‘g’
- galacto-oligosaccharides (gos)
- galbanum
- galphimia glauca
- gamboge
- gamma butyrolactone (gbl)
- gamma oryzanol
- gamma-aminobutyric acid (gaba)
- gamma-hydroxybutyrate (ghb)
- gamma-linolenic acid (gla)
- garcinia
- garden cress
- gardenia
- garlic
- gelatin
- gelsemium
- genistein combined polysaccharide
- gentian
- german chamomile
- german ipecac
- german sarsaparilla
- germander
- germanium
- ginger
- ginkgo
- globe flower
- globemallow
- glossy privet
- glucomannan
- glucosamine
- glucuronolactone
- glutamine
- glutathione
- glycerol
- glycine
- glycomacropeptide
- glyconutrients
- goa powder
- goat's rue
- goji
- golden ragwort
- goldenrod
- goldenseal
- goldthread
- gossypol
- gotu kola
- goutweed
- grains of paradise
- grape
- grapefruit
- gravel root
- graviola
- great plantain
- greater burnet
- greater celandine
- greek sage
- green coffee
- green tea
- griffonia simplicifolia
- ground ivy
- ground pine
- groundsel
- guaiac wood
- guar gum
- guarana
- guarumo
- guava
- guggul
- gum arabic
- gumweed
- gymnema