Herb Library

Herb Library

Explore 5,320+ detailed herb profiles with safety data, evidence grades, and traditional uses.

Evidence:All A B C T

Showing 106 of 5,320 herbs

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Evidence-Based

Slippery Elm Powder

Ulmus rubra (powder)

C — Limited EvidenceUlmaceae

Fine ground slippery elm bark — mix with water to form a mucilaginous gruel. The most soothing GI preparation. Can be made into a porridge for convalescents.

Slippery Elm Tea

Ulmus rubra (tea)

C — Limited EvidenceUlmaceae

Mucilaginous bark tea — steep in warm (not boiling) water for maximum mucilage. The most soothing tea for sore throat, heartburn, and GI irritation.

Thymbra

Thymbra spicata

C — Limited EvidenceLamiaceae

Eastern Mediterranean herb — the original za'atar of biblical and Arab tradition. For cough, digestive complaints, and as antimicrobial. Contains carvacrol (60-80%) making it one of the strongest natural antimicrobials. Used across Lebanon, Syria, and Turkey.

Thyroid Support Formula

Ashwagandha + Guggul + Kelp + Selenium + Zinc

C — Limited EvidenceN/A (formula)

Comprehensive thyroid support — Ashwagandha for T4 conversion, Guggul for thyroid stimulation, Kelp for iodine, Selenium and Zinc for thyroid enzyme cofactors.

White Peony Root

Paeonia lactiflora

C — Limited EvidencePaeoniaceae

A TCM blood-nourishing herb used for menstrual regulation, muscle relaxation, and liver support. Key ingredient in many gynecological formulas.

Wild Yam

Dioscorea villosa

C — Limited EvidenceDioscoreaceae

A traditional antispasmodic herb. Note: wild yam does NOT convert to progesterone in the body despite marketing claims.

Yerba Mate

Ilex paraguariensis

C — Limited EvidenceAquifoliaceae

A South American caffeinated herb traditionally consumed as a social tea, providing energy support and antioxidants.

Ylang Ylang

Cananga odorata

C — Limited EvidenceAnnonaceae

A tropical flower oil used in aromatherapy for anxiety, blood pressure support, and as an aphrodisiac. One of the main ingredients in Chanel No. 5.

Yucca

Yucca schidigera

C — Limited EvidenceAsparagaceae

Desert anti-inflammatory — Native American remedy for arthritis and joint pain. Contains steroidal saponins (anti-inflammatory). Also used as natural foaming agent in beverages and pet food (reduces fecal odor). Root bark makes natural soap.

Zedoary

Curcuma zedoaria

C — Limited EvidenceZingiberaceae

TCM blood-mover — E Zhu breaks blood stasis and dissolves masses. For uterine fibroids, ovarian cysts, and abdominal pain from stagnation. Related to turmeric but different actions. Contains curcumenol and curdione (anti-tumor research).