Inclusion Criteria:  Diagnosed with TB after detailed history collection, clinical examination and laboratory assessment (sputum culture positive). Aged 18 - 65 years. Willing to participate in the study. Healthy controls are those who are free of TB symptoms, healthy on physical examination and with a negative sputum culture result.  Exclusion Criteria:  Already on anti-TB treatment or previously treated for TB. Severely anemic (Hb < 10g/dL). Having diarrhea or other major gastrointestinal disorders. Using or have used aminoglycoside or quinolones antibiotics in the past one month. Using a medically prescribed diet or nutrition supplement. Pregnant or lactating women. Patients with liver or renal dysfunction, or having any other chronic disease condition. Multidrug resistance TB patients