Aloe   6 studies
American Elder   1 study
Angelica   3 studies
Arnica   5 studies
Ashwagandha   3 studies
Astragalus   4 studies
Barley   4 studies
Belladonna   1 study
Bitter Melon   1 study
Black Cohosh   12 studies
Black Currant   1 study
Blackberry   2 studies
Blueberry   5 studies
Borage   3 studies
Castor   4 studies
Cayenne   4 studies
Chamomile   3 studies
Chaste Tree   1 study
Chinese Skullcap   1 study
Cinnamon   7 studies
Cola   3 studies
Cranberry   20 studies
Dandelion   1 study
Devil's Claw   1 study
Digitalis   4 studies
Dong Quai   4 studies
Echinacea   10 studies
English Walnut   5 studies
Eucalyptus   4 studies
European Mistletoe   7 studies
Evening Primrose   1 study
Fenugreek   2 studies
Flax   22 studies
Frangula   2 studies
Garlic   12 studies
Gentian   1 study
Ginger   8 studies
Ginkgo   21 studies
Ginseng   20 studies
Gotu Kola   1 study
Grape   21 studies
Grapefruit Seed Extract   8 studies
Guarana   1 study
Hawthorn   3 studies
Hibiscus   2 studies
Hoodia   2 studies
Horse Chestnut   1 study
Horseradish   1 study
Indian Frankincense   2 studies
Juniper   1 study
Kava   22 studies
Licorice   6 studies
Maca   3 studies
Manna   2 studies
Milk Thistle   11 studies
Nigella   1 study
Noni   4 studies
Olive   29 studies
Orange   40 studies
Passionflower   1 study
Peppermint   13 studies
Plantain   6 studies
Pomegranate   17 studies
Psyllium   6 studies
Raspberry   4 studies
Rauwolfia   1 study
Red Cinchona   20 studies
Red Clover   2 studies
Red Yeast   5 studies
Reishi   3 studies
Rose Hips   1 study
Rue   1 study
Sage   10 studies
Salacia   1 study
Saw Palmetto   4 studies
Sea Buckthorn   2 studies
Senna   7 studies
Soy Bean   27 studies
Spirulina   1 study
St. John's Wort   22 studies
Stinging Nettle   2 studies
Strawberry   10 studies
Sunflower   10 studies
Tangerine   8 studies
Tea   73 studies
Tomato   7 studies
Tripterygium   8 studies
Turmeric   7 studies
Valerian   6 studies
White Willow   1 study
Yohimbe   13 studies