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Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice.
Other
Rosa Canina Leaf, derived from the Dog Rose plant, is a botanical ingredient used in traditional medicine and dietary supplements for its antioxidant and astringent properties. It belongs to the Rosaceae family and is often utilized for its rich polyphenol and tannin content.
Name
Rosa Canina Leaf
Raw Name
ROSA CANINA LEAF
Category
Other
Drug Count
5
Variant Count
5
Last Verified
February 17, 2026
About Rosa Canina Leaf
Rosa Canina Leaf, derived from the Dog Rose plant, is a botanical ingredient used in traditional medicine and dietary supplements for its antioxidant and astringent properties. It belongs to the Rosaceae family and is often utilized for its rich polyphenol and tannin content.
Detailed information about Rosa Canina Leaf
References used for this content
This page is for informational purposes only and does not replace medical advice. Consult a qualified healthcare professional before using any medication containing Rosa Canina Leaf.
Rosa Canina Leaf, commonly known as the leaf of the Dog Rose, is a botanical component derived from the Rosa canina L. plant, a deciduous shrub native to Europe, northwest Africa, and western Asia. While the fruit of this plant (rose hips) is more widely recognized in clinical literature, the leaves have a long-standing history in traditional European herbalism and are increasingly studied for their unique phytochemical profile. Rosa Canina Leaf belongs to a class of substances known as herbal or botanical dietary supplements. Unlike synthetic pharmaceuticals, it is not classified as a 'drug' by the FDA but is regulated under the Dietary Supplement Health and Education Act of 1994 (DSHEA).
In clinical contexts, Rosa Canina Leaf is valued for its high concentration of secondary metabolites, including tannins, flavonoids, and phenolic acids. These compounds contribute to its primary pharmacological classification as an antioxidant and mild astringent (a substance that causes the contraction of body tissues). While it does not have a specific FDA approval for treating medical diseases, it is frequently used in 'Other' therapeutic categories for general wellness, skin health, and digestive support. Patients should understand that the therapeutic effects of Rosa Canina Leaf are often cumulative and may differ significantly from the immediate action of conventional medications.
The mechanism of action for Rosa Canina Leaf is multifaceted, involving several molecular pathways. At the molecular level, the leaf extracts are rich in polyphenols such as quercetin, kaempferol, and various ellagitannins. These compounds act as potent free radical scavengers. They neutralize reactive oxygen species (ROS), which are unstable molecules that can damage cellular structures, including DNA and lipid membranes. By reducing oxidative stress, Rosa Canina Leaf may help modulate the inflammatory response within the body.
Furthermore, the high tannin content in the leaves provides an astringent effect. Tannins are known to precipitate proteins; when applied topically or ingested, they can form a protective layer over mucous membranes or skin, potentially reducing the permeability of these tissues to irritants. Some studies suggest that the flavonoids in the leaves may inhibit certain enzymes, such as cyclooxygenase (COX), which are involved in the production of pro-inflammatory prostaglandins. This suggests a potential, albeit mild, anti-inflammatory mechanism similar to non-steroidal anti-inflammatory drugs (NSAIDs), though much less potent. It is important to note that these mechanisms are largely observed in in vitro (laboratory) or animal studies, and human clinical trials are ongoing to fully elucidate these pathways.
Rosa Canina Leaf is utilized for several health-related purposes, although these are generally considered supportive rather than curative. Common uses include:
Rosa Canina Leaf is available in several preparations, including:
> Important: Only your healthcare provider can determine if Rosa Canina Leaf is right for your specific condition. Botanical supplements can interact with underlying health conditions or other medications.
Because Rosa Canina Leaf is classified as a dietary supplement, there is no standardized FDA-approved dosage. However, based on traditional use and clinical observations, the following ranges are common:
Dosage may vary significantly based on the concentration of the extract and the intended use. Patients should always start with the lowest possible dose to assess tolerance.
Rosa Canina Leaf is generally not recommended for use in children under the age of 12 unless specifically directed by a pediatrician. There is insufficient clinical data to establish safe dosage ranges or long-term effects in the pediatric population. The high tannin content may cause gastrointestinal upset in children more readily than in adults.
