Infusion (hot water, covered)
Pour water just off the boil over 1–2 tsp of leaf or flower, cover, steep 8–10 minutes, strain. Covering matters: the aromatic oils leave with the steam.
Leaves and flowers — tulsi, thyme, chamomile, catnip, calendula
Practical reference
How to actually use every plant in the library: the part that carries the medicine, the preparation that extracts it, when to take it and how much. Start with the four base methods, then look up your herb below.
Pour water just off the boil over 1–2 tsp of leaf or flower, cover, steep 8–10 minutes, strain. Covering matters: the aromatic oils leave with the steam.
Leaves and flowers — tulsi, thyme, chamomile, catnip, calendula
Simmer 1 tsp of root, bark or seed in 2 cups of water until it reduces to about 1 cup (15–20 minutes), then strain.
Hard material — ginger, cinnamon, giloy, neem bark, reishi
Stir 1/4–1/2 tsp of powder into warm milk, water, ghee or honey. The fat or warm liquid is the carrier (anupana) that moves the herb where it is needed.
Roots and fruits — ashwagandha, shatavari, triphala, amla
Infuse the herb in warm oil over a water bath for 30–45 minutes, or mix powder with water into a paste. Always patch test on the inner forearm for 24 hours first.
Skin and joints — calendula, neem, brahmi, turmeric
60 herbs
Usable parts: Root · Leaf
Daily amount: 300-600 mg of root extract daily, or 3-6 g of root powder (churna). Effects build over 4-8 weeks of continuous use.
Avoid / take care: Avoid in pregnancy · Caution with hyperthyroidism and with thyroid medication · May interact with sedatives and immunosuppressants
Usable parts: Rhizome (root) · Fresh root
Daily amount: 1-3 g of dried powder daily with food. Absorption improves markedly with black pepper and a fat such as ghee or oil.
Avoid / take care: High doses may worsen reflux or gallstone conditions · May increase bleeding risk with anticoagulants · Pause therapeutic doses before surgery
Usable parts: Fruit
Daily amount: 1/2 to 1 tsp of powder, or 500-1000 mg in tablet form, once daily. Suitable for long-term use.
Avoid / take care: Start at a low dose; too much causes loose stools · Avoid in pregnancy and during acute diarrhoea · Take two hours apart from other medication
Usable parts: Leaf · Seed · Whole plant
Daily amount: 2-4 fresh leaves chewed daily, or 300-600 mg extract, or one to two cups of tea.
Avoid / take care: May thin the blood; caution with anticoagulants · Avoid high doses when trying to conceive · Do not add honey to boiling liquid
Usable parts: Leaf · Whole plant
Daily amount: 300 mg of standardised extract, or 1-2 g powder daily, taken with a fat for absorption.
Avoid / take care: Can cause nausea or cramping if taken without food · May slow thyroid medication absorption · Mildly sedating when combined with other calming herbs
Usable parts: Rhizome (root)
Daily amount: Up to 1 g dried powder or 3 g fresh root daily, split across doses.
Avoid / take care: Reduce with active gastritis, ulcers or reflux · High doses may interact with blood thinners · Keep under 1 g/day in pregnancy
Usable parts: Fruit · Seed · Leaf
Daily amount: 1-3 g powder daily, one fresh fruit, or 20 ml juice diluted in water.
Avoid / take care: Sourness can aggravate reflux in sensitive people · May lower blood sugar; monitor if diabetic · Avoid large doses with bleeding disorders
Usable parts: Leaf · Bark · Twig · Seed oil · Root bark
Daily amount: Short courses only: 250-500 mg powder daily for 2-4 weeks, then a break.
Avoid / take care: Not for children, pregnancy or while breastfeeding · Avoid long continuous internal use; can stress the liver · May lower blood sugar and reduce fertility at high doses
Usable parts: Root (tuber)
Daily amount: 3-6 g of powder daily, usually taken in warm milk.
