Rhodiola Rosea growing wild

Rhodiola Rosea

David Tomen
Author:
David Tomen
14 minute read
Rhodiola Rosea is known for improving alertness, energy, memory and mood, is anti-anxiety and anti-depressant, reduces fatigue, and boosts cognition and concentration


Rhodiola Rosea L. (Golden Root, Roseroot, Arctic Root) is an adaptogenic herb and nootropic that has been used in traditional medicine in Russia and Scandinavian countries for hundreds of years.

In Russia, Rhodiola Rosea is widely used as a remedy for fatigue, poor concentration, and decreased memory. It’s also believed to make workers more productive.

Rhodiola Rosea
Rhodiola Rosea

The Journal of the American Botanical Council reported on 180 studies done on Rhodiola Rosea since 1960. The bulk of the research shows how this herb works in treating physical endurance, fatigue, depression, impotence, infections, fertility, cold and flu, tuberculosis, cancer, and anxiety.[i]

German researchers describe the benefits of Rhodiola Rosea for pain, headache, scurvy, hemorrhoids, as a stimulant, and as an anti-inflammatory.[ii]

This ancient remedy has remarkable stress-relieving and anti-anxiety properties. And stands shoulder to shoulder with some of the most potent drugs used to treat depression and anxiety.

Here we’re going to explore how Rhodiola Rosea benefits your brain.

Rhodiola Rosea helps:

  • Reduce Stress and Fatigue: Rhodiola Rosea helps reduce stress and fatigue, increase energy, alertness and stamina, while boosting mental performance under periods of chronic stress. Research shows Rhodiola Rosea can increase attention to detail-oriented tasks by improving concentration over a prolonged period. The ideal study nootropic.
  • Improve Mood. Rhodiola Rosea boosts mood by influencing serotonin and norepinephrine levels in your brain, and the feel-good opioids like beta-endorphins.
  • Neuronal Regeneration: Rhodiola Rosea helps in neurogenesis by repairing and growing new neurons. It also activates the synthesis and re-synthesis of ATP, your body and brain cell’s main energy source. Rhodiola Rosea helps reduce the inflammatory C-reactive protein. And salidroside, one of many components of this incredible herb, protects neurons from oxidative stress-induced cell death.

Overview

Rhodiola Rosea L. (Golden Root, Roseroot, Arctic Root) has been used for several thousand years in traditional medicine. It grows in primarily dry sandy ground at high altitudes in the arctic areas of Europe and Asia.

Rhodiola Rosea Growing On A Rock In Siberia
Rhodiola rosea (arctic root) growing on a rock in Siberia

The plant is 12 – 30 inches high and produces yellow blossoms. The Greek physician, Dioscorides, first recorded the medicinal applications of ‘rodia riza’ in 77 C.E. in De Materia Medica.[iii]

This ancient herbal adaptogen has remarkable anti-depressant and anti-anxiety qualities. And has been shown to be as good as many prescription pharmaceuticals in treating depression and anxiety.

In total, Rhodiola Rosea contains 140 compounds in the roots and rhizome. The critical components include rosavin, rosarian, and rosin, collectively known as rosavins.

Certain chemicals must be present for Rhodiola Rosea to work. And these include rosavin, rosarin, rosin, salidroside, and tyrosol. The first 3 of these compounds are found only in Rhodiola Rosea. It takes a synergistic combination of these chemicals for this herb to be effective.

To ensure the supplement you choose works and contains pure Rhodiola Rosea, it needs to be standardized to contain at least 3% rosavins and 1% salidroside. This is the ratio found in the natural root. (See more about selecting the right Rhodiola Rosea supplement in “Type of Rhodiola Rosea to buy” later in this article).

Studies on organs, tissues, cells and enzymes show that Rhodiola Rosea extracts exhibit adaptogenic effects that are neuroprotective, cardio protective, anti-fatigue, anti-depressive, anxiolytic, nootropic, and has life-extension qualities.[iv]

Rhodiola Rosea is known as an adaptogen. Which means it helps your body adapt to stress, both mental and physical.

Rhodiola Rosea boosts mood

How does Rhodiola Rosea work in the Brain?

Rhodiola Rosea boosts brain health and function in several ways. But two in particular stand out.

  1. Rhodiola Rosea enhances mood. Reports from the nootropics community, and data from clinical trials show that Rhodiola Rosea encourages a balanced mood.

One double-blind, placebo-controlled trial worked with male and female subjects aged 18 – 70 years. All were diagnosed with mild to moderate depression.

