IsoVitaleX™ Enrichment BD BBL™ 5 x 2 ml. 211876 Chemically defined supplement used as an additive to media for the isolation and cultivation BD BBL™ 5 x 10 mlof nutritionally fastidious microorganisms. BD IsoVitaleX™ Enrichment with rehydrating fluidis used for supplementing media to culture fastidious microorganisms, particularly Neisseriagonorrhoeae, and Haemophilus influenzae.