Maximum Daily and Weekly Doses and Contra-indications of Herbs

Tinctures made to 1:5 strength Max dosage in mLs.
3 x daily
weekly
Achillea millefolium Yarrow 3 50
Acorus calamus Sweet Flag 0.3 – 2 35
Aesculus hippocastanum Horse Chestnut 2.5 50 do not use > 3 months
Agrimonia eupatorium Agrimony 4 85
Agropyron repens Couch Grass 5 100
Alchemilla arvensis Parsley Piert 5 100
Alchemilla vulgare Ladies Mantle 5 100
Aloe vera Aloe (Barbadoes) 3 60
Allium sativum Garlic 5 100
Althea officinalis Marshmallow root 5 100
Anemone pulsatilla Pasque Flower 1 20 must be used dried
Angelica archangelica Angelica 2.5 50
Angelica sinensis Dong quai 2 50 do not use during
pregnancy or with heavy bleeding
Apium graveolens Celery 5 80
Arctium lappa Burdock 1 – 4 80
Arctostaphylos uva-ursi Bearberry 2 30 do not combine with
cranberry juice
Artemisia absinthium Wormwood 1 20 do not use during
pregnancy
Asclepias tuberosa Pleurisy root 4 80
Astragalus membranaceous Milk Vetch 3 60
Avena sativa Oat seed 5 100
Ballota nigra Black Horehound 2 40
Baptisia tinctoria Wild Indigo 2.5 50
Berberis aquifolium Oregon Grape 5 100
Berberis vulgaris Barberry 3 60
Betula alba Silver Birch 5 100
Borago officinalis Borage 3 60 do not use with liver
damage or during pregnancy
Cactus grandiflorus Cactus 2 40
Calendula off. Marigold 5 100
Capsella bursa-pastoris Sheperd’s Purse
Capsicum minimum (1:3) Cayenne 0.5 10
Carbenia benedicta Blessed Thistle 4 80
Cardomom co. conc. Cardamom 2 50
Carduus marianus Milk Thistle 4 80
Carum carvi Caraway 3 60
Caulophyllum
thalictroides
Blue Cohosh 3 60 avoid during pregnancy
Cetraria islandica Iceland Moss 5 100
Chamaelirium luteum False Unicorn 3 60
Chamomilla recutita German Chamomile 5 100 may cause allergies in
sensitive individuals
Chelidonium majus Celandine 2 50
Chionanthus virginica Fringetree 2 40
Cimicifuga racemosa Black Cohosh 3 60
Cola vera Kola 3 60 avoid in people sensitive
to caffeine
Collinsonia canadensis Stone Root 5 100
Commiphora molmol Myrrh 2 30
Convalleria majalis Lily of the Valley 1 20 use with caution – may
precipitate digitalis toxicity
Crataegus oxycanthoides Hawthorn 5 100
Daucus carota Wild Carrot 5 100
Dioscorea villosa Wild Yam 5 100 do not use during
depressive PMS
Echinacea angustifolia Purple Cone Flower 5 100 may be contra-indicated
in auto-immunity
Eleutherococcus
senticosis
Siberian Ginseng 5 100
Ephedra sinica Ma Huang 2 50 avoid during hypertension
Equisetum arvense Horsetail 2 50 reputed to cause
thiaminase deficiency in high doses
Erythrea centaurea Centaury 5 100
Eschscholzia california Californian Poppy 3 60
Eupatorium perfoliatum Boneset 4 80
Eupatorium purpureum Gravel Root 3 60
Euphorbia hirta Spurge 2 40
Euphrasia spp. Eyebright 5 100
Filipendula ulmaris Meadowsweet 5 100
Foeniculum off. Fennel 3 60
Fucus vesiculosis Kelp 5 100
Fumaria off. Fumitory 4 80
Galega off. Goat’s Rue 2 40
Galium aparine Cleavers 5 100 may be contr-indicated in
lymphatic cancers
Gentiana lutea Yellow Gentian 2 40
Geum urbanum Avens 5 100
Ginkgo biloba Ginkgo 2 50
Glechoma hederacea Ground Ivy 5 100
Glycyrrhiza glabra Licorice 3 60 do not use during
pregnancy or hypertension, may cause
water retention
Grindelia camporum Tarweed 1 20
Guaiacum off. Guaiacum 2 50