Avoid / take care: Avoid with asparagus allergy · May not suit high Kapha or oedema-prone conditions · Consult a clinician with hormone-sensitive conditions
Usable parts: Gum resin from bark
Daily amount: Typically 500 mg of purified guggulu two to three times daily, after food.
Avoid / take care: Avoid in pregnancy and with thyroid medication · Can cause skin rash or stomach upset · Interacts with statins and blood thinners
Usable parts: Seed · Leaf
Daily amount: 5-10 g of seeds daily, soaked overnight, or 1 tsp powder.
Avoid / take care: Can lower blood sugar; monitor with diabetes medication · Avoid therapeutic doses in pregnancy · May cause a maple-like body odour
Usable parts: Root
Daily amount: 1-2 g powder daily, short courses of no more than 4-6 weeks.
Avoid / take care: Raises blood pressure and lowers potassium with prolonged use · Avoid with hypertension, kidney disease or in pregnancy · Interacts with diuretics and corticosteroids
Usable parts: Bark · Tender leaf · Root bark · Fruit
Daily amount: Bark decoction (kwatha) 20-40 ml once or twice daily, or 1-3 g of dried bark powder. Use in short courses.
Avoid / take care: Do not harvest bark from roadside or sprayed trees · Avoid internal use in pregnancy without supervision · Latex from cut leaves can irritate sensitive skin
Usable parts: Seed · Bark · Fruit · Leaf
Daily amount: 1-3 g of dried seed powder daily with water, or fruit in season.
Avoid / take care: Can lower blood sugar; monitor closely with diabetes medication · Avoid the fruit on an empty stomach · Stop two weeks before surgery
Usable parts: Leaf · Bark · Fruit
Daily amount: One to two cups of leaf tea daily (about 3-6 g dried leaf), in short courses.
Avoid / take care: Excess can cause constipation · May lower blood sugar; monitor with diabetes medication · Avoid concentrated extracts in pregnancy
Usable parts: Leaf · Flower · Bark · Seed
Daily amount: 10-20 ml of fresh leaf juice, or 2-4 leaves boiled as a decoction, once daily.
Avoid / take care: Very bitter; can cause nausea on an empty stomach · Avoid in pregnancy and while breastfeeding · Keep courses short and take breaks between them
Usable parts: Bark · Aerial root · Leaf · Latex
Daily amount: Bark decoction 20-40 ml daily, or 1-3 g bark powder, in short courses.
Avoid / take care: Strongly astringent; can dry the gut with prolonged use · Avoid internal use in pregnancy · Not for people with constipation-prone digestion
Usable parts: Leaf · Leaf oil
Daily amount: External and inhaled use only: 2-3 drops of essential oil in a steam bowl, or 1-2% dilution in carrier oil.
Avoid / take care: Never swallow eucalyptus essential oil — it is toxic even in small amounts · Do not apply on or near the face of infants and young children · Avoid during an asthma flare unless your clinician has approved it
Usable parts: Flower · Leaf · Root
Daily amount: Tea: 1-2 g dried flower per cup, up to 2 cups daily. External hair use as needed.
Avoid / take care: May lower blood pressure — care if you already take antihypertensives · Avoid medicinal doses in pregnancy · Sour and cooling; can unsettle very weak digestion in cold weather
Usable parts: Flower bud · Bud oil
Daily amount: Culinary use freely; 1-2 buds chewed or 250-500 mg powder daily. Oil for external and dental use only, diluted.
Avoid / take care: Clove oil is strong — never use it undiluted on gums or swallow it · Large doses may increase bleeding risk with blood thinners · Very heating; reduce with high Pitta, acidity or ulcers
Usable parts: Leaf · Whole plant
Daily amount: Powder 1-3 g daily with warm water, or oil applied to the scalp 2-3 times a week.
Avoid / take care: Very cooling — may aggravate cold hands, feet or sluggish digestion · Patch test the oil; some people react to the raw leaf paste · Avoid internal use in pregnancy without professional advice
Usable parts: Root · Stem
Daily amount: Powder 1-3 g daily with warm water; usually taken in 6-8 week courses.
