Table 1.

Baseline Characteristics and Safety Parameters

Details	Undenatured collagen (n = 48)		PLA (n = 48)
Age, year	34.5 ± 1.5		37.8 ± 1.6
BMI, kg/m2	23.91 ± 0.43		24.29 ± 0.38
Gender, M/F	20/28		20/28
Frequency of regular sporting activity
1 × /week	0%		0%
2 × /week	31%		21%
3 × /week	35%		44%
>3 × /week	33%		35%
Frequency of intensity of physical activity
Low	—		2%
Moderate	21%		21%
High	79%		77%

Safety parameters
Parameter	Undenatured collagen Baseline (n = 48)	Undenatured collagen End of intervention (n = 48)	PLA Baseline (n = 48)	PLA End of intervention (n = 48)
SBP, mm Hg	126.5 ± 13.6	125.4 ± 13.9	124.8 ± 12.1	120.5 ± 11.5
DBP, mm Hg	77.1 ± 7.8	78.3 ± 9.2	77.7 ± 9	76.5 ± 9.5
Cholesterol, mg/dL
Men	175.5 ± 24	191.9 ± 23.35	176.5 ± 37.1	186.9 ± 36.08
Women	178.6 ± 34.5	184.6 ± 32.78	186.5 ± 35.2	187.5 ± 28.37
hsCRP, mg/dL
Men	0.9 ± 0.7	0.7 ± 0.9	1.1 ± 0.8	1.2 ± 2.0
Women	1.7 ± 1.9	2.0 ± 2.5	1.1 ± 1.3	1.1 ± 1.3

BMI, body mass index; DBP, diastolic blood pressure; PLA, placebo; SBP, systolic blood pressure.