Hamamelis virginiana Witch Hazel 3 60 do not use >2 months
Harpagophytum procumbens Devil’s Claw 5 100
Humulus lupulus Hops 2 40 do not use during
depression
Hydrangea arborescens Hydrangea 5 10
Hydrastis canadensis Golden Seal 2 50 do not use during
pregnancy or hypertension
Hypericum perforatum St. John’s Wort 4 80 fresh extract may cause
photosensitive dermatitis
Hyssopus off. Hyssop 5 100
Inula helenium Elecampane 5 100
Iris versicolor Blue Flag 5 100
Juniperus communis Juniper 2 40 do not use in cases of
kidney infection, hypertension for > 6
weeks
Lactuca virosa Wild Lettuce 3 60
Lamium album White Dead Nettle 5 100
Larrea spp. Chaparral 2 50 may be implicated in
liver damage
Lavandula off. Lavender 4 80
Leonurus cardiaca Motherwort 5 100
Ligusticum porterii Osha 3 60
Lomatium dissectum Lomatium 4 80
Lycopus virginicus Bugleweed 5 100 do not use in cases of
hypothyroidism
Marrubium vulgare Horehound 5 100
Medicago sativa Alfalfa 5 100
Melilotus off. Melilot 3 60 do not use with
pre-existing anti-coagulant therapy
Melissa off. Lemon Balm 5 100
Mentha piperita Peppermint 3 60
Menyanthes trifoliata Bogbean 3 60
Mitchella repens Partridge Berry 4 80
Myrica cerifera Bayberry 3 60
Nepeta cataria Catnip 5 100
Origanum vulgare Marjoram 5 100
Panax ginseng Korean Ginseng 2 50 use periodically – 2
months on, 1 month off
Parietaria diffusa Pellitory of the Wall
Passiflora incarnata Passion Flower 2 40
Phytolacca spp. Pokeroot 0.4 10 potentially toxic, must
be used fresh
Pimpinella anisum Anise 2 40
Piscidia erythrina Jamaican Dogwood
Plantago lanceolata Plantain 5 100
Polygonum bistorta Bistort 3 60
Populus tremuloides Balm of Gilead 5 100
Potentilla erecta Tormentil 3 60
Propolis Propolis 5 100
Prunus serotina Wild Cherry 4 80
Quercus rubra Red Oak 3 60
Rhamnus purshiana Cascara sagrada 2 – 3/day 30 combine with a
carminative, must be aged bark. Maximum
use 2 months.
Rheum officinalis Turkey Rhubarb 2 40
Rhus aromatica Sweet Sumach 3 60
Rosmarinus off. Rosemary 4 80
Rubus ideaus Raspberry 5 100
Rumex crispus Yellow Dock 5 100
Salix alba White Willow 5 100 do not use in cases of
gout.
Salvia off. Sage 4 80
Sambucus nigra Elderflower 5 100
Sanguinarea canadensis Blood Root 3 60
Scrophularia nodosa Figwort 5 100
Scutalleria lateriflora Skullcap 5 100
Serenoa serrulata Saw Palmetto 2 40
Solidago virgaurea Golden Rod 3 60
Stachys betonica Wood Betony 5 100
Stellaria media Chickweed 5 100
Stillingia sylvatica Queen’s Delight 4 80
Tanacetum parthenium Feverfew 1 20 best used fresh
Taraxacum off. radix Dandelion (root) 5 100
Taraxacum off. herba Dandelion (leaf) 5 100
Thuja occidentalis Arbor vitae 2 40
Thymus vulgaris Thyme 5 100
Tilia europea Linden 5 100
Trifolium pratense Red Clover 5 100
Turnera diffusa Damiana 3 60
Urtica dioica Nettle 5 100
Usnea spp. Usnea 5 100
Vaccinium spp. Bilberry 5 100
Valeriana off. Valerian 3 60 occasionally causes
excitability
Verbascum thapsus (leaf) Mullein 5 100
Verbena off. Blue vervain 5 100
Viburnum opulus Black Haw 5 100
Vinca major Periwinkle 5 100
Viola tricolour Heartsease 5 100
Viola odorata Sweet Violet 5 100
Vitex agnus-castus Chaste Berry 1 20
Zanthoxylum spp. Prickly Ash 2 40
Zea mays Corn Silk 5 100
Zingiber off. Ginger 0.5 10

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