Herbs & Botanicals

Irish Moss (Chondrus crispus): Red-Algae Guide to Food, Carrageenan, Minerals & Safety
A guide to Chondrus crispus covering Irish moss as red algae, traditional food use, carrageenan, variable iodine, thyroid caution and source quality. Read more...
Iceland Moss (Cetraria islandica): Lichen Guide, Traditional Use, Preparation, Research & Safety
A guide to Cetraria islandica explaining why Iceland moss is a lichen, its food and throat-soothing traditions, preparation, evidence and source-quality safety. Read more...
Hyssop (Hyssopus officinalis): Whole-Plant Guide to Culinary Tradition, Herbal Use, Essential-Oil Safety & Folklore
A guide to Hyssopus officinalis covering culinary and traditional use, respiratory folklore, essential-oil seizure risk, pregnancy cautions and symbolism. Read more...
Hydrangea (Hydrangea arborescens): Whole-Plant Guide to Root Tradition, Identification, Research & Safety
A careful guide to Hydrangea arborescens covering root-bark tradition, urinary folklore, species identification, limited evidence and toxicity concerns. Read more...
Horsetail (Equisetum arvense): Whole-Plant Guide to Identification, Traditional Use, Silica & Safety
A guide to Equisetum arvense covering horsetail identification, sterile stems, traditional urinary use, silica, thiaminase concerns and safety. Read more...
Horehound (Marrubium vulgare): Whole-Plant Guide to Traditional Cough Use, Bitters, Preparation & Safety
A guide to Marrubium vulgare covering horehound's traditional cough and bitter use, preparation, limited research, pregnancy cautions and folklore. Read more...
Hops (Humulus lupulus): Whole-Plant Guide to Brewing, Traditional Sleep Use, Research & Safety
A guide to Humulus lupulus covering brewing, traditional calming use, sleep research, phytoestrogenic constituents and sedation safety. Read more...
Holy Basil / Tulsi (Ocimum tenuiflorum): Whole-Plant Guide to Tradition, Research & Safety
A guide to Ocimum tenuiflorum covering tulsi's sacred and Ayurvedic context, tea use, emerging research, glucose and medication cautions, and safety. Read more...
Hibiscus (Hibiscus sabdariffa): Whole-Plant Guide to Tea, Food, Blood-Pressure Research & Safety
A guide to Hibiscus sabdariffa covering calyces, tea traditions, blood-pressure research, medication cautions and cultural associations. Read more...
Hawthorn (Crataegus monogyna): Whole-Plant Guide to Berry, Leaf & Flower, Heart Research & Safety
A guide to Crataegus monogyna covering hawthorn berry, leaf and flower, traditional heart use, standardized-extract research, medication cautions and folklore. Read more...
Gymnema (Gymnema sylvestre): Whole-Plant Guide to Sweet-Taste Effects, Traditional Use, Research & Safety
A guide to Gymnema sylvestre covering sweet-taste suppression, Ayurvedic tradition, glucose research, hypoglycemia and medication cautions. Read more...
Guarana (Paullinia cupana): Whole-Plant Guide to Caffeine, Traditional Use, Research & Safety
A guide to Paullinia cupana covering guarana seed, Amazonian tradition, caffeine effects, research and stimulant safety. Read more...