Species of flowering plant in the stonecrop family
Rhodiola rosea (commonly golden root, rose root, roseroot, Aaron's rod, Arctic root, king's crown, lignum rhodium, orpin rose) is a perennial flowering plant in the family Crassulaceae. It grows naturally in wild Arctic regions of Europe (including Britain), Asia, and North America (New Brunswick, Newfoundland and Labrador, Nova Scotia, Quebec; Alaska, Maine, New York, North Carolina, Pennsylvania, Vermont), and can be propagated as a groundcover.
Although Rhodiola rosea has been used in traditional medicine, there is no high-quality clinical evidence of its effectiveness to treat any disease. The United States Food and Drug Administration has issued several warnings to manufacturers of R.rosea based dietary supplements for making false health claims about safety and efficacy.
The plant is threatened in many countries due to rapidly growing demand. Supply comes mostly from wild harvesting on an industrial scale, and a combination of growing scarcity and a lack of regulation has led to environmental degradation, substitution or adulteration in the market, and illegal harvesting in protected areas.
Safety at a Glance
High Risk- Toxicity: Rhodiola is well-tolerated at standard doses. Side effects are rare and mild, including dizziness, dry mouth, and res...
- Dangerous with: Atropa belladonna, Datura, Diphenhydramine, Harmala alkaloid (+3 more)
- Start with a low dose and wait for onset before redosing
- Test your substance with reagent kits when possible
If someone is in crisis, call 911 or Poison Control: 1-800-222-1222
Dosage
Oral
Duration
Oral
Total: 6 hrs – 10 hrsSubjective Effects
The effects listed below are based on the Subjective Effect Index (SEI), an open research literature based on anecdotal reports and personal analyses. They should be viewed with a healthy degree of skepticism. These effects will not necessarily occur in a predictable or reliable manner, although higher doses are more liable to induce the full spectrum of effects.
Physical Effects
Physical(3)
- Dizziness— A sensation of spinning, swaying, or lightheadedness that impairs balance and spatial orientation, o...
- Dry mouth— A persistent, uncomfortable reduction in saliva production causing the mouth and throat to feel parc...
- Stimulation— A state of heightened physical and mental energy characterized by increased wakefulness, elevated mo...
Pharmacology
Salidroside (the primary active compound, also found in other Rhodiola species) modulates the HPA axis by normalizing cortisol and ACTH responses to stress. It activates AMPK (AMP-activated protein kinase), improving cellular energy metabolism and mitochondrial function. Rosavins (rosavin, rosin, rosarin) are unique to R. rosea and contribute to the overall adaptogenic profile.
Rhodiola increases serotonin and dopamine levels by inhibiting MAO-A and COMT, and by enhancing transport of serotonin precursors (tryptophan and 5-HTP) across the blood-brain barrier. It also upregulates neuropeptide Y expression and heat shock proteins (Hsp70), enhancing stress tolerance at the cellular level.
Unlike stimulants, Rhodiola improves energy and alertness without causing jitteriness or a crash, as its mechanism involves improving cellular energy efficiency rather than increasing sympathetic nervous system activation.
Interactions
| Substance | Status | Note |
|---|---|---|
| Atropa belladonna | Dangerous | Extreme cardiovascular strain from anticholinergic and stimulant effects combined |
| Datura | Dangerous | Extreme cardiovascular strain from anticholinergic and stimulant effects combined |
| Diphenhydramine | Dangerous | Extreme cardiovascular strain from anticholinergic and stimulant effects combined |
| Harmala alkaloid | Dangerous | Risk of hypertensive crisis and serotonin syndrome; potentially fatal combination |
| MAOI | Dangerous | Risk of hypertensive crisis and serotonin syndrome; potentially fatal combination |
| Myristicin | Dangerous | Extreme cardiovascular strain from anticholinergic and stimulant effects combined |
| Peganum harmala | Dangerous | Risk of hypertensive crisis and serotonin syndrome; potentially fatal combination |
| 1,3-Butanediol | Caution | Increases anxiety, cardiovascular stress, and psychological intensity |
| 1,4-Butanediol | Caution | Masks the effects of each drug; risk of overdosing when one wears off before the other |
| 1B-LSD | Caution | Increases anxiety, cardiovascular stress, and psychological intensity |
| 1cP-AL-LAD | Caution | Increases anxiety, cardiovascular stress, and psychological intensity |
| 1cP-LSD | Caution | Increases anxiety, cardiovascular stress, and psychological intensity |
History
Rhodiola rosea has been used in traditional medicine across northern Europe and Asia for centuries. The Vikings used it to enhance physical strength and endurance. In Russia, it was used by Siberian villagers to survive the harsh Arctic winters and was called the golden root. Carl Linnaeus catalogued it in 1725, noting its use for headaches, hysteria, and hernias.
