Common ingredients in relaxation drinks may contain kava root, melatonin, valerian root, gamma-aminobutyric acid (GABA), Chamomile, Melissa officinalis, L-Theanine, L-Threonine, 5-Hydroxytryptophan or Passiflora.
The plants used in the production of herbero include at least four of the following: sage, chamomile, pennyroyal, lemon verbena, the root of the blessed thistle, peppermint, cattail, fennel, anise, melissa, agrimony, savory, felty germander, thyme, and French lavender.
Iberogast is a mixture of extracts from bitter candytuft (Iberis amara), angelica root (Angelicae radix), milk thistle fruit (Silybi mariani fructus), celandine herb (Chelidonii herba), caraway fruit (Carvi fructus), liquorice root (Liquiritiae radix), peppermint herb (Menthae piperitae folium), balm leaf (Melissae folium) and chamomile flower (Matricariae flos).
The larvae feed on various herbaceous plants such as Lamium, nettle, Artemisia absinthium and chamomile.
Other ingredients include extracts of chamomile, a daisy-like plant with "a calming agent to fend off stress ... and ease digestion", passiflora, a genus of about 500 species of flowering plants with "anti-depressant and relaxing" properties, valerian, a herb that "relieves symptoms of nervousness", Tilia cordata, a linden tree known for "facilitating sleep", and hops, a "nerve calming" flowering plant.