Your trusted guide to herbs, botanicals & supplements.

Ashwagandha is a traditionally used botanical with human research most relevant to stress and some sleep outcomes. Results vary substantially by preparation, dose, duration and population.

A flowering botanical traditionally used as a tea and medicinal herb, with human research most relevant to sleep quality and generalized anxiety symptoms.

Curcumin shows meaningful promise for joint comfort — but bioavailability is everything. Formulation matters more than dose.

Echinacea is a group of North American coneflower species with human research most relevant to common cold and upper respiratory tract infection questions.

Milk thistle is the fruit of Silybum marianum, with human research focused particularly on liver-related and metabolic questions. Evidence varies by outcome and preparation.

Rhodiola rosea is a botanical whose root and rhizome have a history of traditional use. Human research is limited and heterogeneous, and findings from named extracts should not automatically be generalized to every Rhodiola product.

Elderberry is the fruit of Sambucus nigra, with limited and heterogeneous human research around colds, influenza and upper respiratory infections. Raw elderberries contain naturally occurring toxic substances and must be cooked before consumption.