Ancient peat and apple extracts supplementation may improve strength and power adaptations in resistance trained men

Table 2 Blood data

Variable	Group	PRE	Week 4	Week 8	POST	p
Irisin (μg/mL)	PLA	1.30 ± 0.39	1.65 ± 0.65	0.89 ± 0.36	0.79 ± 0.38	0.06
Irisin (μg/mL)	TRT	1.20 ± 0.35	1.19 ± 0.39	1.07 ± 0.35^a	0.97 ± 0.50	0.06
IL-6 (pg/mL)	PLA	1.57 ± 2.62	1.39 ± 0.57	1.20 ± 0.67	1.04 ± 0.56	0.52
IL-6 (pg/mL)	TRT	2.29 ± 3.65	1.55 ± 1.56	1.42 ± 0.83	0.95 ± 0.58	0.52
IL-15 (pg/mL)	PLA	2.21 ± 0.49	2.8 ± 0.64	2.68 ± 0.66	3.36 ± 0.94	0.61
IL-15 (pg/mL)	TRT	2.15 ± 0.48	2.54 ± 0.66	2.41 ± 0.69	3.11 ± 0.83	0.61
FGF-21 (pg/mL)	PLA	80.1 ± 14.9	119.0 ± 34.1	106.5 ± 7.51	81.8 ± 4.6	0.41
FGF-21 (pg/mL)	TRT	75.5 ± 7.5	116.8 ± 23.9	104.2 ± 8.5	105.0 ± 76.3	0.41
Myonectin (ng/mL)	PLA	0.26 ± 0.14	0.21 ± 0.08	0.20 ± 0.13	0.36 ± 0.46	0.58
Myonectin (ng/mL)	TRT	0.81 ± 1.52	0.70 ± 1.34	0.64 ± 1.2	0.99 ± 2.05	0.58
Cortisol (ng/mL)	PLA	39.0 ± 20.5	64.0 ± 27.5	70.7 ± 29.5	53.1 ± 19.1	0.11
Cortisol (ng/mL)	TRT	47.0 ± 22.0	43.4 ± 25.8	63.3 ± 27.6	53.3 ± 15.1	0.11
CRP (ng/mL)	PLA	18.1 ± 38.8	11.8 ± 13.0	8.1 ± 9.6	9.3 ± 8.9	0.43
CRP (ng/mL)	TRT	11.0 ± 14.2	17.4 ± 25.2	10.0 ± 14.4	6.0 ± 7.5	0.43
GDF-11 (ng/mL)	PLA	0.99 ± 0.58	1.11 ± 0.83	0.49 ± 0.40	0.66 ± 0.57	0.19
GDF-11 (ng/mL)	TRT	0.61 ± 0.48	0.55 ± 0.53	0.21 ± 0.29	0.37 ± 0.35	0.19

Data are presented as mean ± standard deviation. The p-value is derived from an ANOVA and representative of an interaction effect for group by time. A significant difference from PLA is ^aif different from week 4

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