Starflower oil might not be as well-known as evening primrose or fish oil, but it’s quickly gaining attention for all the right reasons. Also known as borage oil, this nutrient-rich oil is extracted from the seeds of the Borago officinalis plant and is especially valued for its high levels of gamma-linolenic acid (GLA) — a type of omega-6 fatty acid linked to hormone balance, skin health, and inflammation support.
What is Starflower Oil?
Starflower oil is extracted from the seeds of the starflower plant, which is native to the Mediterranean but now cultivated in many parts of Europe and North America. The plant itself is an annual herb with bright blue, star-shaped flowers, hence the name. While the leaves and flowers can be used culinarily or medicinally, it’s the seeds that are prized for their oil content.
The key active compound in starflower oil is GLA, a rare omega-6 fatty acid that the body converts into substances called prostaglandins. These hormone-like molecules help regulate inflammation, immune responses, and many other bodily processes. Starflower oil contains one of the highest known concentrations of GLA at up to 24%. This is a lot more than evening primrose oil, which typically contains around 8–10%.
What Are the Benefits of Starflower Oil?
Hormone Balance for Women
One of the most well-known uses of starflower oil is in managing symptoms related to hormonal imbalance, particularly in women. GLA has been shown to support the regulation of the menstrual cycle and reduce symptoms of premenstrual syndrome (PMS), such as breast tenderness, mood swings, and irritability. It may also help ease menopausal symptoms like hot flushes and night sweats, although more research is needed in this area.
Possible Support for Painful Joints
For those with inflammatory conditions, starflower oil may offer additional benefits. Studies suggest that GLA can help reduce inflammation in the joints, making it a popular supplement among people with rheumatoid arthritis. While it is not a cure or substitute for conventional treatments, it may offer a natural complement to prescribed therapies and help improve quality of life for some users.
Starflower Oil for Skin Health
Starflower oil is also valued for its effects on the skin. Its anti-inflammatory and moisturising properties make it a useful option for people with eczema, dermatitis, or dry skin conditions. Research shows that topical or oral use of starflower oil can improve skin barrier function, reduce water loss, and help calm irritation. Because GLA supports healthy cell membranes, it may also contribute to a more youthful, hydrated complexion over time.
Further Research is Needed!
Beyond these targeted benefits, starflower oil may support general health. There is evidence to suggest it can help regulate blood pressure, support cardiovascular health, and even assist with weight management and metabolic health, though these areas are still being researched. Some small studies have also indicated potential benefits for respiratory conditions like asthma, although more robust clinical trials are needed.
How Much Starflower Oil do I Need?
The most common form is softgel capsules, which contain a pre-measured dose of the oil and are convenient for hiding the strong, bitter natural taste of the oil. Liquid oil is also available, but make sure you are buying a food supplement if you want to take it like that, as it’s also sold for applying directly to the skin and this type should not be eaten!
The standard oral dosage of GLA from starflower oil is around 200mg per day, up to 300mg if necessary. This would come from about 1000mg of starflower oil. It’s important to follow the manufacturer’s instructions and consult with a healthcare professional, especially if you’re taking medications or have a chronic health condition.
Is Starflower Oil Safe?
For most people, starflower oil is considered safe when used appropriately. However, there are a few considerations to keep in mind. First, quality matters: always choose a reputable brand that tests for pyrrolizidine alkaloids (PAs), toxic compounds naturally found in borage plants. High-quality supplements will use PA-free seeds or remove these compounds during processing.
1 - In some people, especially with epilepsy or seizure disorders, GLA-containing oils may lower the seizure threshold. If you have a history of neurological conditions, you should consult your doctor before taking starflower oil.
2 - Because starflower oil has mild blood-thinning effects, it should be used with caution if you are taking anticoagulant medications or planning surgery.
3 - Pregnant or breastfeeding women should also speak to a doctor before starting supplementation, as the safety of high GLA doses in pregnancy has not been well studied.
Mild side effects such as bloating, nausea, or soft stools can occur, particularly when starting a new supplement. These usually resolve as your body adjusts, but if symptoms persist, it’s worth discussing alternatives with a GP.
How to Choose the Best Starflower Oil Supplement
Not all starflower oil products are created equal.
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Choose one that clearly states its GLA content per dose. VitaBright Starflower oil contains the recommended 200mg of GLA per dose.
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Cold-pressed oils tend to preserve more of the beneficial compounds. Our starflower oil is cold-pressed.
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Softgels that protect the oil from oxygen in the air can help extend the active compounds.
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Check whether the product is third-party tested for purity, potency, and safety: VitaBright starflower is third party tested.
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Some supplements combine starflower oil with other nutrients for added benefits. VitaBright starflower oil contains added Vitamin B6 to help support hormonal balance.
The Bottom Line
Starflower oil is a versatile supplement with a growing body of scientific support behind it. Its high GLA content makes it particularly valuable for managing hormonal imbalances, supporting skin health, and easing inflammation. When used appropriately and sourced from a trustworthy manufacturer like VitaBright, it offers a natural way to enhance wellbeing, particularly for women and people with chronic inflammatory conditions.
Whether you’re exploring it for PMS relief, eczema support, or just to give your skin a nourishing boost, starflower oil can be a helpful addition to a well-rounded health routine. As always, it’s wise to consult your GP before starting any new supplement, especially if you have underlying health conditions or are taking medication.
