Amritoside, Arabinose ester, Argamolic acid, Avicularin, Calcium, Carbohydrates, β-Carotene, Crataegolic acid, Fat, Gallocatechin, Guaijaverin, Guajadial, Iron, Lauric acid, Leucocyanidin, Linoleic acid, Luteioic acid, Lycopene, Magnesium, Manganese, Myristic acid, Oleic acid, Palmitic acid, Phosphorus, Potassium, Psidial A, Psiguadials A, Psiguadials B, Psiguadials C, Psiguadials D, Sodium, Stearic acid, Vitamin A, Vitamin B₁, Vitamin B₂, Vitamin B₃, Vitamin B₅, Vitamin B₆, Vitamin B₉, Vitamin C, Vitamin E, Vitamin K, Zinc

Guava is used for dyspepsia, edema, swelling, dizziness, nausea, nervousness, HIV, skin conditions, colic, diarrhea, diabetes, headaches, heal deep cuts, toothache, cough, cataracts, high cholesterol, heart disease, and cancer. It also have demonstrated pharmacological activity as antibacterial, antioxidant, antispasmodic, anti-inflammatory, anti-anemic, dysentery, acute gastrointestinal inflammation, hemostatic and sedative.