🌺Thai Traditional Medicine

Thai Black Ginger (Krachai Dam)

Kaempferia parviflora

About Thai Black Ginger (Krachai Dam)

Thai Black Ginger (Krachai Dam) (Kaempferia parviflora) is a herb used in the Thai Traditional Medicine tradition to help with Male Libido, Erectile Dysfunction, Testosterone, and Fatigue, among 4 other conditions it addresses. The rhizome is the part traditionally used, used both internally and topically.

Botanical background

Kaempferia parviflora, the Thai black ginger, Thai ginseng or krachai dum, is an herbaceous plant in the family Zingiberaceae, native to Thailand. Kaempferia parviflora has been the subject of increased scientific interest in recent years. In a systematic review in 2016, 683 records and 7 studies were analyzed, with a reference that krachai dum significantly increased hand grip strength and enhanced the response to sexual erotic stimuli. An earlier study found that acute dosing did not...

Source: Wikipedia, via iNaturalist

Parts used

Rhizome · both
🍵

Tea / Infusion

1–3 cups daily
  • Steep 1–2 tsp of dried Thai Black Ginger (Krachai Dam) in freshly boiled water for 5–10 minutes.
  • Cover while steeping.
  • Strain and drink.
💧

Tincture

20–40 drops in water, 2–3× daily
  • Pack dried Thai Black Ginger (Krachai Dam) 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

500 mg – 1 g, 1–3× daily
  • Grind dried Thai Black Ginger (Krachai Dam) into a fine powder.
  • Fill size 00 capsules or stir into smoothies or honey.

Contraindications

  • Pregnancy & breastfeeding — insufficient safety data; consult your doctor
  • Children under 12 — therapeutic dosage not established
  • Pre-surgery — discontinue at least 2 weeks prior (potential antiplatelet effect)

Warnings

⚠️ Pregnancy & Breastfeeding

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

Heart & Blood Pressure Medications

May interact with antihypertensive drugs, blood thinners, or cardiac medications. Do not combine without medical guidance.

⚠️ 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

Southeast Asia (cultivated worldwide)

Climate

Tropical and subtropical

Habitat

Originally from Southeast Asian tropical forests. Now cultivated globally in tropical gardens and farms. Prefers partial shade and moist, rich soil.

🌿 To see Thai Black Ginger (Krachai Dam) 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

  • Thai and Southeast Asian grocery stores
  • Asian supermarkets with herbal and fresh produce sections
  • 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 Thai Black Ginger (Krachai Dam), 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.