Patients with significant kidney disease (low GFR) should use Rosa Canina Leaf with caution. While not directly nephrotoxic, the kidneys are responsible for excreting the metabolites of flavonoids and tannins. Accumulation of these metabolites could theoretically occur in patients with impaired renal function.
Since the liver is the primary site for the metabolism of botanical compounds, patients with hepatic impairment (e.g., cirrhosis or hepatitis) should consult a doctor. Reduced liver function may lead to higher systemic levels of the active constituents, increasing the risk of side effects.
Elderly patients often have decreased organ reserve and are more likely to be on multiple medications (polypharmacy). In this population, it is advisable to start at the lower end of the dosing range (e.g., 250mg once daily) to monitor for any adverse effects or interactions.
To ensure safety and maximize potential benefits, follow these guidelines:
If you miss a dose of Rosa Canina Leaf, take it as soon as you remember. If it is almost time for your next scheduled dose, skip the missed dose and resume your regular schedule. Do not double the dose to make up for a missed one, as this may increase the risk of gastrointestinal side effects.
Signs of an overdose of Rosa Canina Leaf are generally mild but may include:
In the event of an accidental large ingestion, contact your local poison control center or seek emergency medical attention immediately. While not typically life-threatening, excessive intake of botanical extracts can cause significant metabolic stress.
> Important: Follow your healthcare provider's dosing instructions. Do not adjust your dose without medical guidance. The strength of herbal products can vary significantly between brands.
While Rosa Canina Leaf is generally well-tolerated, some individuals may experience mild side effects, particularly when first starting the supplement. The most common issues include:
> Warning: Stop taking Rosa Canina Leaf and call your doctor immediately if you experience any of these.
There is limited data on the effects of taking Rosa Canina Leaf for several years. However, chronic high-dose intake of tannins can theoretically lead to:
No FDA black box warnings currently exist for Rosa Canina Leaf. As a dietary supplement, it is not subject to the same rigorous clinical trial requirements as prescription drugs. However, patients should remain vigilant and report any adverse events to the FDA's MedWatch program.
Report any unusual symptoms to your healthcare provider. Even 'natural' products can cause significant side effects if used incorrectly or by individuals with specific sensitivities.
Rosa Canina Leaf is a potent botanical source and should be treated with the same respect as conventional medication. It is not a substitute for medical treatment prescribed by a physician. Patients should be aware that the quality and purity of herbal supplements can vary significantly between manufacturers. Always choose products that have been third-party tested (e.g., USP, NSF, or ConsumerLab) to ensure they are free from contaminants like heavy metals or pesticides.
There are no FDA black box warnings for Rosa Canina Leaf. It is classified as a dietary supplement and has not been evaluated by the FDA for safety and efficacy in the treatment of specific diseases.
If you are taking Rosa Canina Leaf long-term or in high doses, your healthcare provider may recommend periodic monitoring:
Rosa Canina Leaf is not typically known to cause sedation or cognitive impairment. However, if you experience dizziness or a headache after taking the supplement, you should avoid driving or operating heavy machinery until you know how the substance affects you.
There are no specific known interactions between Rosa Canina Leaf and alcohol. However, both substances are processed by the liver. Excessive alcohol consumption while taking botanical supplements may increase the metabolic load on the liver and should be avoided.
There is no known withdrawal syndrome associated with Rosa Canina Leaf. You can typically stop taking it suddenly without tapering. However, if you were using it for a specific symptom (like digestive support), that symptom may return upon discontinuation.
> Important: Discuss all your medical conditions with your healthcare provider before starting Rosa Canina Leaf. Provide a full list of all other supplements and medications you are currently taking.
While there are no absolute contraindications listed by the FDA, clinical pharmacology suggests avoiding Rosa Canina Leaf with the following:
For each major interaction, the mechanism usually involves chelation (binding in the gut) or metabolic competition in the liver. The clinical consequence is typically a reduction in the efficacy of the primary medication or an increase in minor side effects.
> Important: Tell your doctor about ALL medications, supplements, and herbal products you are taking. A complete medication reconciliation is essential for safety.
