Fig. 1From: Vitamin-D2 treatment-associated decrease in 25(OH)D3 level is a reciprocal phenomenon: a randomized controlled trialParticipants flow chart. One participant was excluded because of formula failure/not ingesting D2 dose (study-1, D2 arm), one withdrew for personal reasons (study-2, D3 arm), and one was excluded because of high 25(OH)D2 before receiving the 50,000 IU D2 loading dose (study-2, D3 arm)Back to article page