Fortify Your Defenses: Immune-Boosting Tinctures for Natural, Lasting Immunity Support
Last Updated: February 19, 2026
For generations, Indigenous healers of the mountain West called it Bear Root, the herb that bears dug for instinctively after emerging from hibernation, their bodies weakened and in need of deep respiratory clearing. Ligusticum porteri, known today as Osha Root, was revered as one of the most potent immune allies in the plant kingdom. Yet walk into most modern herb shops and what you will find is a pale imitation of that ancestral medicine, roots harvested too young, dried too fast, stripped of the volatile terpenes that made them legendary.
True medicinal potency begins in the soil microbiome. Plants forced to survive in rich, regenerative earth develop the dense secondary metabolites required for immune defense.
The truth is, recreating the potency described by traditional herbalists requires more than good intentions. It demands a relationship with the soil itself. At Sacred Plant Co, our approach is rooted in regenerative thinking, a philosophy we practice daily at our I·M·POSSIBLE Farm through Korean Natural Farming (KNF). By feeding the soil microbiome rather than suppressing it, we create the conditions for plants to produce the dense secondary metabolites, the Z-ligustilide, the chlorogenic acid, the quercetin, that are the actual medicine. You can see the science behind our methods and understand why restoring the lost intelligence of the plant starts beneath the surface, in living earth.
This guide is built around three of the most effective immune-supporting herbs we carry: Osha Root, Stinging Nettle, and Dandelion Root. Together, they form a layered defense system, clearing the lungs, nourishing the blood, and detoxifying the organs that keep immunity strong. What follows is everything you need to know to use these tinctures with confidence and purpose.
What You'll Learn
- Why Osha Root is considered one of the most powerful respiratory immune herbs in traditional herbalism
- How Stinging Nettle supports immunity through mineral density and histamine modulation
- The role Dandelion Root plays in liver detoxification and immune resilience
- How regenerative soil health directly impacts the potency of medicinal tinctures
- A step-by-step recipe for creating your own immune-boosting tincture blend
- How to identify premium quality herbs using sensory cues like color, aroma, and texture
- Safety considerations, contraindications, and dosage guidelines for each herb
- The latest peer-reviewed research on key phytochemicals like Z-ligustilide, quercetin, and taraxasterol
Understanding Immunity and How Herbal Tinctures Help
The immune system is a multi-layered network of organs, cells, and chemical signals that works together to identify and neutralize threats before they can cause illness. It is not a single switch that turns "on" or "off" but rather a dynamic conversation between your respiratory tract, your gut lining, your lymphatic system, and your liver. When any one of these systems is overtaxed, the whole network suffers.
This is where herbal tinctures offer a distinct advantage over isolated supplements. Rather than targeting a single pathway, a well-chosen tincture delivers a complex matrix of phytochemicals that work synergistically. Osha Root, for example, does not simply "boost" the immune system. Its volatile oils open the airways, its Z-ligustilide modulates inflammatory signaling, and its antimicrobial compounds provide direct pathogen resistance, all simultaneously.1
Amber glass isn't just aesthetic; it's a structural barrier. Protecting delicate volatile oils and phytochemicals from UV degradation ensures the Z-ligustilide remains active.
Tinctures are liquid herbal extracts, typically made by steeping plant material in alcohol or glycerin for several weeks. This process pulls out both water-soluble and alcohol-soluble compounds, delivering a broader spectrum of active constituents than teas or capsules alone. The liquid format also means faster absorption, your body can begin utilizing the medicine within minutes rather than waiting for a capsule to dissolve.
What matters most, though, is what was in the plant before it was extracted. Herbs grown in biologically active soil produce significantly more defensive compounds, because those compounds are the plant's own immune system, triggered by the microbial stress and communication happening in healthy earth. This is the regenerative difference, and it is the reason we believe soil health translates directly to medicinal potency.
Osha Root: The Mountain Guardian of Respiratory Immunity
Osha Root (Ligusticum porteri) is a high-altitude perennial in the Apiaceae family, traditionally regarded as one of the most important respiratory herbs in Indigenous and folk medicine across the mountain regions of the Americas. Known by names including Bear Root, Chuchupate, and Porter's Lovage, Osha has been used for centuries as a first-response herb for colds, coughs, sore throats, and upper respiratory congestion.
