‘s’
- s-23 - [fast facts]
- saccharomyces boulardii
- safed musli
- safflower
- saffron
- sage
- saigon cinnamon
- salacia
- salatrim
- salep
- salvia divinorum
- same
- samphire
- sandy everlasting
- sanghuang
- sangre de grado
- sanicle
- sarsaparilla
- sassafras
- savin tops
- saw palmetto
- scarlet pimpernel
- sceletium
- schisandra
- schizonepeta
- scopolia
- scotch broom
- scotch thistle
- scurvy grass
- sea buckthorn
- secretin
- securinega suffruticosa
- selenium
- self-heal
- senega
- senna
- serine
- serrapeptase
- sesame
- sessile oak
- shark cartilage
- shark liver oil
- shea butter
- shellac
- shepherd's purse
- shiitake mushroom
- siberian cocklebur
- sida cordifolia
- silicon
- simaruba
- sitostanol
- skullcap
- skunk cabbage
- slippery elm
- smartweed
- smooth alder
- snake skin
- sodium
- sodium bicarbonate
- sodium tetrachloroaurate
- solomon's seal
- sorghum
- sorrel
- sour cherry
- southern prickly ash
- soy
- soybean oil
- spanish broom
- spanish origanum oil
- spearmint
- spinach
- spiny restharrow
- spleen extract
- spotted geranium
- squalamine
- squill
- st. john's wort
- star anise
- star of bethlehem
- stavesacre
- stenabolic - [fast facts]
- stereospermum
- stevia
- stinging nettle
- stone root
- storax
- strawberry
- streptococcus thermophilus
- strontium
- strophanthus
- succinate
- sulbutiamine
- sulforaphane
- sulfur
- suma
- sumbul
- summer savory
- sundew
- sunflower oil
- superoxide dismutase (sod)
- swallowroot
- swamp milkweed
- sweet almond
- sweet annie
- sweet cherry
- sweet cicely
- sweet clover
- sweet gale
- sweet orange
- sweet sumac
- sweet vernal grass
- sweet violet
- sweet woodruff
- syrian rue