The present disclosure provides for brewing apparatus, such as a disposable brewing pod, filter, beverage screen, or tea bag, treated with an oil-based solution comprising a lipid component; an emulsifier; and a pharmaceutical, holistic, or medical component. Brewing apparatus may be sprayed with a spray gun, such as a high volume low pressure spray gun, a precision bottle-top dispenser, or an automatic apparatus configured to apply an oil-based solution to the brewing apparatus. The brewing apparatus may be filled with a product to be brewed and packaged for individual use. The present disclosure additionally provides for a brewed drinkable product produced using brewing apparatus treated with an oil-based solution comprising a lipid component; an emulsifier; and a pharmaceutical, holistic, or medical component. The end product may be a hot or cold product.