Botanical Profile
Altitude and environmental stress dictate phytochemical density. Osha harvested from high-elevation rocky soils possesses exponentially higher concentrations of therapeutic volatile oils.
Osha grows wild at elevations between 7,000 and 10,000 feet, thriving in the rocky, mineral-rich soils of mountain meadows and aspen groves. The root, which is the primary medicinal part, is characterized by its intensely aromatic, almost peppery and celery-like scent. It is this aroma, produced by a dense concentration of volatile oils and phthalides, that signals potency. The plant cannot be commercially cultivated at scale, which makes ethical wildcrafting and respect for wild populations essential.
Key Phytochemicals
The primary active constituent in Osha Root is Z-ligustilide, a phthalide compound that research has shown to possess significant anti-inflammatory, antiviral, and smooth-muscle relaxant properties.1 Additional active compounds include ferulic acid (antioxidant protection), terpenes and sesquiterpenes (antimicrobial activity), and oxypeucedanin (antiviral support). This chemical complexity is why Osha works on multiple fronts simultaneously, it is not a one-note herb.
Traditional Uses
In traditional use, Osha Root was chewed raw, brewed as a tea, or burned as a smudge to clear the respiratory passages and ward off illness. It was considered a sacred protective herb, carried during travel and used during seasonal transitions when illness risk was highest. Many herbalists today continue to recommend Osha as a go-to herb at the very first sign of a cold or respiratory challenge, and for those looking to explore its deeper significance, we have written extensively about the spiritual uses of Osha Root as well.
What the Science Says
Modern research is catching up to what traditional herbalists have long known. A study published in the Journal of Ethnopharmacology demonstrated that Z-ligustilide exhibits potent anti-inflammatory effects by downregulating pro-inflammatory cytokines, suggesting real mechanisms behind Osha's traditional use for respiratory inflammation.1 Additional in-vitro research has identified antiviral activity in Ligusticum species against several common respiratory pathogens.2 While more clinical trials are needed, the existing body of evidence supports Osha's traditional reputation as a frontline respiratory ally. For those interested in how Osha compares to other respiratory herbs, our comparison of Osha Root vs. Mullein for respiratory wellness provides a deeper analysis.
Osha Root Tincture
Starting at $9.99
Tasting Notes: Warm, peppery, and intensely aromatic with celery-like undertones
Caffeine-FreeOur concentrated Osha Root extract delivers potent respiratory support through Z-ligustilide and volatile terpenes, crafted for fast-acting immune defense when you need it most.
Shop Osha Root TinctureStinging Nettle: The Mineral-Rich Immune Tonic
Stinging Nettle (Urtica dioica) is one of the most nutrient-dense herbs available, delivering a concentrated payload of iron, calcium, magnesium, and vitamins A, C, and K that directly nourish the immune system's cellular machinery. Where Osha clears and defends the respiratory tract, Nettle builds the foundational mineral reserves that immune cells need to function properly.
Botanical Profile
That deep green hue is a visual indicator of heavy mineral uptake and chlorophyll density, essential building blocks for robust cellular immune function and histamine regulation.
Nettle is a hardy perennial found across temperate regions worldwide. The entire aerial portion, leaves, stems, and seeds, has been used medicinally for thousands of years, appearing in the pharmacopeias of Traditional European Medicine, Ayurveda, and traditional folk practices alike. The plant's signature "sting" comes from formic acid and histamine in tiny hollow hairs on the leaves, compounds that, paradoxically, help modulate the body's histamine response when taken internally.
Key Phytochemicals
Nettle's immune-relevant compounds include quercetin, a flavonoid with well-documented anti-inflammatory and antihistamine properties, along with chlorogenic acid, kaempferol, and high concentrations of bioavailable minerals.3 The quercetin content is particularly relevant for seasonal immune challenges, as it has been shown to stabilize mast cells and reduce histamine release. This is chemistry created by struggle, not comfort, as the plant produces these defensive flavonoids in response to environmental stress in biologically active soil.
Traditional Uses
European herbalists have used Nettle as a spring tonic for centuries, valuing its ability to purify the blood, reduce water retention, and restore vitality after winter. In Ayurvedic practice, Nettle is considered a Pitta-pacifying herb that cools inflammation while nourishing depleted tissues. For a deeper exploration of preparation methods, our guide on brewing the perfect Stinging Nettle tea is an excellent companion resource.
