Table 3.

Detected numbers and concentrations in dietary supplements by product category.

Product Category by Labelling (Sample Number)	Compounds	Detected Number	Detected Sample No.	Concentrations		Contents
				Mean (mg g−1)	Range (mg g−1)	Contents per Unit (mg/Unit)
Sexual enhancement products (n = 31)	DHEA	1	S-3	39.7		21.4
	Icariin	2	S-21), S-88	1.90	0.77–3.03	1.34–2.12
	Magnoflorine	1	S-21)	0.54		0.38
Weight loss products (n = 94)	Cascarosides	3	S-4, S-77, S-79	8.02	5.77–9.62	1.47–6.16
	Melatonin	1	S-171	3.35		4.02
	Mexamine	1	S-71)	3.64		4.14
	Oxitriptan (5-HTP)	2	S-71), S-172	20.4	3.50–37.2	3.99–23.1
	Sennosides	2	S-161, S-162	24.5	13.9–35.0	9.89–19.6
	Synephrine	5	S-6, S-71), S-10, S-13, S-140	27.2	3.70–75.7	2.92–67.4
	Yohimbine	2	S-71), S-60	2.32	1.69–2.94	1.03–1.47
Muscular strengthening products (n = 38)	Synephrine	3	S-61, S-107, S-1551)	33.3	14.9–56.5	18.3–134
	Yohimbine	4	S-9, S-16, S-142, S-1551)	4.60	0.51–11.0	1.78–9.31
Relaxing products (n = 11)	Kavain	1	S-73	18.8	18.8	14.3
	Melatonin	1	S-481)	6.74		1.94
	Oxitriptan (5-HTP)	4	S-17, S-22, S-481), S-82	115	56.6–226	20.6–140
Others (n = 26)
Total (n = 200)	11 compounds	33	27 samples		0.51–226	0.38–140