‘f’
- fadogia agrestis
- false unicorn
- fennel
- fenugreek
- fermented milk
- fermented wheat germ extract
- fever bark
- feverfew
- ficin
- field scabious
- fig
- figwort
- fireweed
- fish oil
- flaxseed
- flaxseed oil
- fluoride
- fly agaric mushroom
- fo-ti
- folic acid
- fool's parsley
- forget-me-not
- forsythia
- foxglove
- frankincense
- fringetree
- frostwort
- fructo-oligosaccharides (fos)
- fulvic acid
- fumitory