Avoid / take care: Can tint urine and stools orange-red — harmless but expected · Avoid in pregnancy and while breastfeeding · Very cooling; pair with ginger if digestion is weak
Usable parts: Root · Leaf · Whole plant
Daily amount: Powder 1-3 g twice daily with warm water, or as a decoction.
Avoid / take care: Do not self-treat swelling that is sudden, painful or one-sided — see a doctor · Avoid alongside prescription diuretics without medical advice · Not recommended in pregnancy
Usable parts: Seed · Root
Daily amount: Powder 1-3 g daily with warm milk or water; start low and build slowly.
Avoid / take care: Do not combine with levodopa, MAOIs or antidepressants without medical supervision · Avoid in pregnancy, breastfeeding and with psychiatric medication · Raw seed hairs are irritant — use only prepared powder
Usable parts: Fruit · Seed · Leaf
Daily amount: 30-50 ml fresh juice on an empty stomach, or 1-2 g dried fruit powder daily.
Avoid / take care: Can lower blood sugar — monitor closely if you take diabetes medication · Avoid in pregnancy; seeds are not suitable for children · Excess juice may cause cramps or loose stools
Usable parts: Leaf · Flowering top · Essential oil
Daily amount: 1-2 g dried leaf as tea, up to twice daily. Diluted essential oil for external use only.
Avoid / take care: Avoid medicinal doses in pregnancy · Undiluted essential oil must never be swallowed · Large amounts may irritate an already acidic stomach
Usable parts: Flower
Daily amount: 1 cup of tea from 2-3 g dried flowers, one to three times daily.
Avoid / take care: Avoid if allergic to ragweed, daisies or marigold · May add to the effect of sedatives — check with your doctor · Very strong brews can be nauseating on an empty stomach
Usable parts: Inner bark · Leaf · Bark oil
Daily amount: 1-3 g powdered bark daily, or one small stick simmered in water or milk.
Avoid / take care: Prefer true (Ceylon) cinnamon for daily use; cassia is high in coumarin · Monitor closely if you take blood-sugar or blood-thinning medication · Avoid large medicinal doses in pregnancy
Usable parts: Leaf · Root · Seed
Daily amount: 2-4 g dried leaf as tea, two to three times daily; root is used separately.
Avoid / take care: Never eat raw — fresh leaves sting until cooked or dried · Care if you take diuretics, blood-pressure or blood-sugar medication · Avoid medicinal doses in pregnancy
Usable parts: Fruiting body · Spore
Daily amount: 1.5-3 g dried mushroom or 1 g dual-extract powder daily.
Avoid / take care: Avoid with blood thinners or before surgery — may slow clotting · Care if you take immunosuppressants · Stop if it causes dryness of mouth, rash or upset stomach
Usable parts: Root · Leaf
Daily amount: 1-2 g dried root powder daily, or standardised forskolin extract as directed.
Avoid / take care: Can lower blood pressure — avoid with antihypertensive medication unless supervised · Avoid with blood thinners and before surgery · Not for use in pregnancy or with active stomach ulcers
Usable parts: Grain · Sprout · Grass
Daily amount: Barley water 1-2 cups daily, or barley used as a grain in place of rice or wheat.
Avoid / take care: Contains gluten — avoid in coeliac disease or gluten sensitivity · Its drying nature can aggravate Vata if taken excessively · Take separately from medicines; the fibre can slow absorption
Usable parts: Spear (young shoot) · Root
Daily amount: A regular food portion, 100-200 g cooked spears, several times a week.
Avoid / take care: Avoid medicinal doses with kidney disease or on strong diuretics · Can cause gas and a strong smell in urine — both harmless · Rare allergy in people sensitive to onions, garlic and lilies
Usable parts: Leaf · Pod · Seed · Bark
Daily amount: Leaf powder 2-4 g (about half to one teaspoon) daily; fresh leaves and pods as food.
