Skip to main content

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