What the Science Says
A 2017 systematic review in Phytomedicine confirmed Nettle's anti-inflammatory effects, identifying its ability to inhibit NF-kB signaling, a master switch in the inflammatory cascade.3 Separate research published in Planta Medica demonstrated that Nettle leaf extract can reduce circulating TNF-alpha and IL-6, two cytokines directly implicated in excessive immune responses and seasonal discomfort.4 The mineral density alone makes Nettle a valuable immune ally, as iron and zinc deficiencies are among the most common nutritional causes of weakened immunity.
Stinging Nettle Tincture
Starting at $9.99
Tasting Notes: Green, earthy, and slightly grassy with a brisk mineral finish
Caffeine-FreeA concentrated extract of Urtica dioica leaf, rich in quercetin and bioavailable minerals to nourish your immune system from the ground up.
Shop Nettle TinctureDandelion Root: The Deep Detox for Immune Resilience
Dandelion Root (Taraxacum officinale) is a potent hepatic herb that supports immune function indirectly by optimizing the liver's ability to filter toxins, metabolize waste, and maintain the clean internal environment that immune cells require to operate at full capacity. A congested liver means sluggish immunity, and Dandelion Root is one of the most reliable herbs for gently restoring hepatic flow.
Botanical Profile
When grown in biologically active soil, the Dandelion taproot drives deep, producing superior concentrations of taraxasterol and inulin required for true hepatic detoxification.
The common dandelion is among the most widely distributed medicinal plants on earth, found on every inhabited continent. Far from the "weed" it is often dismissed as, Dandelion has been a cornerstone of Traditional Chinese Medicine (where the root is called Pu Gong Ying), European folk herbalism, Ayurveda, and Indigenous healing traditions across the Americas. The root is typically harvested in autumn, when the plant concentrates its energy and phytochemical payload below ground. For a comprehensive deep-dive into this herb's remarkable versatility, our Dandelion Root Tincture guide covers it in full detail.
Key Phytochemicals
Dandelion Root is rich in taraxasterol, a triterpenoid that has demonstrated significant anti-inflammatory and hepatoprotective effects in research models.5 It also contains inulin (a prebiotic fiber that feeds beneficial gut bacteria), sesquiterpene lactones (the bitter compounds responsible for its digestive stimulation), and chicoric acid (an antioxidant). The bitterness is medicinal, it triggers the vagal-digestive cascade that stimulates bile flow and liver detoxification.
Traditional Uses
In TCM, Dandelion is classified as a "heat-clearing" herb used for liver stagnation, digestive sluggishness, and urinary support. In European herbalism, it was one of the primary spring cleansing herbs, used to reset the body after heavy winter eating. Ayurvedic practitioners use it to balance Pitta and Kapha, particularly for conditions related to liver congestion and skin issues rooted in internal toxicity. For those interested in how Dandelion Root compares to another liver-supporting powerhouse, our article on Dandelion Root vs. Milk Thistle breaks down the differences.
What the Science Says
A 2017 study in the Journal of Ethnopharmacology found that taraxasterol significantly reduced markers of liver inflammation in animal models, supporting the traditional use of Dandelion for hepatic support.5 Research published in Molecules (2020) identified broad antioxidant and immunomodulatory activity in Dandelion root extracts, with particular attention to its ability to stimulate macrophage activity, a key frontline immune defense.6 The prebiotic inulin content further supports immunity through the gut-immune axis, feeding the Bifidobacteria and Lactobacillus species that regulate immune signaling.
Dandelion Root Tincture
Starting at $9.99
Tasting Notes: Earthy, bitter, and roasted with subtle sweetness from natural inulin
Caffeine-FreeA concentrated Taraxacum officinale root extract that supports liver detoxification, digestive health, and the internal clarity your immune system needs to thrive.
Shop Dandelion Root TinctureHow to Identify Premium Immune-Boosting Herbs
The single most reliable indicator of a high-quality medicinal herb is its sensory intensity, and if it does not bite back, it is not working. Here is what to look for when evaluating each herb:
Osha Root
Aroma: Premium Osha Root should hit you immediately with a sharp, pungent, almost medicinal scent that is simultaneously peppery and celery-like. This aroma indicates high volatile oil content. If the root smells faint or musty, the volatile terpenes have likely oxidized or were never present in sufficient quantity.
Appearance: Look for dark brown to nearly black root pieces with visible fibrous texture. The cross-section should reveal a resinous interior. Avoid pale, dried-out pieces that snap cleanly without any pliability.