One group received two 340 mg tablets of Rhodiola Rosea extract (SHR-5) daily. A second group received double the dose of the first group per day. And the third group received a placebo daily.

The efficacy of SHR-5 extract for depression complaints was assessed on the first day. And again on day 42 of the trial. The research team reported that Groups A and B saw significant improvements in depression, insomnia, emotions and overall quality of life.

The team concluded that Rhodiola Rosea extract has potent anti-depressant qualities in those with mild to moderate depression. When administered in doses of either 340 or 680 mg per day over 6-weeks.[v]

  1. Rhodiola Rosea improves mental performance under stress. Mental fatigue can cause brain fog, and make it hard to focus. It can affect your performance at school, and on the job.

Rhodiola Rosea stimulates your nervous system to fight fatigue that stifles mental clarity. And studies show it even saves injured neurons. And encourages the growth and development of brain cells.

One animal study in China explored the effects of Rhodiola Rosea on the number of neurons in the hippocampus of rats with depression induced by chronic stress.

This study has a direct correlation on how Rhodiola Rosea works in the human brain. And its value as a nootropic. In this study, 50 rats were divided into 5 groups: normal control, untreated, negative control, positive control and Rhodiola Rosea-treated groups.

The research team found that the number of neurons in the hippocampus in the Rhodiola Rosea-treated group were increased and recovered to normal level.

The study concluded that Rhodiola Rosea promotes the proliferation and differentiation of neural stem cells in the hippocampus. And may play a role in saving injured neurons of the hippocampus.[vi]

How things go bad

Chronic stress and cortisol can damage your brain. Neuroscientists at the University of California, Berkeley, found that chronic stress triggers long-term changes in brain structure and function.[vii]

Rhodiola Rosea repairs neuronsChronic stress changes neural networks. Cortisol creates a domino effect that hard-wires pathways between the hippocampus and amygdala. (The amygdala (lizard brain) is the area responsible for your fight-or-flight response).

This hard-wiring caused by stress is not the way the brain was designed. But chronic, ongoing stress tricks the brain into rebuilding circuits and hunkering down for the long haul.

This re-wiring appears to be permanent. Unless you intervene with something like Rhodiola Rosea.

Chronic stress seems to ‘flip a switch’ in stem cells in the brain. And turns them into a type of cell that prevents connections to the prefrontal cortex. Preventing improved learning and memory.

And laying down the scaffolding linked to anxiety, depression and PTSD (Post Traumatic Stress Disorder).

Chronic stress reduces levels of serotonin and norepinephrine

Chronic stress reduces the number of neurons

Anxiety and depression increases

↓ Chronic stress induces brain fog and memory loss

Under conditions of chronic stress and excess cortisol you experience mental and physical fatigue.

Rhodiola Rosea benefits

Rhodiola Rosea undoes damage to your brain caused by chronic stress. It helps keep it healthy. And even improves your body and brain’s response to stress.

Rhodiola Rosea relieves stress by balancing your body’s stress-response system. And helps your body return to a relaxed state by influencing key brain chemicals like serotonin, norepinephrine and beta-endorphins (opioid neuropeptides).[viii]

Rhodiola Rosea can also help prevent and repair damage caused by C-reactive protein and free radicals.

Rhodiola Rosea even provides protection and regeneration of neurons during periods of stress. It helps in the synthesis and resynthesis of ATP. The main fuel source for the mitochondria in your cells.

Any kind of fatigue you experience – regardless of source – Rhodiola Rosea is like your “magic bullet”. Mood, energy, stamina and concentration can all increase with a dose of this herb.

Many neurohackers even report improved libido and sexual performance when using Rhodiola Rosea.

If you get an effective dose of real standardized Rhodiola Rosea extract, you should experience an effect.

Rhodiola Rosea is anti-anxiety

How does Rhodiola Rosea feel?

The time required to begin feeling the effects of Rhodiola Rosea depends on your genetics, mental and physical condition, environment, behavior and lifestyle.

Some neurohackers report feeling its effects in just a few days. While others require as much as 3 weeks. Clinical studies show that most people experience the full benefits of Rhodiola Rosea in 30 – 40 days.

If you don’t notice a change within 40 days, Rhodiola Rosea may not be effective for you.

Many report that Rhodiola Rosea provides a pronounced anti-anxiety effect. Depression lifts and overall quality of life improves.

Rhodiola Rosea should give you an energy lift. It could improve your mood, focus, level of concentration and alertness.