Rosa Canina Leaf must NEVER be used in the following circumstances:
Conditions requiring careful risk-benefit analysis by a physician include:
Patients who are allergic to the following may also be sensitive to Rosa Canina Leaf:
> Important: Your healthcare provider will evaluate your complete medical history before prescribing or recommending Rosa Canina Leaf. Do not assume 'natural' means 'safe for everyone'.
Rosa Canina Leaf is classified as Category C (using the older FDA system context) or 'Insufficient Data' for pregnancy. There are no well-controlled studies in pregnant women. While traditional use suggests it has been consumed as tea, concentrated extracts may have different effects. There is a theoretical concern that high doses of flavonoids could affect fetal development or uterine tone. Pregnant women should avoid use unless specifically approved by their obstetrician.
It is unknown if the active constituents of Rosa Canina Leaf pass into breast milk. Many flavonoids do enter breast milk in small amounts. Because the effects on a nursing infant are unknown, breastfeeding mothers should exercise caution. If use is necessary, monitor the infant for signs of gastrointestinal upset or skin rashes.
Rosa Canina Leaf is not approved for use in infants or young children. In older children (12+), it should only be used under medical supervision. The safety profile regarding growth and development has not been established. The risk of tannin-induced constipation or nutrient malabsorption is higher in the pediatric population.
Older adults may be more sensitive to the effects of Rosa Canina Leaf. There is an increased risk of interactions with medications for hypertension, heart disease, and diabetes. Additionally, the mild diuretic effect may increase the risk of dehydration in elderly patients who already have reduced thirst sensation. Renal clearance of flavonoid metabolites may also be slower in this population.
In patients with mild to moderate renal impairment (GFR 30-60 mL/min), no specific dose adjustment is defined, but monitoring is recommended. In severe impairment (GFR < 30 mL/min), use is generally discouraged. There is no data regarding the clearance of Rosa Canina Leaf constituents during hemodialysis or peritoneal dialysis.
Patients with Child-Pugh Class B or C hepatic impairment should avoid high-dose extracts. The liver's ability to conjugate and detoxify polyphenols may be compromised, leading to increased systemic exposure and potential toxicity.
> Important: Special populations require individualized medical assessment. Always consult a specialist before introducing botanical supplements into a complex medical regimen.
Rosa Canina Leaf exerts its effects primarily through its secondary metabolites. The tannins (specifically ellagitannins) act as astringents by cross-linking proteins on tissue surfaces. This creates a 'tanning' effect on mucous membranes, which can reduce inflammation and secretions. The flavonoids (such as isoquercitrin and hyperoside) function as antioxidants. They donate electrons to stabilize free radicals, thereby preventing oxidative damage to cell membranes and DNA. Some evidence suggests these flavonoids may also modulate the activity of signaling molecules like NF-kappaB, which plays a central role in the inflammatory cascade.
The pharmacodynamic effects of Rosa Canina Leaf are typically slow-acting. The antioxidant capacity in the plasma may increase within 1-2 hours of ingestion, but the systemic anti-inflammatory effects may take several days or weeks of consistent use to become apparent. There is no evidence of the development of pharmacological tolerance, although the body's compensatory mechanisms may adjust to the mild astringent effects over time.
| Parameter | Value |
|---|---|
| Bioavailability | Low to Moderate (variable by constituent) |
| Protein Binding | High (primarily to Albumin) |
| Half-life | 12 - 24 hours (for major flavonoids) |
| Tmax | 1.5 - 4 hours |
| Metabolism | Hepatic (Phase II Glucuronidation) |
| Excretion | Renal (>70%), Fecal (<30%) |
Rosa Canina Leaf is classified as a Botanical/Herbal Supplement. Within the herbal hierarchy, it is grouped with other polyphenol-rich plants such as Camellia sinensis (Green Tea) and Crataegus (Hawthorn). It is often categorized under 'Antioxidants' or 'Gastrointestinal Support' in health food contexts.
Common questions about Rosa Canina Leaf
Rosa Canina Leaf is primarily used as a dietary supplement for its antioxidant and astringent properties. In traditional medicine, it has been used to support digestive health, particularly for mild diarrhea, and to soothe skin irritations. Modern interest focuses on its high polyphenol content, which may help the body combat oxidative stress and support the immune system. It is also sometimes found in topical skincare products to provide protective benefits against environmental damage. However, it is important to note that it is not an FDA-approved treatment for any specific medical condition.
