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Jarrow Rhodiola Rosea is a dietary supplement that contains the highest quality Rhodiola rosea extract (Arctic root extract) in an amount of 500 mg per capsule. The extract is standardised to the content of a minimum 5% of rosavin.
Rhodiola rosea (Arctic root) – is a medicinal plant which is also known as "golden root" or "rose root". The first references to its properties appeared 1,200 years ago and were found in Tibet. It commonly grows in Northern Asia, mountainous regions of Europe and the subarctic areas of North America. It is widely used in traditional medicine in Russia and Scandinavia as a remedy for chronic fatigue and as an agent to improve psychophysical efficiency.
Rhodiola rosea belongs to medicinal plants of pharmacologically documented adaptogenic properties. The raw material from the plants, or rhizome with roots, is derived from its natural environment, mainly in the mountains of central Siberia.
Phytochemical composition and action
The specialized studies have shown that the main pharmacologically active substances, responsible for the beneficial properties of Rhodiola rosea are polyphenolic compounds, of which the most famous are: rosavin, rosin, rosarin, rhodiolin and salidroside with an aglycone tyrosol. These compounds show anti-stress and anti-depressive properties.
Apart from that, the raw material has a positive influence on the heart muscle, shows antioxidant properties at the cellular level as well as anti-cancer and immunostimulating properties, improves intellectual functions, supports the body system capacity and protects the liver from toxins.
Phenylpropanoids (rosavin, rosine and rosarin) – are esters of cinnamic acid and sugars, which are characteristic only for species of Rhodiola rosea. They especially affect the improvement of the psychophysical efficiency and the increase in the productivity as well as reduce the symptoms of depression as they increase serotonin level in the brain. Moreover, they show valuable adaptogenic, cardioprotective, antioxidant and antibacterial properties.
Phenylethanol derivatives (salidroside, viridoside, p-tyrosol, heterodontoside) – are another important group of phenolic compounds. These compounds show a multi-directional pharmacological action, this is they prevent fatigue, protect from radiation and harmful actions of chemicals, slow down aging process and show strong antioxidant properties.
Flavonoids (kaempferol, herbacitine, gossypetin, rhodiolin, rhodiosine) – are a widespread group of compounds. Most of them can be classified as strong antioxidants which scavenge free radicals more effectively than vitamins C and E.
Proanthocyanidins – not only scavenge free radicals but also inhibit the oxidation of cholesterol and are considered to be the most effective plant antioxidants. They show anticancer, anti-inflammatory, anti-allergic and antimutagenic properties as well as they improve the protective functions of the liver.
Properties and biological functions
Raw materials of Rhodiola rosea are used as stimulants and adaptogens. Adaptogenic properties consist in the increase of non-specific resistance to harmful environmental factors and stressors, such as pollution, noise, infections, stress. This raw material has a positive influence during mental and physical burden. The extracts from the rhizomes and roots of the plant show immunostimulating properties, similarly to the Panax ginseng preparations. Furthermore, the increase in the muscle strength has been observed in laboratory animals after application of Rhodiola rosea extract.
Adaptogenic and psychostimulating properties – the mechanism of action
An adaptogen is a plant that contributes to the increase in the resistance of the body system to stressful physical, chemical and biological factors, as it regulates the functions of various organs and systems in the body. Adaptogenic properties of Rhodiola rosea extract are probably related to their ability to influence the hypothalamic-pituitary-adrenal axis (HPA) and the adrenergic sympathetic system.
The Rhodiola rosea extract contributes to the improvement of non-specific resistance to stressors, mainly by increasing the levels of serotonin in the hypothalamus and midbrain. Moreover, it affects some elements of the system of cellular response to stress, for example by an increase in beta-endorphins in the blood plasma and inhibition of the release of opioid peptides and corticotrophin-releasing factor (CRF) which releases corticotrophin hormone in response to stressful situations, which protects the nervous system and the cardiovascular system from damage.
To sum it all up, Jarrow Rhodiola Rosea is a dietary supplement of multi-directional psychostimulating, anti-stress and antidepressant properties which supports the psychophysical efficiency. It is especially recommended for people who are chronically tired, stressed, suffer from bad mood, lack of vitality and desire to live. It can be also used as a remedy for the disorders of adrenal glands functions and high cortisol levels.
Rhodiola improves physical and mental efficiency, reduces fatigue in situations of prolonged stress. Rhodiola also has neuroprotective effect and according to preliminary studies, it has potential to prolong life. Supplementation is usually used in form of extract of SHR-5(or its equivalent), or an extract containing 3% Rosavins and 1% salidroside. The dose of 50 mg is enough to prevent fatigue. Taking Rhodiola ad hoc,in the case of stress, is effective in doses about 288-680 mg.
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|per 1 capsule||amount||%DV|
|Rhodiola Root Extract (5% Rosavins)||500 mg||-|
Magnesium stearate (vegetable source), cellulose and silicon dioxide. Capsule consists of gelatin.
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