Rhodiola Rosea Clinical Research

Rhodiola Rosea has a reputation in the nootropic community for its energizing and anti-fatigue qualities.

One double-blind, placebo-controlled trial was carried out with 161 cadets aged from 19 – 21 years. The intent was to measure the effect of a single dose of Rhodiola Rosea extract (SHR-5) on capacity for mental work against a background of fatigue and stress.

An additional objective was to try two different doses of the extract. The other dose being 50% higher. So the cadets were given either 2 or 3 capsules of Rhodiola Rosea extract.

The study showed a “pronounced anti-fatigue effect” in the cadets.  With no significant differences between the two dosage groups. But there was a “possible trend in favor of the lower dose” in the cognitive tests.[ix]

Rhodiola Rosea as a nootropic

The aim of this study was to investigate the effect of repeated low-dose treatment of Rhodiola Rosea extract (SHR-5) on mental performance with fatigued physicians.

Rhodiola Rosea improves cognitionThe researchers recruited a group of 56 healthy, young physicians working night duty at the Armenian State Medical University. Tests involved overall level of mental fatigue, associative thinking, short-term memory, calculation, ability of concentration, and speed of audio-visual perception.

Tests were done before and after night duty during 3 periods of 2 weeks each. The young doctors received Rhodiola Rosea extract tablets or a placebo for the first 2 weeks. Followed by a 2 week ‘washout’ period. And finishing with another 2 weeks of Rhodiola Rosea extract tablets or a placebo.

The research team found a statistically significant improvement in cognitive tests during the first 2 weeks. No side effects were reported. And the young doctors had a reduction in general fatigue under stressful conditions.[x]

Rhodiola Rosea as an antidepressant

One study published in Phytomedicine was run as a “proof of concept” trial to evaluate the efficacy of using Rhodiola Rosea compared to the anti-depressant ‘sertraline’ for major depressive disorder.

Sertraline (Zoloft©) is a pharmaceutical SSRI used to treat depression, anxiety, panic attacks, and obsessive-compulsive disorder (OCD). And it comes with a host of side effects including fatigue, diarrhea, anorexia, convulsions, confusion, decreased libido, and ejaculation failure.

This trial recruited 57 people diagnosed with depression. They were given standardized Rhodiola Rosea extract, sertraline, or a placebo for 12 weeks. 3 different depression scoring tests were used during the trial.

The researchers concluded that Rhodiola Rosea produced less antidepressant effect than sertraline, but it also resulted in “significantly fewer adverse events and was better tolerated.”

The research team concluded that even though Rhodiola offered slightly less anti-depressant benefits, it possessed “a more favorable risk to benefit ratio for those with mild to moderate depression”.[xi]

Rhodiola Rosea Recommended Dosage

Recommended dose of Rhodiola Rosea is 150 – 200 mg per day.

Look for an extract that is standardized to contain rosavins and salidrosides in a 3:1 ratio. This mimics the ratio of these compounds that naturally occur in Rhodiola Rosea root.

No additional benefit seems to come from taking more than 1,000 mg per day.

Rhodiola Rosea Side Effects

Rhodiola Rosea is a natural adaptogen and herb that has been used successfully for thousands of years. It’s considered non-toxic and safe. And very few side effects have been reported.

Considerably higher than recommended doses could result in dry mouth, nausea, upset stomach, headache, insomnia and weight loss.

Since Rhodiola Rosea acts as a Monoamine Oxidase Inhibitor (MAOI), you should not use it if you’re taking MAOI meds. MAOI’s are a type of anti-depressant drug used to treat bipolar disorder, panic disorder, social anxiety disorder and PTSD.

MAOI meds influence serotonin levels in the brain. So taking MAOI’s in combination with Rhodiola Rosea has the potential to cause serotonin syndrome.

Type of Rhodiola Rosea to buy

Rhodiola Rosea is available as a powder, capsules, tablets and tea.

Active ingredients of Rhodiola Rosea include rosavins and salidrosides. Make sure you look for the percentage of active ingredients listed on the bottle or package.

Ideally you’re looking for a 3:1 ratio of rosavins and salidrosides. This mimics the ratio of these compounds naturally occurring in the Rhodiola Rosea root.

Rhodiola Rosea can sometimes be found in some of higher quality pre-formulated nootropic stacks. For example, Mind Lab Pro® contains 11 brain enhancing nootropic compounds including Rhodiola Rosea (standardized to 3% rosavins, and 1% salidrosides).

