🌳Amazonian Plant Medicine

Quillaja (Soapbark)

Quillaja saponaria

About Quillaja (Soapbark)

Quillaja (Soapbark) (Quillaja saponaria) is a herb used in the Amazonian Plant Medicine tradition to help with Respiratory Issues, Cough, Immune Support, and Digestive Issues. The aerial parts and leaves are the parts traditionally used, taken internally.

Botanical background

Quillaja saponaria, the soap bark tree or soapbark, is an evergreen tree in the family Quillajaceae, native to warm temperate central Chile. In Chile it occurs from 32 to 40Β° South Latitude approximately. Populations are found even 2000 m (6500 ft) above sea level. It can grow to 15–20 m (50–65 ft) in height. The tree has thick, dark bark, smooth, leathery, shiny, oval evergreen leaves 3–5 cm long, white flowers 15 mm diameter borne in dense corymbs, and a dry...

Source: Wikipedia, via iNaturalist

Parts used

Aerial Parts Β· internalLeaves Β· internal
πŸ«–

Decoction

1–2 cups daily
  • Add 1–2 tsp of dried Quillaja (Soapbark) to 2 cups of cold water.
  • Bring to a boil, then simmer for 15–20 minutes.
  • Strain and drink warm.
πŸ’§

Tincture

20–40 drops in water, 2–3Γ— daily
  • Pack dried Quillaja (Soapbark) into a jar and cover with 40–60% alcohol.
  • Seal and steep for 4–6 weeks, shaking daily.
  • Strain and store in a dark dropper bottle.
πŸ’Š

Powder / Capsule

500 mg – 1 g, 1–3Γ— daily
  • Grind dried Quillaja (Soapbark) into a fine powder.
  • Fill size 00 capsules or stir into smoothies or honey.
♨️

Steam Inhalation

1–2Γ— daily during acute symptoms
  • Add 2–3 tbsp of Quillaja (Soapbark) to a bowl of just-boiled water.
  • Drape a towel over your head and inhale steam for 5–10 minutes.

Contraindications

  • Pregnancy & breastfeeding β€” insufficient safety data; consult your doctor
  • Children under 12 β€” therapeutic dosage not established
  • Autoimmune conditions (lupus, MS, RA) β€” may overstimulate immune response

Warnings

⚠️ Pregnancy & Breastfeeding

Safety during pregnancy and breastfeeding has not been established for most herbal remedies. Consult your midwife or doctor before use.

⚠️ Allergic Reactions

Discontinue immediately if you experience rash, itching, swelling, or difficulty breathing.

⚠️ Not Medical Advice

This information is for educational purposes only. Always consult a qualified healthcare provider before using herbal remedies.

Where to find in nature

Native region

Amazon Basin β€” Brazil, Peru, Ecuador, Colombia

Climate

Tropical rainforest

Habitat

Deep within the Amazon rainforest canopy and riverbanks; many accessible only via indigenous guides

🌿 To see Quillaja (Soapbark) growing, visit botanical gardens, university plant collections, or specialist herb nurseries near you. If foraging in the wild, always work with an expert identifier β€” never consume a plant you are not 100% certain of.

Where to buy

In store

  • Specialist botanical importers
  • Ayahuasca retreat centres and shamanic plant medicine suppliers (where legal)
  • Health food stores (Whole Foods, Natural Grocers, Holland & Barrett, GNC)
  • Naturopathic clinics and integrative medicine practices
  • Specialist herbal apothecaries and herbalist practices

Online

iHerb

Wide selection of standardised extracts, capsules, and powders with lab testing

Mountain Rose Herbs

Premium bulk dried herbs β€” certified organic, ethically sourced

Starwest Botanicals

Large selection of certified organic bulk herbs and powders

Herb Pharm

High-quality liquid extracts and tinctures, rigorous quality standards

Amazon

Convenient β€” verify brand certifications and check third-party testing

Etsy

Small-batch artisan herbalists, hand-harvested and wildcrafted herbs

Quality tips

When buying Quillaja (Soapbark), look for: certified organic labelling, clearly stated country of origin, third-party lab testing for heavy metals and pesticides, and a batch expiry date. Standardised extracts offer consistent dosing; bulk dried herbs are more economical for regular use. Avoid very cheap, unlabelled products β€” quality varies enormously.