Comfrey, coltsfoot and borage: what is the actual human evidence for harm?

Keyphrases

• Comfrey 100%
• Borage 100%
• Coltsfoot 100%
• Human Evidence 100%
• Safety Issues 50%
• Long History 50%
• Therapeutic Use 50%
• Pyrrolizidine Alkaloids 50%
• Regulatory Requirements 50%
• Medicinal Plants 50%
• Human Safety 50%
• Adverse Event Databases 50%

Pharmacology, Toxicology and Pharmaceutical Science

• Borago 100%
• Comfrey 100%
• Adverse Event 50%
• Pyrrolizidine Alkaloid 50%
• Therapeutic Use 50%
• Medicinal Plant 50%