Place this at the bottom of game.ini and it will replace the Blood Packs with Medical Brew, making SyringeH a lot less time consuming to craft.

ConfigOverrideItemCraftingCosts=(ItemClassString="PrimalItem_SyringeH_C",BaseCraftingResourceRequirements=((ResourceItemTypeString="PrimalItemResource_Crystal_C",BaseResourceRequirement=4.0,bCraftingRequireExactResourceType=False),(ResourceItemTypeString="PrimalItemResource_MetalIngot_C",BaseResourceRequirement=1.0,bCraftingRequireExactResourceType=False),(ResourceItemTypeString="PrimalItemConsumable_HealSoup_C",BaseResourceRequirement=2.0,bCraftingRequireExactResourceType=False)))