Figure 1From: Oral intake of phenylbutyrate with or without vitamin D3upregulates the cathelicidin LL-37 in human macrophages: a dose finding study for treatment of tuberculosis Plasma 25-hydroxyvitamin D 3 concentration in healthy adults before and after supplementation. Group-I: 250Â mg PB b.d. + 5000Â IU vitamin D3 o.d.; Group-II: 500Â mg PB b.d. + 5000Â IU vitamin D3 o.d.; Group-III: 1000Â mg PB b.d. + 5000Â IU vitamin D3 o.d.; Group-IV: 500Â mg PB b.d.; Group-V: 5000Â IU vitamin D3 o.d. PB: Phenylbutyrate. b.d.: twice daily. o.d. : once daily. Data were analyzed by One-way ANOVA.Back to article page