Taste: When chewed or tasted as a tincture, quality Osha should produce an immediate warming, numbing sensation in the mouth and throat. This is the Z-ligustilide at work. A flat or purely bitter taste without the characteristic warmth suggests inferior material.
Stinging Nettle
Aroma: Dried Nettle should smell distinctly green and hay-like, with a slight mineral edge. If it smells stale or like old paper, the volatile compounds have degraded.
Appearance: Premium Nettle leaf retains a deep green color, not brown or yellowish. Browning indicates over-drying or excessive age. The leaves should be intact enough to identify their serrated shape.
Taste: A brisk, slightly astringent flavor with a pronounced mineral, almost "green blood" quality. This mineral intensity reflects the iron and silica content that makes Nettle so valuable.
Dandelion Root
Aroma: Dried Dandelion Root should have a warm, earthy, slightly sweet scent with hints of roasted coffee. A sour or musty smell indicates improper drying or storage.
Appearance: Quality root pieces will be dark brown on the exterior with a lighter, cream-colored interior. They should feel dense and dry, snapping rather than bending.
Taste: Distinctly bitter on first contact, which is medicinal, followed by a subtle earthy sweetness from the inulin content. The bitterness should be clean and crisp, not rancid. For tips on keeping all of your herbs at peak quality, our guide on how to buy, store, and use herbs in bulk is essential reading.
The Synergy: Why Osha, Nettle, and Dandelion Work Together
These three herbs create a layered immune defense strategy that addresses the respiratory, nutritive, and detoxification pillars of immunity simultaneously. Rather than hammering a single pathway, this combination supports the body's own intelligence at multiple levels.
Layer 1, Respiratory Defense (Osha Root): Opens airways, delivers direct antimicrobial and antiviral volatile compounds, and modulates respiratory inflammation. This is your acute, frontline response.
Layer 2, Nutritive Foundation (Stinging Nettle): Replenishes the mineral reserves, especially iron, zinc, and vitamin C, that immune cells burn through rapidly during an immune response. Nettle also calms excessive histamine reactions that can divert immune resources. This is your foundational builder.
Layer 3, Detoxification Support (Dandelion Root): Clears metabolic waste and supports liver function, ensuring the body's internal environment stays clean enough for immune cells to operate efficiently. Feeds beneficial gut bacteria through prebiotic inulin, reinforcing the gut-immune axis. This is your deep cleanse.
Together, they do not merely "boost" immunity, they create the conditions under which your immune system can function as it was designed to. This approach, supporting multiple systems rather than overstimulating one, reflects a regenerative philosophy that mirrors how we think about soil health at I·M·POSSIBLE Farm. You can explore our Regen Ag Lab microbial activity data to understand how this same systems-thinking applies below ground.
DIY Immune-Boosting Tincture Recipe: Osha, Nettle, and Dandelion Blend
This three-herb tincture blend combines respiratory defense, mineral nourishment, and detoxification support into a single, daily-use immune formula. Making your own tincture is a rewarding process that connects you to a long lineage of herbal self-reliance.
Ingredients
2 tablespoons dried Osha Root, roughly chopped. 1 tablespoon dried Stinging Nettle leaf. 1 tablespoon dried Dandelion Root, cut and sifted. 10-12 oz of 80-proof vodka or brandy (for an alcohol-free option, use raw apple cider vinegar). One pint-sized glass mason jar with a tight-fitting lid.
Instructions
Step 1: Place all three dried herbs into the clean, dry mason jar. The Osha Root should comprise the largest portion, roughly half the total plant material, since it is the primary active ingredient in this formula.
Step 2: Pour the alcohol over the herbs, ensuring they are fully submerged with at least one inch of liquid above the plant material. If the herbs absorb the alcohol and rise above the surface, top off with additional solvent.
Step 3: Seal the jar tightly and label it with the date and contents. Store in a cool, dark cabinet for 4 to 6 weeks. Shake the jar gently every day or two to encourage extraction.
Step 4: After 4 to 6 weeks, strain the liquid through cheesecloth or a fine mesh strainer into a clean amber glass bottle. Squeeze the plant material to extract every drop of concentrated extract.
