A composition of ready to drink calamansi (Citrofortunella microcarpa) juice with seven (7) herbal vegetables which comprises of the following ingredients with amounts expressed in percentage by volume: 70 pcnt water, 20 pcnt calamansi concentrate with seven (7) herbal vegetables as its components, wherein the calamansi concentrate consists of sugar and calamansi fruit extract with 1:1 proportion, 1.21 pcnt Malunggay (Moringa oleifera lam.) leaves extract, 1.21 pcnt Saluyot (Corchorus olitorius) leaves extract, 1.21 pcnt Spinach (Amaranthus spinosus) leaves extract, 1.21 pcnt Camote tops (Ipomoea batatas) extract, 1.21 pcnt Sili (Capsicum frutescens) leaves extract, 1.21 pcnt Pandan (Pandanus tectorius) extract, 1.21 pcnt Turmeric (Curcuma longa) extract, and small portions of honey, sugar, citric acid and sodium citrate