Health Guide

Plectranthus amboinicus

Meet *Plectranthus amboinicus*, better known as **Indian Borage** or Cuban Oregano. Despite the name, it is not a true oregano, but a succulent herb prized in traditional Ayurvedic and African medicine. Visually, it looks like a thick, fuzzy mint leaf, but when you crush it, it releases a powerful, pungent aroma reminiscent of savory oregano and camphor. This plant is essentially nature’s potent respiratory aid. It is widely used as a dietary supplement and culinary herb to fight off coughs, colds, and digestive issues. Think of it as a powerful, natural 'chest rub' that you can drink or grow in your backyard.
Evidence BasedDietary Supplement
Plectranthus amboinicus
VERIFIED SOURCE

Bio-Activity Analysis

Carvacrol Concentration Comparison

SCIENTIFIC DATA VISUALIZATION

Y-Axis
Carvacrol % in Oil
Herb Source

Health Benefits & Sources

Why You Need It

  • Respiratory Relief: Acts as a powerful expectorant, helping to clear mucus and phlegm from the lungs.
  • Digestive Aid: Relieves bloating, gas, and indigestion by relaxing the smooth muscles of the gut.
  • Antimicrobial Shield: Contains compounds that fight off bacteria and fungi, supporting the immune system.
  • Anti-inflammatory: Reduces swelling and pain in joints or sore throats.

Deep Dive

The magic of Indian Borage lies in its volatile oils, specifically carvacrol and thymol. These compounds are the same ones found in oregano and thyme oil, but Plectranthus amboinicus contains them in very high concentrations. When you consume it (as a tea or supplement), carvacrol helps to relax the respiratory tract, making it easier to cough up stubborn phlegm (this is called an 'expectorant' action). Simultaneously, it acts as a carminative, meaning it helps trap gas bubbles in your digestive tract and expel them, providing quick relief from stomach discomfort. It is also a potent fever reducer (antipyretic), traditionally used to bring down high temperatures during infections.

Natural Food Sources

Since Plectranthus amboinicus is a specific herb, it is the 'source' itself. It is rarely found in processed foods, but is excellent when consumed fresh.

Food SourceAmount (Fresh Leaf)Active Compound Highlight
Indian Borage (Fresh)1-2 LeavesHigh Carvacrol & Thymol
Cuban Oregano (Tea)1 Cup BrewedVolatile Oils
Spanish Thyme1 Tbsp ChoppedSimilar terpenes

Supplementation

When to supplement: If you cannot grow the plant or access the fresh leaves, supplements are available as:

  • Dried Leaf Powder: Capsules for general immune support.
  • Essential Oil: Highly concentrated; usually for topical use or aromatherapy (never ingest pure oil without professional guidance).

Dosage: There is no standard FDA dosage. However, traditional use suggests:

  • Tea: Steep 2-3 fresh leaves in hot water for 10 minutes. Drink up to 2 times daily.
  • Capsules: Follow the manufacturer's label (usually 300-500mg of dried extract).

Top Food Sources

Fresh Leaves
Chew or brew for tea
Dried Leaf Powder
Capsule form
Essential Oil
For aromatherapy or topical use only
Juice Extract
Diluted in water
Cuban Oregano Plant
Culinary herb

Frequently Asked Questions

Yes. The leaves are edible raw, but they have a very strong, pungent flavor. It is often recommended to chew a small leaf (like a cough drop) for sore throats, or brew them into tea to make the taste more palatable.
It should be used with caution in children. Due to its potency, it is best to consult a pediatrician before giving it to children under 12, especially in concentrated supplement forms.
That is the carvacrol and camphor content in the essential oils. This scent is exactly what makes it effective at clearing your sinuses and lungs.
Absolutely! It is a very hardy succulent that thrives in warm climates. It prefers well-draining soil and partial shade. It grows so fast that it is often considered a weed in tropical regions.

Safety & Side Effects

Safety & Side Effects

Who should avoid it? Pregnant women should avoid Plectranthus amboinicus. It possesses emmenagogue properties, meaning it can stimulate blood flow in the pelvic area and uterus, potentially increasing the risk of miscarriage. Breastfeeding women should also exercise caution as it may reduce milk supply in some individuals.

Potential Side Effects:

  • Drowsiness: It can have a mild sedative effect. Do not drive after consuming large amounts.
  • Gastric Upset: Excessive consumption can irritate the stomach lining due to its potency.
  • Drug Interactions: It may interact with blood pressure medications (due to potential hypotensive effects) and anticoagulants (blood thinners).

Scientific References

  • [1]Orwa, J.A., et al. (2009). 'Antibacterial activity of extracts of Plectranthus amboinicus.' *Journal of Ethnopharmacology*.
  • [2]Mohan, G.R., et al. (2013). 'Anti-inflammatory and analgesic activities of Plectranthus amboinicus.' *Asian Pacific Journal of Tropical Biomedicine*.
  • [3]Kumar, M., et al. (2011). 'Review on the phytochemical and pharmacological profile of Plectranthus amboinicus.' *Pharmacognosy Reviews*.