I recommend Mind Lab Pro because it addresses all aspects of anxiety resistance, memory and cognitive enhancement, stabilizes mood, brain repair, and maintenance.

This premium nootropic stack is designed to affect neurotransmitters, cognitive energy, brain waves, neuroprotection, and regeneration. See my Mind Lab Pro review for a detailed report.

Now this is where it gets tricky if you choose to buy individual Rhodiola supplements. And probably the reason why some forum threads and user reviews report no effect from using Rhodiola Rosea.

Rhodiola Rosea growing wild
Rhodiola Rosea growing wild

In the late 1980’s, demand for Rhodiola Rosea-based phytomedicines dramatically increased. The wild-grown, raw material was over-harvested, resulting in a steady decline in the quality and effectiveness of Rhodiola Rosea.

Studies revealed that other species of genus Rhodiola were being substituted for Rhodiola Rosea. While some of these mixed batches were highly variable in quality, others had no pharmacological or nootropic effect.[xii]

The American Botanical Council has more on Rhodiola Rosea and problems with adulterants in this extensive report.

So do your best to find out where the supplement maker gets their raw Rhodiola Rosea. Hostile environments like Siberia seem to produce higher quality Rhodiola Rosea.

The active ingredients for most nootropic benefit include; Rosavin, Rosaridin, Rosarin, Rosin, Salidroside, and Tyrosol. The first 3 are collectively referred to as “rosavins”. And the other big one is “salidroside” which has several iterations.

Avoid supplements that list “other ingredients” on the label. And look for Certified Organic to ensure the root used to make your Rhodiola Rosea supplement is free of heavy metals, pesticides and herbicides.

Nootropics Expert Recommendation

Rhodiola Rosea Extract 150 – 200 mg per day

Nootropics Expert Tested and ApprovedI recommend using Rhodiola Rosea as a nootropic supplement.

Your body does not make Rhodiola Rosea on its own. So to get its benefits you must take it as a supplement.

Rhodiola Rosea is especially helpful for those suffering from anxiety and stress. Studies show it helps stop and reverse the devastating effects of stress in your brain, and body. This nootropic helps repair the damage to neurons caused by chronic stress.

Rhodiola Rosea is a powerful adaptogen. Which means it helps increase the effect of certain hormones when activity is low. And will block excess stimulation when activity is too high.

Rhodiola Rosea as an adaptogen helps balance norepinephrine in the body caused by chronic stress. It also boosts serotonin and the feel-good opioid chemical beta-endorphins.

Using Rhodiola Rosea can help eliminate brain fog, increase concentration during brutal periods like exams or business presentations, boost energy by increasing the ATP synthesis in your mitochondria, and protect your brain cells from free radical damage.

Rhodiola Rosea helps alleviate mental and physical fatigue, improves stress response, and provides better quality of sleep. It can even help out your sex life.

Rhodiola Rosea is especially helpful for those suffering from anxiety and panic disorders. Studies have shown the calming effect of this herb was equal to some popular antidepressant and anti-anxiety drugs. Without the side effects.

You can safely take up to 600 mg of Rhodiola Rosea extract daily if needed. Most get all the benefit they need with 150 – 200 mg. Half of the dose in the morning, and another early afternoon.

And make sure your getting genuine Rhodiola Rosea extract with a 3:1 ratio of rosavins and salidrosides. Read the user reviews and labels.

You can buy individual Rhodiola Rosea supplements. Or you could try my favorite pre-formulated nootropic stack Mind Lab Pro® which includes Rhodiola Rosea (standardized to 3% rosavins, and 1% salidrosides).

Mind Lab Pro contains a synergistic blend of 11 brain enhancing nootropics covering all aspects of cognition and brain health. See my full Mind Lab Pro review for more.

 

As an Amazon Associate I earn from qualifying purchases. This post may also contain other affiliate links and I will be compensated if you make a purchase after clicking on my links.

[i] Brown R.P., Gerbarg P.L., Ramazanov Z. “Rhodiola rosea: A Phytomedicinal Overview” The Journal of the American Botanical Council Issue: 56 Page: 40-52 herbalgram.org (source)

[ii] Panossian A., Wikman, Wagner H. “Plant adaptogens III.* Earlier and more recent aspects and concepts on their mode of action”Phytomedicine, Vol. 6(4), pp. 287–300 (source)

[iii] Brown R.P., Gerbarg P.L., Ramazanov Z. “Rhodiola rosea: A Phytomedicinal Overview” The Journal of the American Botanical Council Issue: 56 Page: 40-52 herbalgram.org (source)

