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Cistanche tubulosa

Cistanche tubulosa
Evidence Level
Limited
2 Clinical Trials
5 Documented Benefits
2/5 Evidence Score

Cistanche tubulosa (Chinese: Rou Cong Rong) is a parasitic desert plant traditionally used in Chinese medicine for vitality, kidney-yang support, and male sexual function. Modern phytochemistry identifies a class of phenylethanoid glycosides—principally echinacoside and acteoside (verbascoside)—as the main bioactive constituents. Preclinical studies in animal models and a small set of human trials suggest effects on testosterone-related pathways, sexual performance markers, and cognitive endpoints. A standardized Cistanche tubulosa glycoside formulation (Memoregain®) has been studied for moderate Alzheimer's disease. Evidence in humans remains early-stage but consistent in direction.

Studied Dose Standardized extracts (30-50% PhGs): 300-600 mg/day. Memoregain® glycoside capsules: ~1.2 g/day in Alzheimer's pilot work.
Active Compound Phenylethanoid glycosides — echinacoside, acteoside (verbascoside), cistanoside; standardized extracts often 30-50% total glycosides.

Benefits

Supports Male Sexual Function

Traditional and preclinical evidence supports use of Cistanche tubulosa phenylethanoid glycosides for sexual vitality in men, with animal models showing improvements in mounting frequency and erectile parameters.

Supported by Trial 2

May Support Healthy Testosterone Levels

Animal studies of phenylethanoid glycosides demonstrate upregulation of testicular steroidogenic enzymes (CYP450, 3β-HSD) and increased testosterone synthesis, providing a plausible mechanism for traditional androgenic uses.

Supported by Trial 1, Trial 2

Cognitive Support in Older Adults

Echinacoside and acteoside show neuroprotective activity in preclinical models, and a small open-label clinical study in moderate Alzheimer's disease suggested stabilization of cognitive scores over 48 weeks of treatment.

Supported by Trial 1

Adaptogenic Vitality Support

Traditional Chinese medicine uses Cistanche for fatigue and reduced vitality, particularly in aging adults. Modern human work pairing Cistanche with Ginkgo has examined chronic-fatigue endpoints with positive direction of effect.

Supported by Trial 2

Antioxidant Phenylethanoid Glycosides

Echinacoside and verbascoside are potent radical scavengers in laboratory assays and contribute to anti-inflammatory and neuroprotective activity in cell and animal models.

Mechanism of action

1

Steroidogenic Enzyme Upregulation

Phenylethanoid glycosides modulate testicular CYP450 and 3β-HSD enzymes, supporting cholesterol-to-testosterone conversion in preclinical models of reproductive dysfunction.

2

Neuroprotection by Echinacoside

Echinacoside inhibits oxidative stress, supports mitochondrial function, modulates BDNF expression, and attenuates amyloid-β toxicity in cell and animal models of neurodegeneration.

3

Cholinergic Modulation

Cistanche extracts reverse cholinergic dysfunction and partially restore hippocampal dopaminergic transmission in Alzheimer's-like rodent models, contributing to the cognitive signal.

4

Anti-Inflammatory and Antioxidant

Phenylethanoid glycosides scavenge ROS, inhibit NF-κB activation, and reduce pro-inflammatory cytokines in vitro, supporting broader effects on age-related tissue stress.

Clinical trials

1
Cistanche tubulosa Glycoside Capsules in Moderate Alzheimer's Disease

Open-label, non-placebo-controlled study of standardized Cistanche tubulosa glycoside capsules (Memoregain®) over 48 weeks. Outcomes: ADAS-cog, MMSE, ADL, Blessed Behavioral Scale, CGI.

18 patients with moderate Alzheimer's disease; 48-week intervention.

ADAS-cog scores improved in 10, deteriorated in 7, and stayed unchanged in 1 patient over 48 weeks. MMSE and ADL scores remained stable; adverse events were mild. Suggests Memoregain® may help support cognitive stability in moderate AD, though the open-label design limits causal interpretation.

2
Cistanche tubulosa + Ginkgo for Chronic Fatigue Symptoms

Randomized, double-blind, placebo-controlled trial of a botanical formulation combining Cistanche tubulosa and Ginkgo biloba extracts in adults aged 35-60 with chronic-fatigue-syndrome-like symptoms.

