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Table 6 Use of dietary supplements

From: An assessment of the use of complementary and alternative medicine by Korean people using an adapted version of the standardized international questionnaire (I-CAM-QK): a cross-sectional study of an internet survey

Dietary supplements Useda (%) Use now (%) Motivationa (%) Helpfulnessa (%) (Very and somewhat)
Acute Illnessb Long-term Illnessc Improvement of well-being Others
Vitamin A 8.9 5.2 4.7 8.1 86.5 0.7 76.4
Vitamin B1 5.0 2.8 4.8 14.5 80.7 0.0 78.4
Vitamin B2 5.1 3.0 7.1 8.2 84.7 0.0 78.8
Vitamin B6 3.3 1.9 0.0 9.1 90.9 0.0 74.6
Vitamin B12 3.9 1.9 9.2 9.2 81.5 0.0 70.8
Vitamin C 35.1 27.1 1.4 5.0 92.3 1.4 74.0
Vitamin D 15.9 11.3 1.9 12.4 83.8 1.9 72.2
Vitamin E 3.8 2.0 3.1 6.3 90.6 0.0 78.1
Vitamin K 1.9 0.7 6.5 3.2 90.3 0.0 70.9
Multiple vitamin 22.0 18.8 0.5 5.2 92.9 1.4 73.6
Pantothenic acid 0.6 0.4 10.0 0.0 90.0 0.0 90.0
Biotin 1.9 1.1 3.1 18.8 78.1 0.0 59.4
Niacin 0.9 0.5 13.3 13.3 73.3 0.0 60.0
Folic acid 6.7 3.9 2.7 9.9 72.1 15.3 74.8
Iron 5.7 3.5 8.4 16.8 69.5 5.3 78.9
Calcium 11.9 7.6 2.0 11.1 85.4 1.5 68.7
Copper 0.4 0.2 0.0 0.0 100.0 0.0 50.0
Zinc 4.9 2.8 3.7 7.4 88.9 0.0 61.7
Magnesium 9.5 5.6 9.4 5.7 83.6 1.3 63.5
Potassium 4.1 2.0 7.4 11.8 80.9 0.0 70.6
Multi-mineral 6.1 3.7 2.0 6.9 91.1 0.0 67.3
Glucosamine 5.3 3.4 2.2 12.4 84.3 1.1 69.7
Chondroitin 0.2 0.1 0.0 0.0 100.0 0.0 100.0
Saw palmetto 0.2 0.2 0.0 75.0 25.0 0.0 75.0
Green juice 3.3 1.9 7.3 14.5 78.2 0.0 80.0
Collagen 3.5 1.7 6.8 15.3 78.0 0.0 67.8
Placenta 0.4 0.2 16.7 50.0 33.3 0.0 50.0
Blueberry 8.0 4.7 1.5 3.0 92.5 3.0 59.4
Red ginseng 30.8 21.5 1.0 5.1 91.8 2.1 75.7
Ginseng 4.6 2.8 1.3 3.9 94.8 0.0 77.9
Omega-3 fatty acid 29.2 21.0 1.2 9.9 87.7 1.2 67.4
Probiotic 15.8 11.2 3.0 13.3 83.3 0.4 78.1
Others 3.0 2.6 0.0 6.0 90.0 4.0 78.0
Not used 18.3 25.0 NA NA NA NA NA
  1. Number of respondents: 1668
  2. NA Not Applicable
  3. a in the last 12 months, b lasted less than 1 month, c lasted more than 1 month