Hello there – I’m excited to share this post on St John’s wort usage and the many surprising St John’s wort benefits.
We’ll explore St John’s wort medicinal uses – easing anxiety, lifting low mood, calming the nerves, supporting recovery from fatigue, soothing pain, and promoting skin and immune health.
Who’s talking?
I’m Rosa Wilde, herbalist and foraging teacher at The School of Wild Medicine.
I’d love to answer any questions you may have about St John’s wort in the comments below.
If you’re ready to learn about some of the many things St John’s wort can do, let’s get started!
St John’s wort medicinal uses
St John’s wort (Hypericum perforatum) has a long tradition of use, with records dating back to Hippocrates in ancient Greece.
Known for its bright yellow flowers that stain red when crushed, and traditionally gathered around midsummer, St John’s wort has earned a place in folk medicine as both a physical and emotional healer.
Let’s explore St John’s wort usage – from easing anxiety and depression to supporting the immune system, relieving pain, and aiding recovery from fatigue and trauma.
St. John’s wort for cold sores
St. John’s wort (Hypericum perforatum) has long been used in herbal medicine to support the nervous system and calm inflamed tissue.
Because the herpes simplex virus remains dormant in nerve cells between outbreaks, herbs that support nerve health are sometimes used as part of a broader natural approach.
St. John’s wort infused oil is traditionally applied to irritated skin and may help soothe inflammation while supporting the healing of damaged tissue around the lips. While it is rarely used as a standalone treatment, it can be a helpful addition alongside other home remedies for cold sores that focus on soothing the skin, supporting immune function, and reducing common outbreak triggers.
St Johns wort usage for anxiety and depression
Among all St John’s wort medicinal uses, its support for the nervous system stands out.
Historically, it was used as a nervine tonic – a herb that calms, nourishes, and restores the nerves.
Before modern research confirmed its mood-balancing effects, herbalists had long used it to lift spirits and soothe restlessness linked with exhaustion or stress.
Studies have since shown that St John’s wort benefits people with mild to moderate depression by helping to balance neurotransmitters in the brain, improving mood and energy.
It’s especially helpful when depression appears alongside fatigue, anxiety, or irritability.
Because it gently restores rather than sedates, many herbalists describe St John’s wort usage as ideal for those experiencing burnout or emotional strain after illness, trauma, or prolonged stress.
St John’s wort benefits for nerve and muscle pain
When it comes to nerve-related discomfort, St John’s wort medicinal uses extend well beyond mood support.
It’s one of the best herbs for soothing pain that involves nerve damage or inflammation.
Herbalists reach for St John’s wort in cases of sciatica, neuralgia, shingles, Bell’s palsy, and even pain following surgery or dental work.
Its red-infused oil, made by steeping the flowers in carrier oil, is a classic topical remedy. Applied to the skin, it brings relief from nerve pain, muscle soreness, bruises, burns, and injuries. This oil also supports healing by stimulating tissue regeneration and reducing inflammation.
These St Johns wort benefits make this herb an essential ally for anyone dealing with physical tension, especially where the nervous system and muscular pain overlap.
St John’s wort medicinal uses for viral and immune support
Although best known for its effects on the nervous system, St Johns wort usage also extends to immune health.
St John’s wort’s antiviral properties make it a useful supportive herb during viral infections such as cold sores, shingles, or influenza.
Its compounds, including hypericin, have shown activity against several viruses in laboratory settings.
While high doses are typically required for measurable antiviral effects, St Johns wort benefits the immune system more broadly by reducing inflammation and supporting recovery after illness.
In traditional practice, it’s often included in formulas for convalescence – helping the body regain strength after infection or prolonged fatigue.
St Johns wort benefits for women’s health
For centuries, St Johns wort medicinal uses have included women’s health, particularly during the menopausal transition.
Herbalists value it for easing mood swings, anxiety, irritability, and low energy that often accompany hormonal changes.
Before hormones were understood, menopause was seen as a period of depletion – a time when the body needed nourishment and renewal.
St John’s wort remains one of the best herbs for this purpose, helping to lift the spirits while restoring vitality.
