β-D-Lactose is used in the pharmaceutical industry to make tablets. It acts as a nutrient and as a filler used in pills. It is utilized in the dilution of heroin. Further, it is used to sweeten stout beer.
Smith, G.; Hussain, A.; Bukhari, N. I.; Ermolina, I. Quantification of residual crystallinity of ball-milled, commercially available, anhydrous beta-lactose by differential scanning calorimetry and terahertz spectroscopy. J. Therm. Anal. Calorim. 2015, 121 (1), 327-333.
Ihli, J.; Paterson, A. H. J. Effect of galacto-oligosaccharide concentration on the kinetics of lactose crystallisation. Int. Dairy J. 2015, 41, 26-31.