Avoid / take care: Avoid root and root bark entirely, and avoid medicinal doses in pregnancy · May add to the effect of blood-pressure, thyroid and diabetes medication · Large amounts on an empty stomach can loosen the bowels
Usable parts: Stem · Leaf · Root
Daily amount: Stem powder 1-3 g twice daily, or 20-30 ml of fresh stem decoction.
Avoid / take care: Avoid with autoimmune disease — it stimulates immune activity · Rare reports of liver injury with prolonged, unsupervised use · Stop before surgery and check with a doctor if on diabetes medication
Usable parts: Pod · Seed
Daily amount: 2-3 pods a day, or 250-500 mg of ground seed.
Avoid / take care: Culinary amounts are safe; keep concentrated extracts out of pregnancy · May lower blood pressure slightly — watch if already on medication · Avoid high doses with gallstones
Usable parts: Fruit (peppercorn)
Daily amount: A pinch to 500 mg of freshly ground pepper with meals.
Avoid / take care: Reduce with acid reflux, gastritis or ulcers — it is strongly heating · Piperine raises blood levels of many drugs; check with a pharmacist · Keep to culinary amounts in pregnancy
Usable parts: Seed · Bulb · Leaf
Daily amount: 1-2 teaspoons of seed daily, whole or as tea.
Avoid / take care: Avoid concentrated fennel oil in pregnancy and for infants · Mild oestrogen-like activity — caution with hormone-sensitive conditions · Possible cross-reaction if you are allergic to carrot or celery
Usable parts: Leaf gel · Leaf
Daily amount: Fresh inner gel 10-20 ml daily; topically as needed.
Avoid / take care: Never take the yellow latex under the skin — it is a harsh laxative · Avoid internal use in pregnancy, breastfeeding and for children · May lower blood sugar and potassium; caution with diabetes or diuretics
Usable parts: Leaf · Whole plant
Daily amount: Powder 1-2 g daily, or 30-60 ml of fresh leaf juice.
Avoid / take care: Avoid in pregnancy and with active liver disease · Can deepen the effect of sedatives and anti-anxiety medication · Take in cycles of 6 weeks with a break rather than continuously
Usable parts: Stigma (thread)
Daily amount: A few threads (about 30 mg) daily; do not exceed 1.5 g a day.
Avoid / take care: High doses (above 5 g) are toxic and can cause bleeding · Avoid medicinal doses in pregnancy without a practitioner's guidance · May add to the effect of antidepressants and blood thinners
Usable parts: Leaf · Stalk · Essential oil
Daily amount: 1-2 cups of tea daily from 1 teaspoon dried or 1 fresh stalk.
Avoid / take care: Avoid medicinal doses and the essential oil internally in pregnancy · Undiluted oil irritates skin — always dilute in a carrier oil · Very frequent strong tea may not suit people with low blood pressure
Usable parts: Leaf · Essential oil
Daily amount: A handful of fresh leaves daily, or 1-2 cups of mint tea.
Avoid / take care: Peppermint can worsen reflux by relaxing the valve at the top of the stomach · Do not apply mint oil to the face of infants or small children · Avoid concentrated oil with gallstones or severe liver disease
Usable parts: Leaf · Essential oil
Daily amount: 1-2 cups of fresh leaf tea daily, or 300-600 mg dried leaf in capsules.
Avoid / take care: Use cautiously in pregnancy and thyroid conditions · May interact with thyroid medication · Avoid very long-term continuous use without breaks
Usable parts: Young grass · Leaf
Daily amount: 30 ml fresh juice daily on an empty stomach, or 3-5 g powder in water.
Avoid / take care: Avoid if you have a wheat allergy or celiac disease · Start small; larger doses can cause nausea or diarrhoea · Consult a clinician during pregnancy or illness
Usable parts: Root · Rhizome
Daily amount: 500-1000 mg dried root powder daily, or 2-4 ml tincture, for short courses only.
