L - Natural Products
- L-arginine (L-arginine)
- L-tyrosine (L-tyrosine, tyrosine)
- Lavender (lavender, English lavender, garden lavender)
- Lemon balm (lemon balm, melissa)
- Licorice Root (licorice root, licorice, liquorice, sweet root, gan zao (Chinese licorice))
- Lungwort (Lungwort, dage of Jerusalem, herbe aux poumons, lungenkraut, pulmonaire, pulmonaire officinale, pulmonariae herba)
- Lysine (L-lysine, lys, lysine)
