long-chain omega-3 fats found in oily fish. Here's how folk medicine and naturopaths have used it, from cod liver oil for "aches and pains" to heart and brain support, and what the big trials found.
Zinc is a trace mineral your body uses in hundreds of enzymes, from immune cells to skin repair. Here's how traditional medicine and naturopaths use it, what the research shows, and why more isn't better.
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.
In 1618 an English farmer found that cattle on Epsom Common wouldn't drink from a bitter pool. The salt left behind became one of the best-known home remedies of the next 350 years. Here's how people use magnesium today for sleep, muscles, headaches and regularity, what the studies found, and the safety limits that matter.
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 hardy Arctic and mountain root that Scandinavian, Siberian and Russian folk medicine have long used for endurance, cold winters and recovering strength. Today it's one of the best-known "adaptogens" for everyday stress and tiredness.
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.