Yeast & Bacteria Pricing

BSI Yeast, Bacteria, and Product Pricing for Professionals

Explore our full library of premium brewer’s yeast and bacteria strains—trusted by professional breweries nationwide. From clean lagers and expressive Belgian ales to hop-forward IPAs and complex mixed fermentations, BSI has the strain for every style and fermentation goal – all at prices any brewery can afford. Once you’ve picked the perfect strain, use these charts to reference our low everyday prices. 

Effective 1/1/2026, all domestic invoices paid by credit card will be subject to a 2% processing fee. BSI offers ACH, E-check and hard copy checks to avoid the credit card processing fee. Please contact our billing department at 719-482-4895, Ext 7 to set up an alternate payment option.