Fig. 2
From: Assessing the impact of a mushroom-derived food ingredient on vitamin D levels in healthy volunteers

Vitamin D (25(OH)D) status (normalised relative difference) in response to 12-week supplementation intervention. Panels represent: a) overall pattern (baseline to week 12), b) first 6-week period, and c) second 6-week period. * = significantly different to both D2 and PL (p ≤ 0.03). Vitamin D measured in nmol·L− 1