It can also be used for painful or irregular menstruation, where its antispasmodic action relaxes muscle tension and reduces cramps.
Many herbalists combine it with other nervines to address PMS symptoms rooted in nervous exhaustion.
St John’s wort usage for digestive and liver health
Few people realise that St Johns wort usage extends to digestive care as well.
Herbalist Matthew Wood notes that St John’s wort has a special affinity for the solar plexus – the body’s centre of digestion and personal power.
By stimulating bile flow, St John’s wort acts as a mild cholagogue, supporting the liver and gallbladder.
This action aids the digestion of fats and enhances nutrient absorption.
The astringent and antimicrobial properties of St John’s wort also help rebalance the gut during episodes of diarrhoea or dysentery.
Because the digestive system is closely tied to mood through the gut–brain axis, these St Johns wort benefits may also contribute indirectly to improved emotional wellbeing.
St John’s wort medicinal uses for wound healing and skin repair
One of the earliest St Johns wort medicinal uses was as a wound remedy.
The bright red oil of this herb has been used for centuries to heal cuts, burns, bruises, insect bites, and even haemorrhoids and varicose veins.
It works by stimulating new tissue growth (granulation) and improving circulation in damaged areas, while its antibacterial and anti-inflammatory properties prevent infection and ease pain.
Applied externally, St John’s wort is a classic vulnerary – a plant that speeds healing of wounds and reduces scarring.
Many herbalists also recommend it for mild burns and sunburn, as it soothes discomfort and promotes regeneration.
St John’s wort benefits for fatigue and recovery
As a tonic for recovery, St Johns wort usage shines in situations of chronic fatigue or convalescence after illness or injury. It gently lifts both the mood and the energy, helping body and mind return to balance.
Traditional European herbalism viewed it as a “restorative” – an herb that rebuilds depleted vitality.
When tension and exhaustion coexist, as they often do, St John’s wort benefits both the nervous and physical systems at once.
It can be combined with adaptogenic or Asian tonic herbs to support long-term recovery and resilience.
Uses of St John’s wort for respiratory and urinary support
St John’s wort medicinal uses include gentle support for the respiratory and urinary systems.
As an anti-inflammatory and expectorant, it can ease coughs and sore throats associated with viral infections.
Its diuretic action promotes healthy fluid balance and assists in the removal of waste, which can be useful in mild urinary irritation or water retention.
Traditionally, St John’s wort has also been used for bedwetting in children due to its tonic effect on the bladder and nervous system.
St John’s wort safety
This herb can speed up the metabolism of certain medications, including antidepressants, contraceptive pills, and anticoagulants, by stimulating liver detoxification pathways.
Always consult a herbalist or pharmacist before combining it with prescription medicines.
The herb can sometimes cause photosensitivity, especially in fair-skinned individuals taking high doses, so it’s best to limit sun exposure while taking it.
St John’s wort should not be used during pregnancy unless under professional guidance.
St John’s wort spiritual uses
This herb has long been celebrated for its deep connection to light, protection, and renewal.
Traditionally gathered at midsummer, this golden-flowered herb was seen as a symbol of the sun’s power, bringing warmth and courage into times of darkness.
Across Europe, it was burned, hung in doorways, or worn as a charm to ward off negativity and strengthen spiritual boundaries.
In modern practice, St John’s wort spiritual uses include emotional cleansing, protection from negative energy, and restoring inner strength after trauma.
The herb’s bright solar energy is believed to balance the body’s subtle energy field, reconnecting the mind and spirit to vitality and hope.
Used as an oil, tea, or flower essence, it helps to transform heaviness into light, making St John’s wort spiritual uses a powerful ally for emotional and energetic healing.
References
St John’s Wort: Not just for depression by Herbal Academy
Feeding your inner sun with St John’s wort by The School of Evolutionary Herbalism
St John’s wort by Herbal Reality
Thank you for reading!
I hope you found this post on St John’s wort usage and the many St John’s wort benefits helpful and inspiring.
Have you tried St John’s wort yourself, or are you curious about using it for mood, energy, or pain relief?
I’d love to hear your experiences or questions – share them in the comments below, and I’ll be happy to help ❤️
