Adrenal Support Liquid Phyto-Caps [Discontinued] by Gaia Herbs Professional Solutions

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Altitude sickness. It is unclear if oral rhodiola is beneficial for altitude sickness. Details: Preliminary clinical research shows that taking rhodiola 447 mg four times daily for 7 days does not improve blood oxygenation or markers of oxidative stress when compared with placebo in subjects exposed to simulated high-altitude conditions (25402).
• Anthracycline cardiotoxicity. It is unclear if oral rhodiola is beneficial for epirubicin-induced cardiotoxicity. Details: Preliminary clinical research in breast cancer patients shows that taking salidroside, a constituent of rhodiola, 600 mg daily, beginning one week prior to chemotherapy and continuing throughout chemotherapy administration, reduces epirubicin-induced early left ventricular regional systolic dysfunction when compared with placebo (90434).
• Anxiety. It is unclear if oral rhodiola is beneficial for anxiety. Details: Preliminary clinical research in college students with anxiety shows that taking a specific dried rhodiola extract (Vitango, Schwabe Pharma) 200 mg twice daily for 14 days modestly reduces reported levels of anxiety, anger, confusion, negative mood, and stress when compared with a control group. However, rhodiola extract does not seem to improve cognition (96462).
• Arrhythmia. Although there has been interest in using oral rhodiola for arrhythmia, there is insufficient reliable information about the clinical effects of rhodiola for this condition.
• Athletic performance. The evidence related to the use of rhodiola for athletic performance is mixed, although specific standardized extracts might be beneficial for certain performance endpoints. Details: The available evidence for rhodiola in athletic performance includes small clinical trials in recreationally active or trained athletes. Trials using rhodiola extracts standardized to 3% rosavins and 1% salidroside (eg. Finzelberg, GmbH) show that taking 3 mg/kg, 200 mg, or 500 mg prior to exercise testing, either as a single dose or with a 3-day lead-in dose, modestly improves performance endpoints on a cycle ergometer. Improved endpoints included time to exhaustion, peak oxygen use, time to completion, perceived exhaustion, anaerobic capacity, and power (13109,90432,100168). However, in trials in which rhodiola was not taken the morning of testing, or when performance endpoints included forearm endurance or marathon time and recovery, rhodiola 170 mg to 1500 mg daily did not affect perceived exertion, time to exhaustion, or peak oxygen use (15574,19284,90433). A small crossover trial shows that taking 500 mg of rhodiola extract, standardized to 3% rosavins and 1% salidroside, three times daily for 3 days followed by 500 mg 30-minutes before exercise testing increases bench press velocity but decreases bench press repetition volume when compared with placebo (110543). Furthermore, limited evidence suggests that rhodiola extract does not affect muscle strength, speed of limb movement, reaction times, or attention span (13109) but might reduce plasma creatine kinase levels (19284). Also, while some evidence suggests that rhodiola extract can reduce blood lactate levels (19284), other research shows that it increases blood lactate levels after resistance training to a greater degree than placebo (110543). In general, it appears that acute doses of rhodiola may improve specific physical performance parameters, but neither acute nor chronic doses appear to notably improve muscle function. Some research has also assessed rhodiola when used in combination with other ingredients. A small clinical study in trained male cyclists shows that taking a specific combination product (Optygen, First Endurance) containing rhodiola 600 mg (standardized to 3% rosavin and 2.5% salidroside) plus cordyceps 2000 mg (standardized to 7% cordycepic acid), daily for 6 days followed by a half-dose daily for 7 days does not improve time to exhaustion or muscle tissue oxygen saturation when compared with placebo (15573). Additionally, a small crossover study in healthy, recreationally active adult males shows that taking a 30:70 blend of rhodiola and maral root extracts at a dose of 350 mg or 175 mg, ninety minutes prior to isokinetic leg strength exercises, does not influence fatigability, performance variables, or affective responses when compared with placebo (105855).
• Bladder cancer. Although there has been interest in using oral rhodiola for bladder cancer, there is insufficient reliable information about the clinical effects of rhodiola for this condition.
• Chronic fatigue syndrome (CFS). Although there has been interest in using oral rhodiola for CFS, there is insufficient reliable information about the clinical effects of rhodiola for this condition.
• Coronavirus disease 2019 (COVID-19). Oral rhodiola extract has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: A small clinical study in adults a with confirmed history of COVID-19 infection and at least 3 of 9 long COVID-19 symptoms for at least 30 days, but no longer than 3 months, after discharge shows that taking a specific combination product (ADAPT-232/Chisan, Swedish Herbal Institute), containing rhodiola extract 90 mg, schisandra extract 300 mg, and eleuthero extract 78 mg, twice daily for 14 days increases walking duration by around 13 minutes but does not reduce the duration of cough, fatigue, headache, pain, or other respiratory problems when compared with placebo (109635). It is unclear if these findings are due to rhodiola, other ingredients, or the combination.
• Depression. It is unclear if oral rhodiola is beneficial for depression. Details: Clinical practice guidelines from the World Federation of Societies of Biological Psychiatry (WFSBP) and the Canadian Network for Mood and Anxiety Treatments (CANMAT) state that rhodiola is not currently recommended for monotherapy or adjunctive use in major depressive disorder based on mixed evidence (110318). Clinical research shows that taking a specific rhodiola extract (SHR-5, Swedish Herbal Institute) 340 mg once or twice daily reduces symptoms of mild-to-moderate depression after 6 weeks of treatment when compared with placebo. Rhodiola decreased overall depressive symptoms, emotional instability, insomnia, and somatization; however, it did not improve feelings of self-esteem (17616). Another small clinical study in patients with major depressive disorder of moderate severity shows that adding a higher dose of rhodiola 600 mg to sertraline daily for 12 weeks improves depressive symptoms when compared with either sertraline alone or sertraline with a lower dose of rhodiola (300 mg) (102283).
