Materia Medica

Fucus vesiculosus (Bladderwrack), realistic photo
Bladderwrack (Fucus vesiculosus) — Black Tang, Sea Oak
Bladderwrack (Fucus vesiculosus) Materia Medica with brown-seaweed identification and look-alikes, iodine-specific traditional-use monograph context, five measured nonmedicinal/food-grade preparation examples, marine cultivation, contamination, coastal history and folklore. Read more...
Kelp (Ascophyllum nodosum) — Knotted Wrack, Norwegian Kelp, Rockweed
A guide to Ascophyllum nodosum kelp covering iodine variability, food use, thyroid medication cautions, contaminant testing and allergy misconceptions. Read more...