Beekeepers Choice feeding stimulant is the most exciting new feeding stimulant on the market. Beekeepers Choice also boosts brood production in your hives and aids in increasing your hive&##39;s production. This feeding stimulant includes spearmint, lemongrass, and thyme essential oils. Use this as a feeding stimulant or a drench as part of your IPM system for varroa mites. Make sure to choose your preferred size at checkout.