• Diabetes. Although there has been interest in using oral rhodiola for diabetes, there is insufficient reliable information about the clinical effects of rhodiola for this condition.
• Fatigue. Preliminary clinical research suggests that oral rhodiola extract decreases fatigue in stressful situations. Details: Most preliminary clinical trials have evaluated a specific rhodiola root extract (SHR-5, Swedish Herbal Institute) in various doses and populations. Taking 50 mg of this product twice daily reduces mental fatigue and improves subjective well-being in students during an examination period (1927). Taking 144 mg twice daily for 7 days reduces fatigue, but not stress, in university students (19287). In night shift workers, 170 mg daily for 2 weeks reduces feelings of fatigue and improves mental performance (6877). In military cadets, a single dose of 370-555 mg after 24 hours without sleep improves tests of mental processing and short-term memory (16411). Finally, taking 576 mg daily for 28 days decreases symptoms of fatigue and increases attention, but does not improve quality of life or symptoms of depression, in patients with stress-related fatigue (19286). Other clinical research shows that taking a different rhodiola root extract (Rhodaxon, Teknofarm), 660 mg daily for 20 days, reduces mental fatigue by 30% in first-year university students (19288). Clinical research using another specific dried rhodiola extract (Vitango, Schwabe Pharma) also shows that taking 200 mg twice daily for 12 weeks modestly reduces perceived levels of stress, burnout, and fatigue when compared to baseline in adults experiencing symptoms of burnout. The validity of these findings is limited by the lack of a control group (96459). Rhodiola extract has also been studied in combination schisandra berry extract and Siberian ginseng root extract (ADAPT-232, Swedish Herbal Institute). However, evidence is mixed, with one study showing that 270 mg daily improves attention, accuracy, and speed in tired individuals performing stressful cognitive tasks (19289), and another study showing that 280 mg daily for 7 days does not reduce mental fatigue or stress in university students (19287).
• Generalized anxiety disorder (GAD). It is unclear if oral rhodiola is beneficial for GAD. Details: A small clinical study shows that taking a specific rhodiola extract (Rhodax, Bodyonics Ltd.) 170 mg twice daily for 10 weeks decreases anxiety and depression and improves symptom scores when compared to baseline in patients with GAD (16410). The validity of these findings is limited by the lack of a comparator group.
• Hearing loss. Although there has been interest in using oral rhodiola for hearing loss, there is insufficient reliable information about the clinical effects of rhodiola for this purpose.
• Hyperlipidemia. Although there has been interest in using oral rhodiola for hyperlipidemia, there is insufficient reliable information about the clinical effects of rhodiola for this condition.
• Menopausal symptoms. Oral rhodiola has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Preliminary clinical research in patients experiencing menopausal symptoms shows that taking a combination product (Menopause Relief EP, EuroPharma USA) containing rhodiola extract 400 mg and black cohosh extract 13 mg daily for 12 weeks improves psychological symptoms of menopause when compared with placebo or black cohosh alone (103269). It is unclear if these findings are due to rhodiola, black cohosh, or the combination.
• Premature ejaculation. Oral rhodiola has only been evaluated in combination with other ingredients; its effect when used alone is unclear. Details: Preliminary clinical research in adults with lifelong premature ejaculation shows that taking a specific combination product (EndEP) containing rhodiola 200 mg, folic acid 200 mcg, zinc 10 mg, and biotin 50 mcg once daily for 90 days increases time to ejaculation by about 29 seconds and improves control of ejaculation in about 60% of participants when compared to baseline. These improvements disappear within 90 days of discontinuing treatment. The validity of these findings is limited by the lack of a control group (96460).
• Sexual arousal. Although there has been interest in using oral rhodiola for improving sexual arousal, there is insufficient reliable information about the clinical effects of rhodiola for this condition.
• Stress. Preliminary clinical research suggests that oral rhodiola extract reduces feelings of stress. Details: Preliminary clinical research in adults with general stress shows that taking a specific dried rhodiola extract (Vitango, Schwabe Pharma) modestly reduces levels of stress in certain situations. Taking 200 mg twice daily before breakfast and lunch for 4 weeks improves stress, disability, and functional impairment when compared to baseline (90431). A small study in college students with anxiety shows that taking 200 mg twice daily for 14 days modestly reduces reported levels of stress, anxiety, anger, confusion, and negative mood when compared to a control group (96462). In adults experiencing symptoms of burnout, taking this specific extract 200 mg twice daily for 12 weeks modestly reduces perceived levels of stress, burnout, and fatigue and improves sexual satisfaction when compared to baseline. The validity of these findings is limited by the lack of a control group (96459). Rhodiola has also been evaluated in combination with other ingredients in individuals with stress. A small clinical study in healthy adults with chronic stress shows that taking a specific combination product (Mg-Teadiola, Sanofi-Aventis), containing rhodiola extract 222 mg, magnesium 150 mg, green tea extract 125 mg (providing theanine 50 mg), vitamin B6 0.7 mg, vitamin B9 0.1 mg, and vitamin B12 1.25 mcg, daily for 4 weeks reduces stress scores when compared with placebo (108672). It is unclear if these findings are due to rhodiola, other ingredients, or the combination.
• Tuberculosis. Although there has been interest in using oral rhodiola for tuberculosis, there is insufficient reliable information about the clinical effects of rhodiola for this condition.
• Upper respiratory tract infection (URTI). Although there has been interest in using oral rhodiola for URTI prevention, there is insufficient reliable information about the clinical effects of rhodiola for this purpose. More evidence is needed to rate rhodiola for these uses.