[iv] Panossian A., Wikman G., Sarris J. “Rosenroot (Rhodiola rosea): traditional use, chemical composition, pharmacology and clinical efficacy.” Phytomedicine. 2010 Jun;17(7):481-93. (source)

[v] Darbinyan V., Aslanyan G., Amroyan E., Gabrielyan E., Malmström C., Panossian A. “Clinical trial of Rhodiola rosea L. extract SHR-5 in the treatment of mild to moderate depression.” Nordic Journal of Psychiatry. 2007;61(5):343-8. (source)

[vi] Qin Y.J., Zeng Y.S., Zhou C.C., Li Y., Zhong Z.Q. “[Effects of Rhodiola rosea on level of 5-hydroxytryptamine, cell proliferation and differentiation, and number of neuron in cerebral hippocampus of rats with depression induced by chronic mild stress].” in Chinese Zhongguo Zhong Yao Za Zhi. 2008 Dec;33(23):2842-6. (source)

[vii] “New evidence that chronic stress predisposes brain to mental illness” University of California, Berkeley Feb. 11, 2014, Retrieved Mar. 24, 2016 (source)

[viii] Lishmanov Iu.B., Trifonova Zh.V., Tsibin A.N., Maslova L.V., Dement’eva L.A. “[Plasma beta-endorphin and stress hormones in stress and adaptation].” – in Russian Biull Eksp Biol Med. 1987 Apr;103(4):422-4. (source)

[ix] Shevtsov V.A., Zholus B.I., Shervarly V.I., Vol’skij V.B., Korovin Y.P., Khristich M.P., Roslyakova N.A., Wikman G. “A randomized trial of two different doses of a SHR-5 Rhodiola rosea extract versus placebo and control of capacity for mental work.” Phytomedicine. 2003 Mar;10(2-3):95-105. (source)

[x] Darbinyan V., Kteyan A., Panossian A., Gabrielian E., Wikman G., Wagner H. “Rhodiola rosea in stress induced fatigue–a double blind cross-over study of a standardized extract SHR-5 with a repeated low-dose regimen on the mental performance of healthy physicians during night duty.” Phytomedicine. 2000 Oct;7(5):365-71. (source)

[xi] Mao J.J., Xie S.X., Zee J., Soeller I., Li QS., Rockwell K., Amsterdam J.D. “Rhodiola rosea versus sertraline for major depressive disorder: A randomized placebo-controlled trial.” Phytomedicine. 2015 Mar 15;22(3):394-9. (source)

[xii] Booker A., Jalil B., Frommenwiler D., Reich E., Zhai L., Kulic Z., Heinrich M. “The authenticity and quality of Rhodiola rosea products.”Phytomedicine. 2016 Jun 15;23(7):754-62 (source)

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Join The Discussion - 329 comments

Malik
September 7, 2021

Hello david! I am taking aniracetam for anxiety & lithium orotate for depression. Is it safe to add rohdiola rosea in my stack? Thanks

    David Tomen
    September 7, 2021

    Malik, I want you to read my reviews for Aniracetam, Lithium Orotate, and Rhodiola Rosea. Open them in separate tabs preferably on a PC or tablet so you can easily see them side-by-side. The compare how each of them works in your brain. Then report back if you see any contraindications that would prevent you from using all three.

    I want you to do this because rather than believing anything I say, it will be more helpful if you understand how and why each of these supplements is benefiting you.

Sally
August 31, 2021

Hello David do you think this form of Rhodiola Rosea is good enough? (I can’t get the Double Wood one and it has the same Salidrosides percentages as that one)

Bulk Supplements – Rhodiola Rosea Extract

    David Tomen
    September 1, 2021

    Sally, a 3:1 ratio of rosavins and salidrosides is what is naturally found in Rhodiola Rosea root. This extract appears to only contain salidrosides but no rosavins. So you’ll need to try it to see if it works for you.

    Double Wood Supplements uses a 1:3 ratio of rosavins and salidrosides.

Gayle
August 30, 2021

Hi what would be the best products for Parkinson

    David Tomen
    August 31, 2021

    Gayle, Mucuna Pruriens (standardized to 95% L-DOPA) is best for Parkinson’s taken with a highly bioactive B-Complex.

Chris Drennen
August 28, 2021

I bought a bottle of Rhodiola 500mg from Double Wood before I noticed your dosage recommendation, which is considerably less. Is this a problem?

