- Vaccinium arctostaphylos
- Vaccinium corymbosum
- Vaccinium myrtillus
- Vaccinium oxycoccos
- Vaccinium stamineum
- Vaccinium uliginosum
- Vaccinium vitis-idaea
- Vachellia cornigera
- Vachellia horrida
- Vachellia nilotica
- Valerian (herb)
- Valeriana celtica
- Valeriana officinalis
- Vallisneria spiralis
- Vateria indica
- Velezia rigida
- Veratrum album
- Veratrum nigrum
- Verbascum blattaria
- Verbascum nigrum
- Verbascum phoeniceum
- Verbascum thapsus
- Verbena bonariensis
- Verbena hastata
- Verbena officinalis
- Verbena urticifolia
- Veronica agrestis
- Veronica anagallis-aquatica
- Veronica aphylla
- Veronica arvensis
- Veronica beccabunga
- Veronica chamaedrys
- Veronica longifolia
- Veronica officinalis
- Veronica peregrina
- Veronica scutellata
- Veronica serpyllifolia
- Veronica spicata
- Veronica triphyllos
- Veronicastrum virginicum
- Viburnum acerifolium
- Viburnum dentatum
- Viburnum lantana
- Viburnum lentago
- Viburnum opulus
- Viburnum prunifolium
- Viburnum tinus
- Vicia benghalensis
- Vicia cracca
- Vicia dumetorum
- Vicia faba
- Vicia lathyroides
- Vicia lutea
- Vicia sativa
- Vicia sepium
- Vicia sylvatica
- Vigna radiata
- Vinca herbacea
- Vinca major
- Vinca minor
- Viola arborescens
- Viola biflora
- Viola canadensis
- Viola canina
- Viola hirta
- Viola lanceolata
- Viola odorata
- Viola palustris
- Viola pedata
- Viola tricolor
- Viscum album
- Vitex agnus-castus
- Vitex negundo
- Vitex pinnata
- Vitex trifolia
- Vitis labrusca
- Vitis vinifera
- Vitis vulpina
- Volkameria inermis
- Vulpia bromoides
- Vulpia myuros
Vaccinium myrtillus
- Bilberry (Vaccinium spp.)
- Also called: blaeberry, whortleberry, hurts, ground hurts, whinberry, winberry, windberry, wimberry, myrtle blueberry and fraughan
- Claimed to: be good for eye problems and night vision. Not effective for either.<wiki/List_of_medicinal_plants#cite_note-bilberry-26"> V. myrtillus is claimed to be an antiseptic and astringent; it is used for diarrhea, as a mouthwash, for skin problems and for burns.<wiki/List_of_medicinal_plants#cite_note-theherbbook-7">
- Safety ratings: Prescribed for diarrhea and inflammation in Germany (but can cause diarrhea<wiki/List_of_medicinal_plants#cite_note-theherbbook-7">)
- Harmful effects: Small doses are safe. Some negative interaction with prescribed anticoagulants.<wiki/List_of_medicinal_plants#cite_note-27">
Vachellia rigidula
- Blackbrush Acacia (Vachellia rigidula)
- Also called: chaparro prieto, Acacia rigidula
- Usage: Weight loss dietary supplements
- Harmful effects: One research group reported an unprecedentedly wide variety of psychoactive alkaloids in blackbrush acacia (including nicotine, N,N-dimethyltryptamine, mescaline, β-methylphenylethylamine, and different amphetamines),<wiki/List_of_medicinal_plants#cite_note-47"> suggesting that the laboratory might have had contamination problems.<wiki/List_of_medicinal_plants#cite_note-48"> A study by the FDA found that % of blackbrush acacia supplements were contaminated with the amphetamine isomer β-methylphenylethylamine (BMPEA), which is not found in natural blackbrush acacia.<wiki/List_of_medicinal_plants#cite_note-49"> Subsequently, the FDA warned supplement manufacturers to cease selling BMPEA because it is not natural.<wiki/List_of_medicinal_plants#cite_note-50"> On May , , the first adverse event from BMPEA as a weight loss supplement was reported in Sweden: a woman had a stroke associated with her BMPEA consumption.<wiki/List_of_medicinal_plants#cite_note-51">
Vitis viniferaseeds
- Grape seed extract (Vitis vinifera)
- Good for chronic venous insufficiency and edema.<wiki/List_of_medicinal_plants#cite_note-117">
- Side effects may include headache, itchy scalp, dizziness, and nausea.<wiki/List_of_medicinal_plants#cite_note-118">
Viscum album
- Mistletoe (Viscum album)
- In TCM: hú jìshēng (槲寄生)<wiki/List_of_medicinal_plants#cite_note-read-12">
- Used for: cancer prevention, hypertension, insomnia,<wiki/List_of_medicinal_plants#cite_note-158"> digestion problems, chilblains, and leg ulcers.<wiki/List_of_medicinal_plants#cite_note-theherbbook-7"> Mistletoe isn't effective for cancer; insufficient research has been done to evaluate the other claims.<wiki/List_of_medicinal_plants#cite_note-159">
- Harmful effects: When small amounts are taken, it is safe, with mild side effects of headaches, fever, and chills.<wiki/List_of_medicinal_plants#cite_note-mistletoe-160"> Large amounts are toxic and can be fatal; symptoms may include seizures, coma, death, blurred vision, nausea and vomiting, stomach pain, diarrhea, slow or irregular heartbeat, low blood pressure, confusion, and drowsiness.<wiki/List_of_medicinal_plants#cite_note-mistletoe-160">
- See also: Iscador, an extract of mistletoe
Valeriana officinalis
- Valerian (Valeriana officinalis)
- Used for: "nervous conditions", migraine, insomnia, "hysteria", "neurasthenia", fatigue and stomach cramps<wiki/List_of_medicinal_plants#cite_note-theherbbook-7">
- May work for insomnia.<wiki/List_of_medicinal_plants#cite_note-valerian-209">
- Harmful effects: Side effects may include headache, excitability, uneasiness, and, in some cases, insomnia.<wiki/List_of_medicinal_plants#cite_note-valerian-209"> Some multi-herb remedies containing valerian have been linked to liver damage.<wiki/List_of_medicinal_plants#cite_note-210">