At Napiers the Herbalists, we believe in the power of plants. Herbal remedies have supported human health for thousands of years, and continue to play a vital role today.
Whether you're new to herbs or a seasoned enthusiast, these 50 facts will help you better understand how herbs work and why they matter.
Jump to a Section:
- General Herbal Facts
- Digestive & Gut Health
- Sleep & Nervous System
- Immune Support
- Women’s Health
- Heart & Circulation
- Skin & Detoxification
- Brain & Cognitive Health
- Herbalism & Daily Life
General Herbal Facts
- Herbal medicine is one of the oldest forms of healthcare in the world, with roots dating back over 5,000 years.
- Over 80% of the world’s population relies on traditional herbal medicine as part of their primary healthcare.1
- Many modern pharmaceutical drugs are derived from plant compounds — aspirin, for example, was originally derived from willow bark.2
- In the UK, medical herbalists undergo rigorous clinical training and must be registered with professional bodies like the National Institute of Medical Herbalists.
- Herbs often work synergistically in blends — meaning their combined effect is greater than the sum of their parts.
- The WHO recognises the importance of integrating traditional medicine into national health systems.3
- Unlike isolated chemical drugs, whole-plant extracts can contain hundreds of compounds that interact with the body in complex ways.
- Herbal medicine supports the body’s natural healing processes, rather than suppressing symptoms alone.
Digestive & Gut Health
- Peppermint is a natural antispasmodic and is clinically shown to relieve symptoms of IBS.4
- Chamomile can calm digestive spasms and is often used for colicky babies and indigestion.
- Slippery elm and marshmallow root are mucilaginous herbs that soothe the gut lining.
- Bitter herbs like gentian, dandelion and artichoke leaf stimulate digestive enzymes and bile.
- Ginger can improve gastric motility and reduce bloating and nausea.5
- Fennel seed tea is traditionally used to ease gas and bloating after meals.
Sleep & Nervous System
- Valerian root has been shown in studies to improve sleep latency and quality.6
- Passionflower is a gentle herb often used for anxiety and sleeplessness.
- Lemon balm is calming, mood-lifting and helps reduce restlessness.
- Ashwagandha is an adaptogen that helps the body manage chronic stress.
- Lavender is clinically studied for anxiety and improves sleep when used as aromatherapy.7
- Oat straw nourishes and strengthens the nervous system and is ideal for long-term stress.
Immune Support
- Echinacea is one of the most studied herbs for immune support and may reduce the severity of cold symptoms.8
- Elderberry contains anthocyanins which may help reduce viral replication and shorten cold durations.9
- Astragalus supports white blood cell activity and immune resilience during stress.
- Thyme is a powerful antimicrobial used for chesty coughs and throat infections.
- Garlic contains allicin, a compound with broad-spectrum antibacterial and antiviral properties.10
- Liquorice root is both antiviral and soothing to the mucous membranes.
Women’s Health
- Agnus castus (chasteberry) may help regulate the menstrual cycle and reduce PMS.11
- Dong quai has a long tradition in Traditional Chinese Medicine to support hormonal balance.
- Raspberry leaf tea is used to tone the uterus in preparation for labour.
- Wild yam contains compounds that have been traditionally used to support menopausal symptoms.
- Black cohosh may reduce hot flushes and night sweats during menopause.12
- Nettle is rich in iron and used to support heavy periods or postnatal recovery.
Heart & Circulation
- Hawthorn berry supports cardiovascular function and may prescribed by herbalists to support allopathic medicine for mild heart failure.13
- Garlic may reduce blood pressure and cholesterol.14
- Cayenne pepper increases circulation and may support sluggish or cold extremities.
- Ginkgo biloba has been studied for improving circulation and cognitive function.
- Motherwort is a traditional heart tonic and nervous system calmative.
Skin & Detoxification
- Burdock root is a classic blood purifier that supports skin conditions like acne and eczema.
- Calendula is antimicrobial and promotes wound healing when used topically.
- Milk thistle is rich in silymarin and supports liver detoxification pathways.15
- Dandelion supports both liver and kidney function, aiding natural detox.
- Cleavers is a lymphatic tonic, often used in spring cleanses.
Brain & Cognitive Health
- Rosemary may help improve memory and focus , even the scent boosts alertness.
- Bacopa (Brahmi) is a nootropic herb used to support memory and learning.
- Sage may help support some symptoms of mild Alzheimer’s disease.16
- Gotu kola is traditionally used in Ayurvedic and Chinese medicine for mental clarity.
Herbalism & Daily Life
- Teas, tinctures, capsules and creams are just a few of the ways to enjoy herbs daily.
- Many common culinary herbs like rosemary, oregano and thyme have potent antimicrobial and antioxidant effects.
- Drinking herbal teas like nettle or red clover can offer nutritional support from minerals and trace elements.
- The scent of herbs (via essential oils) can influence the limbic system and affect mood and memory.
References
- WHO: Traditional Medicine
- Mahdi, JG. (2010). Medicinal potential of willow. Research Gate
- WHO: Traditional Medicine
- About Peppermint Oil. NHS
- Hu et al. (2011). World Journal of Gastroenterology. PubMed
- Yeom et al. (2024). Herbal and Natural Supplements for Improving Sleep: A Literature Review. PubMed
- Ghavami et al. (2022). The effect of lavender on stress in individuals: A systematic review and meta-analysis Science Direct
- NCCIH (2024). Echinacea. NCCIH
- Wieland et al. (2021). Research Gate
- Ankri et al. (1999). Antimicrobial properties of allicin from garlic Pub Med
- Höller et al. (2024). Use of Vitex agnus-castus in patients with menstrual cycle disorders: a single-center retrospective longitudinal cohort study. PubMed
- NIH (2020). Black Cohosh. NIH
- Wang et al. (2013). Effect of Crataegus Usage in Cardiovascular Disease Prevention: An Evidence-Based Approach. PubMed
- NIH. (2025). Garlic. NIH
- NIH. (2024). Milk Thistle. NIH
- Lopresti A L. (2016). Salvia (Sage): A Review of its Potential Cognitive-Enhancing and Protective Effects. PubMed