🌳Amazonian Plant MedicineπŸ¦™Andean & Incan Medicine

Mashua (Nasturtium Tuber)

Tropaeolum tuberosum

About Mashua (Nasturtium Tuber)

Mashua (Nasturtium Tuber) (Tropaeolum tuberosum) is a herb used in the Amazonian Plant Medicine and Andean & Incan Medicine traditions to help with Kidney Support, UTI, Prostate Health, and Anemia, among 3 other conditions it addresses. The aerial parts and leaves are the parts traditionally used, taken internally.

Botanical background

Tropaeolum tuberosum (mashua, see below for other names) is a species of flowering plant in the family Tropaeolaceae, grown in the Andes, particularly in Peru and Bolivia, and to a lesser extent in Ecuador as well as in BoyacΓ‘ Department, Colombia, for its edible tubers, which are eaten cooked or roasted as a vegetable. It is a minor food source, especially to native Amerindian populations. Mashua is a herbaceous perennial climber growing to 2–4 m (7–13 ft) in...

Source: Wikipedia, via iNaturalist

Parts used

Aerial Parts Β· internalLeaves Β· internal
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Tea / Infusion

1–3 cups daily
  • Steep 1–2 tsp of dried Mashua (Nasturtium Tuber) in freshly boiled water for 5–10 minutes.
  • Cover while steeping.
  • Strain and drink.
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Tincture

20–40 drops in water, 2–3Γ— daily
  • Pack dried Mashua (Nasturtium Tuber) 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.
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Powder / Capsule

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

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
  • Significant kidney impairment β€” diuretic herbs may worsen renal function

Warnings

⚠️ Pregnancy & Breastfeeding

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

⚠️ Kidney Disease

Some diuretic herbs are contraindicated in those with kidney disease. Consult your doctor if you have impaired kidney function.

⚠️ 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

May have a diuretic effect

Watch for: Diuretic medications and lithium

Additive fluid loss can affect electrolyte balance and change how the body clears lithium.

May affect immune activity

Watch for: Immunosuppressants (for transplant or autoimmune conditions)

Immune-stimulating herbs can work against immunosuppressive therapy.

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 Mashua (Nasturtium Tuber) 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 Mashua (Nasturtium Tuber), 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.