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Polycrest Herbs (New May 2021)

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Other Databases

Herbal Safety in Pregnancy and Lactation

Herb-Drug Interactions: CYP450-Related

Ecological Status of Herbs

Bitter Herbs (New March 2021)

Salicylate Content of Herbs

Drugs Derived from Natural Products

East Asian Medicinal Herb Names and Properties

Saponin Herbs (New March 2021)

Herbal Safety in Organ Transplants

Herbs and Antibiotics in Combination

Weiss's Herbal Medicine Therapeutic Index

Chemistry and Actions by Botanical Family

Edible Plants of the World (external link)

Pyrrolizidine Alkaloids