* Safflower * Saffron * Sage (Salvia officinalis) * Saigon Cinnamon * St John's Wort (Hypericum) * Salad Burnet (Sanguisorba minor) * Salvia (clary and sage) * Sassafras * Savory (Summer savory, Satureja hortensis, and winter savory, S. montana) * Schisandra chinensis * Scutellaria costaricana (skullcap) * Senna (herb) * Senna obtusifolia * Sesame seed * Sheep's sorrel (Rumex acetosella) * Shepherd's Purse * Sialagogue * Siberian Chaga * Siberian ginseng (Eleutherococcus senticosus) * Sichuan pepper (Xanthoxylum piperitum) * Siraitia grosvenorii(luohanguo)]] * Skullcap (Scutellaria) * Sloe berries (Prunus spinosus) * Smudge Stick * Sonchus(sow-thistle) * Sorrel (Rumex acetosa, R. acetosella, R. scutatus) * Southernwood * Spearmint * Speedwell * Squill (Scilla) * Star anise * Stevia * Strawberry leaves (Fragaria) * Suma (Pfaffia paniculata) * Sumac * Summer savory (Satureja hortensis) * Sutherlandia frutescens * Sweet grass * Sweet cicely (Myrrhis odorata) * Sweet woodruff