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POSSIBLY SAFE ...when used orally and appropriately, short-term. There is some clinical research showing that taking rhodiola extract up to 300 mg twice daily has been used without adverse effects for up to 12 weeks (13109,16410,17616,71172,96459,102283,103269).

PREGNANCY AND LACTATION:
Insufficient reliable information available; avoid using.

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ANTIDIABETES DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Theoretically, taking rhodiola with antidiabetes drugs might increase the risk of hypoglycemia.  Details In vitro and animal research shows that rhodiola extract can decrease blood glucose due to alpha-glucosidase activity (15717,15719).

ANTIHYPERTENSIVE DRUGS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, taking rhodiola with antihypertensive drugs might increase the risk of hypotension.  Details In vitro and animal research shows that rhodiola extract inhibits angiotensin-converting enzyme (ACE) and might lower blood pressure (15719,19495).

CYTOCHROME P450 1A2 (CYP1A2) SUBSTRATES Interaction Rating = Minor Be watchful with this combination. Severity = Mild •  Occurrence = Possible •  Level of Evidence = B Theoretically, rhodiola might increase levels of drugs metabolized by CYP1A2.  Details In vitro research shows that rhodiola inhibits CYP1A2. This effect is highly variable and appears to be dependent on the rhodiola product studied (96461). However, a clinical study in healthy young males found that taking rhodiola extract 290 mg daily for 14 days does not inhibit the metabolism of caffeine, a CYP1A2 substrate (96463).

CYTOCHROME P450 2C9 (CYP2C9) SUBSTRATES Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = B Theoretically, rhodiola might increase levels of drugs metabolized by CYP2C9.  Details In vitro research shows that rhodiola inhibits CYP2C9. This effect is highly variable and appears to be dependent on the rhodiola product studied (96461). Also, a clinical study in healthy young males found that taking rhodiola extract 290 mg daily for 14 days reduces the metabolism of losartan, a CYP2C9 substrate, by 21% after 4 hours (96463).

CYTOCHROME P450 3A4 (CYP3A4) SUBSTRATES Interaction Rating = Minor Be watchful with this combination. Severity = Mild •  Occurrence = Possible •  Level of Evidence = B Theoretically, rhodiola might increase levels of drugs metabolized by CYP3A4.  Details In vitro research shows that rhodiola inhibits CYP3A4 (19497,96461). This effect is highly variable and appears to be dependent on the rhodiola product studied (96461). However, a clinical study in healthy young males found that taking rhodiola extract 290 mg daily for 14 days does not inhibit the metabolism of midazolam, a CYP3A4 substrate (96463).

IMMUNOSUPPRESSANTS Interaction Rating = Moderate Be cautious with this combination. Severity = High •  Occurrence = Possible •  Level of Evidence = D Theoretically, rhodiola use might interfere with immunosuppressive therapy.  Details In vitro and animal research show that rhodiola has immunostimulatory effects (19498,19499,19500,19501).

LOSARTAN (Cozaar) Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Probable •  Level of Evidence = B Rhodiola might increase the levels and adverse effects of losartan.  Details A clinical study in healthy young males found that taking rhodiola extract 290 mg daily for 14 days reduces the metabolism of losartan, a CYP2C9 substrate, by 21% after 4 hours (96463).

P-GLYCOPROTEIN SUBSTRATES Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, rhodiola might increase levels of P-glycoprotein substrates.  Details In vitro research shows that rhodiola inhibits P-glycoprotein (19497). Theoretically, using rhodiola with P-glycoprotein substrates might increase drug levels and potentially increase the risk of adverse effects.

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General ...Orally, rhodiola seems to be well tolerated.
Most Common Adverse Effects:
Orally: Dizziness, increased or decreased production of saliva.

Gastrointestinal ...Orally, rhodiola extract may cause dry mouth or excessive saliva production (16410,16411).

Neurologic/CNS ...Orally, rhodiola extract can cause dizziness (16410).

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