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Updated: 1 20, 2025

Vaccinium myrtillus

What is Vaccinium myrtillus?

Vaccinium myrtillus is a perennial shrub that belongs to the family Ericaceae.

It is a small, evergreen plant that grows up to 10-15 cm in height and 20-30 cm in width, with oval-shaped leaves that are 1-3 cm long and have a wavy or cleft margin. The plant has a woody base and produces small, white flowers in the spring that are followed by blue-black berries, each containing 1-5 seeds. Vaccinium myrtillus is a native species found in acidic soils in heathlands, moors, and woodlands in the Northern Hemisphere, and is a common food source for various animals.

The plant's leaves and fruits are also edible for humans, with the berries being rich in anthocyanins and other antioxidants.

What ailments can you heal with this herb?

The most common ailments you can heal with Vaccinium myrtillus are inflammation and gastrointestinal issues, which it reduces by inhibiting COX-2 and lipoxygenase enzymes.

Vaccinium myrtillus is also effective in diabetes management due to its ability to decrease blood glucose levels and enhance insulin sensitivity. Its antioxidant properties contribute to cancer prevention by reducing oxidative stress and DNA damage. Additionally, Vaccinium myrtillus has been shown to prevent cardiovascular disease by lowering triglycerides and LDL cholesterol levels, and supporting the immune system by increasing interferon production.

It also exhibits antiviral, antibacterial, antimicrobial, antifungal, and antihypertensive properties, as well as neuroprotection, wound healing, and digestive issue relief, making it a valuable remedy for urinary tract infections, arthritis, and respiratory issues.

What are the therapeutic properties this herb?

The main therapeutic properties of Vaccinium myrtillus are its antioxidant capacity, which is attributed to the presence of flavonoids and phenolic acids, thereby scavenging free radicals and protecting cells from oxidative damage.

Vaccinium myrtillus also exhibits anti-inflammatory properties, reducing inflammation by inhibiting the production of pro-inflammatory cytokines, which is partly due to the presence of anthocyanins and saponins. The antimicrobial activity of this plant is responsible for its ability to inhibit the growth of various microorganisms, including bacteria and fungi, which is primarily attributed to the presence of volatile oils and phenolic compounds. Additionally, Vaccinium myrtillus possesses cardioprotective properties, exerting its effects through the activation of nitric oxide synthase and the inhibition of angiotensin-converting enzyme, thereby improving cardiovascular health.

Furthermore, Vaccinium myrtillus has neuroprotective properties, attributed to the presence of anthocyanins and flavonoids, which may help to prevent or slow the progression of neurodegenerative diseases by reducing oxidative stress and inflammation in the brain.

What are the medicinal constituents this herb?

The most important healing constituents of Vaccinium myrtillus are anthocyanins, which have potent antioxidant and anti-inflammatory properties, quercetin, a flavonoid with strong anti-inflammatory and antioxidant activities, ellagic acid, a phenolic compound with anti-inflammatory and anticancer properties, kaempferol, a flavonol that exhibits antioxidant and anti-inflammatory effects, and catechins, a type of flavanol that has been shown to have anti-inflammatory and antioxidant activities, all of which contribute to the plant's ability to protect against oxidative stress and inflammation, and have been demonstrated to inhibit the growth of cancer cells and reduce the risk of cardiovascular disease.

These compounds have been isolated from Vaccinium myrtillus and their biological activities have been extensively studied in vitro and in vivo. Studies have shown that anthocyanins in Vaccinium myrtillus have a high ORAC value, indicating their strong antioxidant capacity. Quercetin has been shown to inhibit the production of pro-inflammatory cytokines and to have anti-angiogenic properties, while ellagic acid has been demonstrated to have anti-proliferative and pro-apoptotic effects on cancer cells.

The combined effects of these constituents contribute to the therapeutic potential of Vaccinium myrtillus in the prevention and treatment of various diseases.

What are the main herbal preparations this herb?

The main herbal preparations of Vaccinium myrtillus are blueberry jam, blueberry tea, blueberry tincture, blueberry powder, and vaccinium syrup.

Blueberry jam is made by cooking blueberries with sugar and is used to preserve the fruit's flavor and nutritional content, particularly high in anthocyanins and antioxidants. Blueberry tea is a herbal infusion made by steeping dried blueberry flowers and leaves in hot water, traditionally used to treat digestive issues and urinary tract infections due to its antiseptic properties. Blueberry tincture is a concentrated liquid extract made from the berries and used as a dietary supplement to support cardiovascular health and cognitive function, containing high amounts of flavonoids and phenolic acids.

Vaccinium syrup, on the other hand, is a sweet liquid extract made from the berries and used in traditional medicine to treat respiratory issues and inflammatory conditions, primarily due to its high content of anthocyanins and other bioactive compounds.

What are the possible side effects of using this herb improperly?

The possible side effects of using Vaccinium myrtillus improperly include inducing nausea, cause diarrhea, inducing abdominal pain, provoking allergic reactions, and experiencing nephrotoxicity.

This is due to the high concentration of anthocyanins and tannins in Vaccinium myrtillus, which can cause gastrointestinal disturbances such as nausea and diarrhea when ingested in excess. Additionally, the high polyphenol content can lead to nephrotoxicity, a condition that can cause damage to the kidneys. Allergic reactions to Vaccinium myrtillus can also occur, especially in individuals with a history of allergies or sensitivities.

Furthermore, the anthocyanins and tannins can cause abdominal pain and irritation, especially when ingested in large quantities.