C4B and tuberculosis: However, other studies in healthy subjects and those at high risk of CVD showed that TB dose-dependently (150–1,000 mg/d) increased HDL-CH by 2.9–18% within 4-12 weeks (Wan et al., 2001; Baba et al., 2007; Taubert et al., 2007; Monagas et al., 2009; Khan et al., 2012; Neufingerl et al., 2013).