Question 1

How does borage oil work to reduce inflammation in the body?

Accepted Answer

Borage seed oil works through its exceptionally high gamma-linolenic acid (GLA) content—the highest known source in any plant. GLA is an omega-6 fatty acid that the body converts into anti-inflammatory prostaglandins, specifically prostaglandin E1. These compounds help regulate inflammatory responses and support cell membrane function. GLA also modulates immune system pathways involved in chronic inflammation. Evidence for these mechanisms is rated Level C, based largely on laboratory and preliminary clinical research rather than large-scale trials.

Question 2

Can I take borage oil with blood thinners like warfarin or aspirin?

Accepted Answer

Borage seed oil may interact with anticoagulant and antiplatelet medications, including warfarin, heparin, clopidogrel, and aspirin. GLA has mild blood-thinning properties that can increase bleeding risk when combined with these drugs. Patients taking prescription blood thinners should consult their healthcare provider before using borage supplements. Medical supervision and regular INR monitoring may be necessary if use is approved. This interaction is clinically significant and requires careful management.

Question 3

What is the recommended daily dosage of borage seed oil for adults?

Accepted Answer

The standard adult dosage for borage seed oil is 1000-2000mg daily, taken in divided doses with meals to enhance absorption. This amount provides therapeutic levels of GLA for anti-inflammatory and adrenal support purposes. Fresh borage leaves and flowers may be consumed freely as a culinary herb in salads, soups, and beverages. For medicinal purposes, the standardized seed oil is preferred over whole herb preparations due to its concentrated GLA content and lower pyrrolizidine alkaloid levels.

Question 4

Is borage safe to take during pregnancy and breastfeeding?

Accepted Answer

Borage herb is considered unsafe during pregnancy due to trace pyrrolizidine alkaloids (PAs), which can cause liver toxicity and potential fetal harm. Despite its traditional reputation as a galactagogue for increasing breast milk, nursing mothers should exercise caution. Borage seed oil contains minimal PAs and may be safer than whole herb preparations, but medical supervision is essential. Pregnant women should avoid borage entirely, and breastfeeding women should consult a qualified healthcare provider before use.

Question 5

What is borage herb used for in herbal medicine?

Accepted Answer

Borage has a long history in Mediterranean folk medicine for adrenal gland support, reducing inflammation, and promoting lactation as a galactagogue. The seed oil is prized as the richest natural source of GLA, making it valuable for inflammatory skin conditions, hormonal balance, and cardiovascular support. Traditional uses also include stress relief and adrenal exhaustion. Current evidence supporting these applications is rated Level C, indicating limited clinical trial data. More rigorous research is needed to confirm traditional uses.

Question 6

Can borage cause liver damage or toxicity?

Accepted Answer

Yes, borage leaves and whole herb preparations contain trace amounts of pyrrolizidine alkaloids (PAs), compounds associated with liver toxicity when consumed in excess over extended periods. Individuals with pre-existing liver disease should avoid borage herb products entirely. Borage seed oil typically contains minimal PAs and is considered safer for therapeutic use. Symptoms of PA toxicity may include abdominal discomfort, jaundice, and elevated liver enzymes. Moderate culinary use of fresh leaves is generally safe for healthy individuals, but concentrated extracts warrant caution.

Borage Herb

Sources & Citations

Co Voi

Trumpet Vine

Trichilia Havanensis

Summary

Background

Traditional uses

Active compounds

Mechanism of action

Clinical evidence

Safety & adverse effects

Pregnancy & lactation

Evidence summary

PubMed sources

Government sources