Adults aged 35-60 with chronic fatigue symptoms.

The combined botanical product was associated with improvements in fatigue and vitality measures vs placebo. Cistanche's contribution cannot be isolated from Ginkgo, but the combination signal is consistent with traditional adaptogenic positioning.

Side effects and drug interactions

Common Potential side effects

Generally well-tolerated in human trials at the doses studied.
Mild gastrointestinal upset (loose stools, nausea) at high doses; traditional use notes a laxative effect.
Possible mild headache or restlessness in sensitive individuals.
Caution in those with hormone-sensitive conditions due to potential androgenic activity.
Limited long-term safety data; avoid in pregnancy and breastfeeding.

Important Drug interactions

Testosterone or other androgenic therapies — additive effects possible; monitor with provider.
Anticoagulants — phenylethanoid glycosides may have mild antiplatelet activity; monitor when combining.
Cholinesterase inhibitors — theoretical additive cognitive effects; combination has not been formally studied.
5-alpha-reductase inhibitors — interaction with prostate-related medications not well characterized.

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Frequently asked questions about Cistanche tubulosa

What is the recommended dosage of Cistanche tubulosa?

The clinically studied dose for Cistanche tubulosa is Standardized extracts (30-50% PhGs): 300-600 mg/day. Memoregain® glycoside capsules: ~1.2 g/day in Alzheimer's pilot work.. Always follow product labeling and consult a healthcare provider for personalized dosing recommendations.

What is Cistanche tubulosa used for?

Cistanche tubulosa is studied for supports male sexual function, may support healthy testosterone levels, cognitive support in older adults. Traditional and preclinical evidence supports use of Cistanche tubulosa phenylethanoid glycosides for sexual vitality in men, with animal models showing improvements in mounting frequency and erectile parameters.

Are there side effects from taking Cistanche tubulosa?

Reported potential side effects may include: Generally well-tolerated in human trials at the doses studied. Mild gastrointestinal upset (loose stools, nausea) at high doses; traditional use notes a laxative effect. Always consult a healthcare provider before starting any new supplement, especially if you have underlying conditions or take medications.

Does Cistanche tubulosa interact with medications?

Known drug interactions may include: Testosterone or other androgenic therapies — additive effects possible; monitor with provider. Anticoagulants — phenylethanoid glycosides may have mild antiplatelet activity; monitor when combining. Consult a pharmacist or healthcare provider if you take prescription medications.

Is Cistanche tubulosa good for men's health?

Yes, Cistanche tubulosa is researched for Men's Health support. Traditional and preclinical evidence supports use of Cistanche tubulosa phenylethanoid glycosides for sexual vitality in men, with animal models showing improvements in mounting frequency and erectile parameters.

References(2 citations)

Evidence ratings on NutraSmarts are based on the totality of human clinical research, with emphasis on randomized controlled trials, meta-analyses, and systematic reviews. The references below directly support claims made throughout this page.

  1. Guo Q, Zhou Y, Wang CJ, Huang YM, Lee YT, Su MH, Lu J. An open-label, nonplacebo-controlled study on Cistanche tubulosa glycoside capsules (Memoregain®) for treating moderate Alzheimer's Disease. Am J Alzheimers Dis Other Demen. 2013;28(4):363-70. doi: 10.1177/1533317513488907.PubMedUsed to support: 48-week open-label study of Cistanche tubulosa glycoside capsules (Memoregain®) in 18 moderate-AD patients showed cognitive stability or improvement on ADAS-cog in most participants, with mild adverse events.
  2. Wang Q, Huang J, Zheng Y, Guan X, Lai C, Gao H, Ho CT, Lin B. Selenium-enriched Cistanche tubulosa polysaccharides phenylethanoid glycosides improved reproductive dysfunction by regulating testicular steroids through CYP450-3β-HSD pathway. J Ethnopharmacol. 2020;251:112515. doi: 10.1016/j.jep.2019.112515.PubMedUsed to support: Animal model demonstrating Cistanche tubulosa phenylethanoid glycosides upregulate testicular CYP450 and 3β-HSD steroidogenic enzymes, supporting androgenic activity and the traditional use for male reproductive support.