Ritual and Intention
At Sacred Plant Co, we believe that how you engage with your medicine matters. Before sealing your tincture jar, take a moment to set an intention for it. Hold the jar, take a breath, and quietly acknowledge the plants that gave their body for your healing. This is not metaphor; the act of mindful preparation shifts you into a parasympathetic state that improves nutrient absorption and immune signaling. Herbalism has always been as much about the relationship as the remedy.
Dosage
For general daily immune maintenance, take 1 to 2 droppersful (approximately 30 to 60 drops) once or twice daily. Add to a small amount of warm water or take directly under the tongue for fastest absorption. During acute immune challenges or at the first sign of respiratory discomfort, increase to 2 droppersful every 3 to 4 hours for the first 24 to 48 hours, then return to maintenance dosing. For those interested in other preparation methods, our guide to making Osha Root tea offers an excellent complementary approach.
Safety Considerations, Contraindications, and Side Effects
While these three herbs have long histories of safe traditional use, each carries specific contraindications that must be understood before beginning any herbal regimen. We always recommend consulting a qualified healthcare provider, especially if you are pregnant, nursing, taking prescription medications, or managing a chronic health condition.
Osha Root
Contraindications: Osha Root should not be used during pregnancy, as it is a traditional emmenagogue (stimulates uterine contractions). It should be avoided by individuals with kidney disease or those taking blood-thinning medications without medical guidance. Because Osha is in the Apiaceae (carrot/parsley) family, individuals with allergies to this plant family should exercise caution.
Important Safety Note: Osha Root can be confused with Poison Hemlock (Conium maculatum), a deadly plant in the same family. Never wildcraft Osha unless you have expert-level botanical identification skills. This is one of the strongest arguments for purchasing from a trusted, tested source.
Stinging Nettle
Contraindications: Nettle may interact with blood-thinning medications (due to its Vitamin K content), blood pressure medications, diuretics, and diabetes medications (it may lower blood sugar). Pregnant and nursing individuals should consult their healthcare provider before use.
Side Effects: Mild digestive upset is occasionally reported. Some individuals may experience allergic reactions, particularly those with sensitivities to plants in the Urticaceae family.
Dandelion Root
Contraindications: Dandelion should be avoided by individuals with bile duct obstruction, active gallstones, or known allergies to plants in the Asteraceae (daisy) family. It may interact with certain antibiotics (by reducing absorption), lithium, diuretics, and blood sugar-lowering medications.
Side Effects: Mild digestive stimulation, including increased stomach acid, is possible. Dandelion is a mild diuretic, so adequate water intake is recommended.
General Energetic Considerations
From a Traditional Chinese Medicine (TCM) perspective, Osha Root and Dandelion Root are considered warming and cooling respectively, making them a balanced pairing. Nettle is considered neutral to slightly cooling. Individuals who tend toward extreme cold constitution patterns may want to emphasize Osha in their formula, while those running hot may benefit from a higher proportion of Dandelion and Nettle. Listening to your body's response and adjusting ratios accordingly is part of the art of herbalism.
Transparency and Lab Testing
At Sacred Plant Co, we believe that trust begins with transparency. Every batch of herbs and tinctures we carry is supported by third-party lab testing to verify identity, purity, and the absence of contaminants like heavy metals, pesticides, and microbial pathogens. A Certificate of Analysis (COA) is available for every product.
If you would like to understand what all those numbers on a lab report actually mean, our guide on how to read a Certificate of Analysis explains it in plain language.
Request COA by Lot #Frequently Asked Questions
What is the best immune-boosting tincture for respiratory health?
Osha Root Tincture is widely regarded as one of the most effective herbal tinctures for respiratory immune support. Its active compound Z-ligustilide delivers anti-inflammatory, antiviral, and bronchodilating effects that make it a first-choice herb for colds, coughs, sore throats, and upper respiratory congestion. For daily foundational support, pairing it with Stinging Nettle and Dandelion Root provides layered protection across multiple body systems.
Can I take Osha Root, Nettle, and Dandelion Root tinctures together?
Yes, these three herbs are traditionally complementary and can be taken together safely for most adults. Osha provides respiratory defense, Nettle delivers mineral nourishment, and Dandelion Root supports liver detoxification. Together they create a well-rounded immune support strategy. As with any herbal regimen, consult your healthcare provider if you are pregnant, nursing, or taking medications.
How long does it take for immune-boosting tinctures to work?
