Red Sandalwood

Red Sandalwood seed contains naphthoquinones like Santalin A and B that inhibit inflammatory cytokines TNF-α and IL-6 while providing 83.4% DPPH radical scavenging activity at 25 mg/mL. The flavonoids quercetin and kaempferol glycosides enhance antioxidant enzyme activity including SOD, CAT, and GPx to support cellular protection.

Origin

Red Sandalwood (*Pterocarpus santalinus*) is a precious tree native to South Asia, particularly India and Sri Lanka, thriving in dry deciduous forests. Revered in traditional medicine, its wood and extracts are valued for potent anti-inflammatory, detoxifying, and skin-rejuvenating properties.

Potential benefits

Supports liver detoxification by enhancing enzymatic activity and cellular regeneration.
Promotes skin vitality by reducing oxidative stress and stimulating collagen synthesis.
Enhances cardiovascular health by improving circulation and reducing arterial stiffness.
Regulates metabolism by stabilizing blood sugar and optimizing lipid profiles.
Provides neuroprotective benefits through inflammation reduction and cognitive support.
Fortifies immune function and aids wound healing through its bioactive compounds.
Supports digestive enhancement and reduces gastrointestinal inflammation.

How it works

Savinin inhibits TNF-α production in LPS-stimulated RAW264.7 cells at 25 µg/mL through modulation of inflammatory pathways. Phenolic compounds including caffeic and gallic acids provide antimicrobial effects while inhibiting α-glucosidase and α-amylase enzymes for metabolic regulation. The naphthoquinones Santalin A and B demonstrate concentration-dependent antioxidant activity by scavenging DPPH radicals and enhancing endogenous antioxidant enzymes.

What the research says

Current evidence is limited to preclinical in vitro and animal studies with no published human clinical trials. Animal studies demonstrate hepatoprotective effects against CCl4 toxicity and enhanced kidney antioxidant enzyme activity in rats. In vitro research shows moderate antidiabetic potential with isolated compounds inhibiting digestive enzymes, though less potent than acarbose reference (IC50 7.46-27.46 µg/mL). The anti-inflammatory effects of savinin and antioxidant activity of methanolic extracts require validation through human clinical trials.

Safety and interactions

Safety data from human studies is lacking, with evidence limited to preclinical research showing no reported toxicity at tested concentrations up to 200 µg/mL. Phenolic compounds may inhibit thyroid peroxidase, warranting caution in individuals with thyroid disorders or those taking thyroid medications. High tannin content could potentially cause gastrointestinal irritation with excessive consumption. Traditional use suggests avoiding during pregnancy and lactation, and potential interactions with antidiabetic medications due to α-glucosidase inhibition should be considered.

Suggested use

Powdered Form: Brew 1–2 grams in hot water for 10–15 minutes, up to twice daily.
Extract: Consume 500–1000 mg daily under professional guidance.
Topical: Apply as face masks or pastes for skin vitality.

Frequently asked questions

What are the main active compounds in Red Sandalwood seeds?

The primary bioactive compounds include naphthoquinones (Santalin A and B), flavonoids (quercetin and kaempferol glycosides), phenolic acids (caffeic and gallic acid), and lignans like savinin. These compounds provide antimicrobial, anti-inflammatory, and antioxidant effects through various molecular mechanisms.

How does Red Sandalwood support liver detoxification?

Red Sandalwood enhances liver detoxification by increasing antioxidant enzymes including SOD, CAT, GPx, GR, and GST in animal studies. The hepatoprotective effects were demonstrated against CCl4-induced liver toxicity, though human clinical validation is still needed.

Can Red Sandalwood help regulate blood sugar levels?

Preclinical studies show Red Sandalwood compounds can inhibit α-glucosidase and α-amylase enzymes involved in carbohydrate digestion, with moderate activity compared to acarbose. However, the antidiabetic potential requires validation through human clinical trials before therapeutic recommendations.

Is Red Sandalwood safe to use daily?

Safety data from human studies is currently unavailable, with evidence limited to animal research showing no toxicity at tested doses. Individuals with thyroid conditions should exercise caution due to potential thyroid peroxidase inhibition, and excessive consumption may cause GI irritation from tannins.

What's the difference between Red Sandalwood wood and seeds?

Most research focuses on Red Sandalwood heartwood rather than seeds, with the heartwood containing higher concentrations of naphthoquinones and phenolic compounds. Seed-specific research is limited, and the bioactive profile may differ significantly from the well-studied heartwood extracts.

What is the recommended dosage of Red Sandalwood seed extract, and when should I take it?

Typical dosages range from 500–1,500 mg daily of standardized Red Sandalwood seed extract, often divided into two doses with meals to optimize absorption. Taking it with food, particularly with a source of fat, enhances bioavailability of its active compounds. For best results, consistency over 8–12 weeks is recommended to allow liver and metabolic benefits to manifest.

Does Red Sandalwood interact with blood sugar medications or blood pressure medications?

Red Sandalwood may potentiate the effects of blood sugar-lowering medications due to its own glucose-regulating properties, potentially requiring dosage adjustment under medical supervision. Similarly, because it supports cardiovascular health and circulation, it may have additive effects with blood pressure medications. Always consult your healthcare provider before combining Red Sandalwood with prescription medications.

Is Red Sandalwood seed safe for pregnant women, nursing mothers, or young children?

Red Sandalwood seeds are not recommended for pregnant or nursing women due to insufficient safety data in these populations. For children, pediatric dosing has not been established, so supplementation should only occur under healthcare provider guidance. Individuals with liver disease or taking hepatic medications should also seek professional advice before use.

References

This article is educational and is not medical advice. Statements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Consult a healthcare professional before use.