Simonillo
Conyza filaginoides
About Simonillo
Simonillo (Conyza filaginoides) is a herb used in the Latin American Curanderismo tradition to help with Digestive Issues, Fever, Diarrhea, and Liver Support. The aerial parts and leaves are the parts traditionally used, taken internally.
Parts used
Conditions addressed
Tea / Infusion
- Steep 1–2 tsp of dried Simonillo in freshly boiled water for 5–10 minutes.
- Cover while steeping.
- Strain and drink.
Tincture
- Pack dried Simonillo 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.
Powder / Capsule
- Grind dried Simonillo into a fine powder.
- Fill size 00 capsules or stir into smoothies or honey.
Pregnancy, Breastfeeding & Children
No herb-specific pregnancy/child safety research is documented for Simonillo in our references — the guidance below is based on its general effect category, not research on Simonillo itself. Always confirm with a midwife, doctor, or pediatrician.
Pregnancy
Use CautionThis herb is processed through the liver, which is already working harder during pregnancy — generally used cautiously and not at high/concentrated doses without guidance. This is a general, mechanism-based caution, not herb-specific research.
Breastfeeding
Use CautionLiver-processed compounds can appear in breast milk — generally used cautiously and in moderation.
Children
Use CautionA child's liver is still developing its full drug/herb-processing capacity — these herbs are generally used cautiously and at reduced, age-appropriate doses.
Contraindications
- Active liver disease — monitor liver enzymes with long-term use
Warnings
⚠️ Liver Health
Some herbs used for liver conditions can be hepatotoxic at high doses. Have liver function monitored if using long-term.
⚠️ 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.
Drug & herb interactions
Processed by the liver
Watch for: Any medication that is also processed by liver enzymes (ask your pharmacist — this includes many common prescriptions)
Can alter how quickly the body clears certain medications, raising or lowering their effective dose.
Where to find in nature
Native region
Mexico, Central America, Caribbean
Climate
Tropical to semi-arid
Habitat
Tropical forests, highland plateaus, and healing plant markets of Latin America
🌿 To see Simonillo growing, visit botanical gardens, university plant collections, or specialist herb nurseries near you. If foraging in the wild, always work with an expert identifier — never consume a plant you are not 100% certain of.
Where to buy
In store
- Latin American botanicas (herbal apothecaries)
- Mexican and Central American grocery stores and markets
- 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 — 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 — verify brand certifications and check third-party testing
Etsy
Small-batch artisan herbalists, hand-harvested and wildcrafted herbs
Quality tips
When buying Simonillo, 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 — quality varies enormously.