| Substance | Abbreviation | Systematics | Provings |
| Bacillinum Burnett Tuberculosis Nosode |
Bac | Mycobacteriaceae |
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| Bacillus cereus |
Bac-cer | Bacillaceae |
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| Bacillus firmus |
Bac-fir | Bacillaceae |
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| Bacopa monnieri Waterhyssop |
Bacop-m | Plantaginaceae |
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| Bad Kösen Aqua Water from Bad Koesen in Germany |
Aq-koes | Aquae mineraliae |
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| Bad Landeck Aqua Water from Bad Landeck, Silesia / heute Ladek-Zdroj |
Aq-Land | Aquae mineraliae |
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| Bad Langenbrücken Aqua Water from the sulphurous fountains of Bad Langenbruecken near Karlsruhe, Germany |
Aq-Lang | Aquae mineraliae |
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| Bad Meinberg Aqua Water from Bad Meinberg. Germany |
Aq-Mein | Aquae mineraliae |
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| Bad Pyrmont Aqua Water from Bad Pyrmont, Germany |
Aq-Pyr | Aquae mineraliae |
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| Bambusa arundinacea Giant Thorney Bamboo |
Bamb-a | Gramineae/ Poaceae |
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| Banisteria caapi Yage, Ayahuasca |
Banis-c | Malpighiaceae |
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