Table 5.

Summary of the overfeeding study comparing energy surpluses.

Author	n - Men/Women Age	Body Fat %	Physical Activity	Duration	Kcal Surplus	Protein (g/kg)	BW (kg)	FM (kg)	FFM (kg)	Fat gain (% wt gain)
Siervo et al. 2008	6/0	21%	Inactive	3 weeks	+ 20%	1.4	+ 0.7	+ 0.4	+ 0.3	57%
	43			3 weeks	+ 40%	1.5	+ 2.9	+ 1.5	+ 1.4	52%
				3 weeks	+ 60%	1.7	+ 5.7	+ 3.6	+ 2.7	63%

Bold indicates significant change from baseline. Different letters indicate significant between group differences when applicable. Grey shading indicates data not available. Legend: BF – body fat, bw – body weight, d – days, CHO – carbohydrate, FFM – fat free mass, FM – fat mass, kcal – kilocalorie, PRO – protein, PUFA – polyunsaturated fat, SFA – saturated fat, wk – week, yr - years