. Author manuscript; available in PMC: 2008 Aug 5.

Published in final edited form as: J Gerontol A Biol Sci Med Sci. 2001 Nov;56(11):M724–M730. doi: 10.1093/gerona/56.11.m724

Table 1.

Approximate Study Schedule

	Study Day

Measure	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
Diet	VLP	CD	x	x	x	x	x	x	x	x	x	x	x	x	x	x	x	x
24-h urine collections							x	x	x	x				x	x	x	x
Stool collections							x	x	x
Food homogenates								x	x	x
Body composition							x							x
Resting metabolic rate							x							x
Fasting blood draw											x							x

Notes: VLP = very low protein diet; mean intake of 0.18 ± 0.01 g of protein·kg⁻¹·d⁻¹ (mean ± SEM). CD = controlled diet of either 0.53 ± 0.02, 0.76 ± 0.02, or 1.06 ± 0.05 g of protein · kg⁻¹ · day⁻¹.