Scientific research began in earnest in the Soviet Union in the 1960s as part of the Soviet adaptation research program aimed at improving the performance of soldiers, athletes, and cosmonauts. This research was classified and only became widely available to Western scientists after the fall of the Soviet Union. Soviet researchers classified Rhodiola as an adaptogen, a term coined by Nikolai Lazarev in 1947 and refined by Israel Brekhman.
A key 2012 systematic review by Hung et al. in Phytomedicine analyzed 11 RCTs and concluded that Rhodiola demonstrated consistent benefits for physical and cognitive fatigue. The 2007 study by Darbinyan et al. showed significant antidepressant effects comparable to sertraline at mild-to-moderate depression severity.
Harm Reduction
Rhodiola rosea is generally well-tolerated as an adaptogenic herb. Animal studies suggest potential anti-estrogenic activity, so women and those with hormone-sensitive conditions should monitor for any hormonal changes. Common side effects include dizziness, dry mouth, and restlessness at higher doses. It may interact with antidepressants, diabetes medications, and blood pressure medications. Rhodiola can have mild stimulating effects and should be taken early in the day to avoid sleep disruption. Avoid combining with other stimulants. Start with a low dose and assess tolerance before increasing.
Toxicity & Safety
Rhodiola is well-tolerated at standard doses. Side effects are rare and mild, including dizziness, dry mouth, and restlessness at higher doses. Not recommended for those with bipolar disorder due to potential activation of manic episodes.
Addiction Potential
No addiction potential. No tolerance, dependence, or withdrawal reported.
Dangerous Interactions
The combinations listed below may be life-threatening. Independent research should always be conducted to ensure safety when combining substances.
Extreme cardiovascular strain from anticholinergic and stimulant effects combined
Extreme cardiovascular strain from anticholinergic and stimulant effects combined
Extreme cardiovascular strain from anticholinergic and stimulant effects combined
Risk of hypertensive crisis and serotonin syndrome; potentially fatal combination
Risk of hypertensive crisis and serotonin syndrome; potentially fatal combination
Extreme cardiovascular strain from anticholinergic and stimulant effects combined
Risk of hypertensive crisis and serotonin syndrome; potentially fatal combination
Tolerance
| Full | Not applicable — nutritional supplement |
| Half | N/A |
| Zero | N/A |
Cross-tolerances
Legal Status
This substance is not a controlled or scheduled substance in any major jurisdiction. It is widely available as a dietary supplement, food additive, or over-the-counter product in the United States, United Kingdom, European Union, Canada, and Australia. In the US, it falls under the Dietary Supplement Health and Education Act (DSHEA) of 1994 and is regulated by the FDA as a dietary supplement rather than a drug. Manufacturers are responsible for ensuring safety and accurate labeling, but pre-market approval is not required.
In the European Union, it is regulated under the Food Supplements Directive (2002/46/EC) and may be subject to maximum permitted levels set by individual member states. In the United Kingdom, it falls under the Food Supplements (England) Regulations 2003 and similar devolved legislation. In Australia, it is typically listed on the Australian Register of Therapeutic Goods (ARTG) as a complementary medicine or is available as a food product. In Canada, it may be classified as a Natural Health Product (NHP) requiring a product license from Health Canada.
No prescription is required in any of these jurisdictions, and there are no criminal penalties associated with possession, purchase, or use.
Tips (8)
Eat a substantial meal before taking Rhodiola Rosea. Stimulants suppress appetite heavily, and going many hours without food leads to worse crashes, irritability, and cognitive impairment. Set phone reminders to eat and drink.
Rhodiola rosea may have anti-estrogenic properties based on animal studies. Women and anyone with hormone-sensitive conditions should monitor for menstrual irregularities or other hormonal changes. While the estrogenic risk from oral use is considered low, individual responses vary.
Monitor your heart rate and blood pressure when using Rhodiola Rosea. Sustained elevated cardiovascular stress causes cumulative damage. If you experience chest pain, irregular heartbeat, or numbness in extremities, seek medical attention.
More is not better with Rhodiola Rosea. Many nootropics follow an inverted U-shaped dose-response curve where exceeding the optimal dose actually impairs cognition rather than enhancing it.
Look for Rhodiola rosea extracts standardized to 3% rosavins and 1% salidroside, which mirrors the natural ratio in the root. Standard dosing is 200-600mg of a standardized extract. Take it in the morning as it can interfere with sleep if taken later in the day.
If you are concerned about Rhodiola's potential hormonal effects, ashwagandha (KSM-66) or holy basil (tulsi) are adaptogenic alternatives that work through different mechanisms. Neither has the same anti-estrogenic concerns, though ashwagandha may affect thyroid function.
Community Discussions (1)
See Also
References (2)
- Rhodiola Rosea - TripSit Factsheet
TripSit factsheet for Rhodiola Rosea
tripsit - Rhodiola Rosea - Wikipedia
Wikipedia article on Rhodiola Rosea
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