    David Tomen
    August 29, 2021

    Chris, the Double Wood Rhodiola Rosea ratio of salidrosides to rosavins are opposite of what is naturally found in the Rhodiola root and won’t provide the same benefits as described in the article above. It’s likely why the dosage is different to my recommendation. But you can safely use up to 600 mg per day without a problem.

Walter
August 25, 2021

Hello David! I am a student and trying to figure out which one is best for me: Standardized Rhodiola Rosea extract or Coenzyme Q10 (UBIQUINON) + Alpha Lipoic Acid (not the R-Alpha one).
The main goal is reducing mental fatigue and better short-long term memory.

Martha
August 20, 2021

Hi David I have some questions, I would greatly appreciate your help

– I take Glycine to sleep (3 grams), but I have the problem that it makes me wake up hot in the middle of the night, What could it be? (it’s the only negative effect I have)

– Is the bioavailability of DHA when ingested as nootropic as effective as when eating fish?

– Is this DHA supplement a good choice? NOW Supplements – DHA

Finally my mother suffers from depression and panic attacks, she consumes “Risperidone” and “Sertraline” daily (on the recommendation of a bad doctor), I was thinking of giving her one of the nootropics that you include in your list of “Best Nootropics for Depression” (Bacopa Monnieri, NALT, Rhodiola Rosea, SAM-e, Tryptophan). I wanted to know please if some of those nootropics could help her while she’s taking those drugs and which of them would be the least counterproductive for her?

    David Tomen
    August 23, 2021

    Martha, Glycine affects NMDA receptors which increases blood flow which then results in a drop of core body temperature. But Glycine also has a half-life of 26 – 245 minutes depending on how much you take. In other words, the half-life of Glycine is dose dependent. I think what is happening to you is as Glycine leaves your system your core body temperature rises and you wake up hot in the middle of the night.

    The bioavailability of DHA is the same no matter how you get it. The NOW Supplements DHA looks like a quality product because it’s pure and contains zero toxic “other ingredients”. And NOW Foods also has a very robust testing program so what it says on the bottle label is what you are getting in each gelcap.

    Before you start prescribing nootropics for your Mother I suggest you learn all you can about how Risperidone (https://en.wikipedia.org/wiki/Risperidone#Pharmacology) and Sertraline (https://en.wikipedia.org/wiki/Sertraline#Pharmacology) works in the brain. Because you do not want to have her taking anything that is contraindicated.

    Which means you have some homework ahead of you. Learn what agonists and antagonists mean. Wikipedia is good for that because like Nootropics Expert they have links to pages that explain the meaning of these terms. For example, if Risperidone is a serotonin, dopamine and norepinephrine antagonist it means the drug binds to these receptors. And any nootropic that tries to attach to those receptors cannot attach because they are blocked from doing so by Risperidone.

    Another resource is a Drug Interaction Checker like this one: https://www.drugs.com/drug_interactions.html. Enter the name of the drug and you’ll get a long list of meds and supplements that are contraindicated with that drug.

    The quickest way to find a nootropic that may help her is to find out if she gets any benefit from either of these drugs. If so, then reverse engineer how the drug works and see if you can find a supplement that works in a similar way.

Christopher Drennen
August 12, 2021

They say you should not take Sudofed with MAOI drugs. Does that mean that I should not take sudofed with Rhodiola?

    David Tomen
    August 13, 2021

    Christopher, they are referring to prescription MAOIs that are usually prescribed as an antidepressant. This generally does not apply to herbs that act as an MAOI unless you are especially sensitive to these supplements.

Valerie
August 6, 2021

I have fatigue and cutting back on caffeine. Is it ok to L-Tyrosine (1000 mg) in the morning and Rhodiola (500 mgs) in the afternoon?

    David Tomen
    August 7, 2021

    Valeria, you should be using L-Tyrosine at least twice per day if you are going to use it because what you take in the morning is gone by noon.

    Rhodiola Rosea works like an MAOI so will likely potentiate that way L-Tyrosine works in your brain. You can take them at the same time.

      Valerie
      August 9, 2021

      Is 2000 mgs too much to take in a day? Or should I take 500 mgs twice a day?

        David Tomen
        August 9, 2021

        Valeria, the recommended dose of Rhodiola Rosea extract is 150 – 200 mg per day. But no more than 1,000 mg per day.

        Valerie
        August 9, 2021

        I apologize, I meant 2000 mg for the tyrosine.

        David Tomen
        August 10, 2021

        Valerie, 2,000 mg of L-Tyrosine is a lot. Most don’t need that much. 1,500 mg is standard split into 3 doses of 500 mg each.

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