The most common side effects of Rosa Canina Leaf include mild gastrointestinal issues such as nausea, stomach cramps, or constipation. These effects are often attributed to the high tannin content, which can be irritating to the stomach lining if taken in large amounts or on an empty stomach. Some individuals may also experience a mild headache or dizziness when they first begin taking the supplement. These symptoms are generally temporary and resolve as the body adjusts. If side effects persist or become severe, it is important to discontinue use and consult a healthcare provider.
There is no known direct interaction between Rosa Canina Leaf and alcohol that would cause immediate danger. However, because both substances are processed by the liver, consuming alcohol while taking botanical supplements may increase the overall metabolic burden on the liver. It is generally advisable to limit alcohol intake when using any supplement to ensure your liver can function optimally. Additionally, alcohol can sometimes worsen the gastrointestinal side effects, such as nausea or heartburn, that some people experience with rose leaf extracts. Always discuss your lifestyle habits with your doctor.
The safety of Rosa Canina Leaf during pregnancy has not been established through rigorous clinical trials. Most healthcare providers recommend avoiding herbal supplements during pregnancy unless they are specifically prescribed, as the effects on fetal development are largely unknown. There is a theoretical concern that high doses of plant flavonoids could interfere with hormonal balance or uterine stability. If you are pregnant or planning to become pregnant, you should consult your obstetrician before using any form of Rosa Canina Leaf. It is always better to prioritize proven safety for both the mother and the developing baby.
The onset of action for Rosa Canina Leaf depends on the intended use. For digestive support or its astringent effects, some individuals may notice a difference within a few hours to a day. However, for its antioxidant and systemic health benefits, it typically takes several weeks of consistent use to see noticeable results. This is because the active compounds need time to accumulate in the tissues and modulate the body's oxidative stress levels. Patience and consistency are key when using botanical supplements, and they should be viewed as part of a long-term wellness strategy rather than a quick fix.
Yes, you can generally stop taking Rosa Canina Leaf suddenly without experiencing withdrawal symptoms. Unlike some prescription medications that affect the central nervous system, this botanical supplement does not cause physical dependence. However, if you were taking it to manage a specific symptom, such as mild digestive upset, that symptom may return once the supplement is discontinued. It is always a good idea to inform your healthcare provider if you decide to stop any supplement, especially if it was part of a broader health management plan.
If you miss a dose of Rosa Canina Leaf, you should take it as soon as you remember. However, if it is nearly time for your next scheduled dose, it is best to skip the missed dose and simply continue with your regular routine. You should never take two doses at once to make up for a missed one, as this increases the likelihood of experiencing side effects like stomach upset or nausea. Maintaining a regular schedule helps keep the levels of active polyphenols steady in your system. Setting a daily reminder on your phone can help you stay consistent.
There is no clinical evidence to suggest that Rosa Canina Leaf causes weight gain. In fact, most botanical extracts are calorie-free or very low in calories and do not affect the metabolic processes that lead to fat storage. Some research into rose species has actually explored their potential for supporting metabolic health, though this is not a primary use for the leaf. If you experience unexpected weight gain while taking this or any supplement, it is likely due to other factors such as diet, lifestyle, or an underlying medical condition. You should discuss any significant weight changes with your doctor.
Rosa Canina Leaf may interact with certain medications, so caution is required. Its high tannin content can interfere with the absorption of medications like iron supplements and certain antidepressants. There is also a theoretical risk of interaction with blood thinners like warfarin or medications for diabetes and high blood pressure. Because it can act as a mild diuretic, it might also affect the levels of medications like lithium in the blood. You must provide your healthcare provider with a complete list of all prescriptions and over-the-counter drugs you are taking before starting this supplement.
Rosa Canina Leaf is not a prescription drug, so the term 'generic' does not apply in the traditional sense. Instead, it is available as a dietary supplement from many different manufacturers under various brand names. You can find it in health food stores, pharmacies, and online. When purchasing, look for products that specify 'Rosa canina' on the label and check for third-party quality seals. This ensures that you are getting the correct plant species and that the product is free from harmful contaminants. Prices and concentrations can vary widely between different brands.