highly significantp<0.001
Expectedly, the vitamin C status improved significantly over placebo to 46 μmol/L in the intervention group (p<0.001) but surprisingly, the vitamin C status of the placebo group also showed a highly significant increase to 30.7 μmol/L from baseline (p<0.001), indicating that both groups were in the suboptimal range at this point [ 2 ] and clearly increased from study start.