An herbal formulation for producing a food preparation and providing health benefits to the user. The said herbal formulation includes Ocimum Tenuiflorum, Peppermint, Lemongrass, Pine Leaf, Cedar Deodar leaf, Nettle leaf, Bamboo leaf, Calamint, and Stevia Rebaudiana. Specifically, the said herbal formulation is useful in producing a drinkable product such as an herbal beverage. The said herbal formulation acts as an immune booster by diagnosing and treating ailments related to the respiratory, circulatory and digestive system of the human/animal body.