Avoid / take care: Avoid in pregnancy and breastfeeding · Not for long-term or high-dose use · Caution with high blood pressure
Usable parts: Flower · Flower oil · Leaf
Daily amount: 1-2 tsp dried flowers as tea, or 2-4 drops essential oil in a diffuser.
Avoid / take care: Use essential oil diluted on skin · Avoid large internal doses in pregnancy · May enhance the effect of sedatives
Usable parts: Root · Rhizome
Daily amount: 60-250 mg kavalactones daily in divided doses, or as a traditional cold-water preparation.
Avoid / take care: Avoid with alcohol and liver disease · Not for use in pregnancy or breastfeeding · Check legality in your country
Usable parts: Root · Rhizome
Daily amount: 300-600 mg standardized root extract 30-60 minutes before bed.
Avoid / take care: Do not take before driving or operating machinery · Avoid with alcohol and sedatives · Not for use in pregnancy or breastfeeding
Usable parts: Leaf · Flower · Stem
Daily amount: 1-2 g dried herb as tea, or 200-400 mg extract twice daily.
Avoid / take care: Avoid in pregnancy · Caution with sedatives and antidepressants · Stop before surgery
Usable parts: Leaf · Sprout · Seed
Daily amount: 5-10 g dried leaf daily as tea, or a handful of sprouts in food.
Avoid / take care: Avoid with blood-thinning medication such as warfarin · Not for use with immunosuppressive drugs · Use sprouts cautiously in pregnancy
Usable parts: Seed · Leaf
Daily amount: 1-2 g seeds as tea, or 0.3-2 ml essential oil in appropriate dilution.
Avoid / take care: Avoid large doses in pregnancy · Use essential oil only in tiny, diluted amounts · Caution with hormone-sensitive conditions
Usable parts: Root
Daily amount: 4-8 g dried root daily as decoction, or 250-500 mg extract twice daily.
Avoid / take care: Do not use during acute fever or infection · Avoid with immunosuppressive medication · Consult a clinician in pregnancy
Usable parts: Leaf · Flower
Daily amount: 1-2 tsp dried leaf and flower as tea, twice daily.
Avoid / take care: Avoid medicinal doses in pregnancy · Caution with thyroid conditions · Do not apply undiluted essential oil to skin
Usable parts: Fruit · Leaf
Daily amount: 20-60 g dried fruit daily, or 80-160 mg extract twice daily.
Avoid / take care: Monitor blood sugar if taking diabetes medication · Caution with blood-thinning medication · Avoid high doses in pregnancy
Usable parts: Bark · Fruit
Daily amount: 2-4 ml bark tincture twice daily, or bark decoction, short-term.
Avoid / take care: Never chew or consume the pits — they contain cyanide · Avoid in pregnancy and breastfeeding · Short-term use only
Usable parts: Gum resin · Bark
Daily amount: 300-500 mg standardized extract two to three times daily with food.
Avoid / take care: Consult a clinician in pregnancy · Caution with blood-thinning medication · Avoid high doses if you have reflux
Usable parts: Leaf · Flowering top
Daily amount: Culinary amounts are safe; medicinal tea uses 1-2 tsp dried leaf per cup, 1-3 cups daily.
Avoid / take care: Avoid large medicinal doses in pregnancy · May stimulate the thyroid in very high amounts · Caution with blood-thinning medication
Usable parts: Flower · Leaf
Daily amount: 1-2 tsp dried flowers per cup of tea, or 1-2 ml tincture, 2-3 times daily.
Avoid / take care: Avoid in pregnancy and while breastfeeding · Skip if allergic to ragweed, daisies or other Asteraceae plants · Use only Calendula officinalis, not ornamental marigolds
Usable parts: Leaf · Flowering top
Daily amount: 1-2 tsp dried leaf per cup of tea, 1-3 cups daily, especially before bed.
Avoid / take care: Avoid in pregnancy and while breastfeeding · May increase drowsiness with sedative medication · Use sparingly for children under guidance