Most people notice effects from herbal tinctures within 15 to 45 minutes of sublingual dosing, with cumulative benefits building over 2 to 4 weeks of consistent daily use. Tinctures are absorbed faster than capsules or teas because the alcohol or glycerin base carries active compounds directly through the mucous membranes. For acute situations like the onset of a cold, higher-frequency dosing every 3 to 4 hours can accelerate response.
Is Osha Root safe to use long-term?
Osha Root is best used as a short-term acute remedy or in cycles rather than as a continuous daily supplement. Most herbalists recommend using Osha intensively for 7 to 14 days during illness or high-exposure periods, then cycling off. For ongoing daily immune maintenance, Stinging Nettle and Dandelion Root are better suited to long-term use, with Osha added in during seasonal transitions or at the first sign of respiratory challenge.
What is the difference between an alcohol-based and alcohol-free tincture?
Alcohol-based tinctures extract a wider spectrum of phytochemicals, including both water-soluble and fat-soluble compounds, and have a longer shelf life (typically 3 to 5 years). Alcohol-free options, usually made with vegetable glycerin or apple cider vinegar, are gentler but may not extract certain compounds as effectively. For Osha Root specifically, alcohol extraction is generally preferred because it captures the volatile terpenes and phthalides that drive its respiratory effects.
How should I store my herbal tinctures?
Store tinctures in amber or dark glass bottles in a cool, dark location away from direct sunlight and heat. A kitchen cabinet away from the stove is ideal. Alcohol-based tinctures do not need refrigeration and will maintain potency for 3 to 5 years when stored properly. Glycerin-based or vinegar-based preparations should be refrigerated and used within 12 to 18 months.
What does "regenerative" mean when it comes to herbal quality?
Regenerative agriculture focuses on rebuilding soil biology and ecosystem health rather than merely avoiding synthetic inputs. At Sacred Plant Co, our regenerative practices at I·M·POSSIBLE Farm have documented a 400% increase in soil microbial activity. Why does this matter for your tincture? Because plants grown in biologically rich soil produce significantly more secondary metabolites, the flavonoids, terpenes, and alkaloids that are the actual active medicine. Healthy soil equals more potent herbs.
Strengthen Your Defenses: Begin the Journey with Intention
True immunity is not built by a single pill or a panicked response to the first sneeze of the season. It is cultivated over time, through nourishment, through clearing, through honoring the intelligence of both the body and the plants that support it. Osha Root, Stinging Nettle, and Dandelion Root represent a time-tested approach to immune resilience, one that works with the body's own systems rather than overriding them.
At Sacred Plant Co, we carry these herbs because we trust them. We trust the soil they were connected to, the traditional knowledge that identified their value, and the modern science that continues to validate what healers have known for centuries. Whether you choose our concentrated tinctures or craft your own from our bulk herbs, you are participating in a practice that stretches back generations and forward into a more regenerative future.
Your immune system is waiting. Give it something real to work with.
References
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- Leon A, Del-Angel M, Avila JL, et al. "Phthalides: Distribution in nature, chemical reactivity, synthesis, and biological activity." Progress in the Chemistry of Organic Natural Products. 2017;104:127-246. doi:10.1007/978-3-319-45618-8_2
- Upton R, editor. "Stinging Nettles Leaf: Urtica dioica; Urtica urens." American Herbal Pharmacopoeia and Therapeutic Compendium. 2013. Reviewed in: Kregiel D, et al. Molecules. 2018;23(7):1664. doi:10.3390/molecules23071664
- Riehemann K, Behnke B, Schulze-Osthoff K. "Plant extracts from stinging nettle (Urtica dioica), an antirheumatic remedy, inhibit the proinflammatory transcription factor NF-kappaB." FEBS Letters. 1999;442(1):89-94. doi:10.1016/s0014-5793(98)01622-6
- Zhang X, Xiong H, Liu L. "Effects of taraxasterol on inflammatory responses in lipopolysaccharide-induced RAW 264.7 macrophages." Journal of Ethnopharmacology. 2012;141(1):206-211. doi:10.1016/j.jep.2012.02.020
- Wirngo FE, Lambert MN, Jeppesen PB. "The Physiological Effects of Dandelion (Taraxacum Officinale) in Type 2 Diabetes." The Review of Diabetic Studies. 2016;13(2-3):113-131. doi:10.1900/RDS.2016.13.113
- Bone K, Mills S. Principles and Practice of Phytotherapy: Modern Herbal Medicine. 2nd ed. Churchill Livingstone/Elsevier; 2013.
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