Median±SD Range (mM)	Met	Phe	Pro	Ser	Thr	Trp	Tyr	Val	Orn	BCAAs
SG*		c	c,e					c		c
Basal	0.2±0.3	0.7±0.5	0.09±0.5	1.0±1.0	1.4±1.9	0.1±0.1	0.9±0.7	1.2±1.0	0.2±0.3	3.5±3.4
	0.02–1.0	0.05–2.0	0–1.9	nd–3.7	0.1–8.5	0.05–0.6	0.1–2.7	0.1–4.0	0.05–1.5	0.4–13.1
Diet	0.6±0.4	1.4±0.6	0.1±0.2	1.5±1.1	1.6±2.8	0.1±0.1	1.8±0.8	1.9±1.2	0.3±0.3	6.5±4.3
	0.01–1.5	0.3–2.4	0–0.6	nd–3.9	0.3–11.4	0.05–0.4	0.4–3.5	0.3–4.8	0.1–1.2	1.2–16.7
1 month	0.3±0.4	1.1±0.6	0.03±0.2	1.8±0.8	1.5±3.0	0.2±0.1	1.4±0.8	2.0±1.4	0.3±0.2	6.7±4.5
	0.03–1.8	0.1–2.9	0.002–0.9	0.3–3.5	0.3–10.5	0.03–0.7	0.2–3.6	0.3–6.3	0.08–0.9	1.1–19.7
3 months	0.4±0.3	1.3±0.5	0.04±0.1	1.6±0.8	1.7±0.9	0.2±0.08	1.2±0.6	2.2±1.3	0.4±0.2	7.7±4.3
	0.02–1.3	0.5–2.6	0–0.5	0.7–3.5	0.5–3.7	0.08–0.4	0.6–3.0	0.6–4.7	0.2–1.0	2.5–15.9
RYGB*				a			a
Basal	0.2±0.2	0.6±0.5	0.05±0.1	0.9±0.4	1.1±0.6	0.1±0.2	0.7±0.2	0.9±0.9	0.2±0.6	3.5±2.9
	nd–1.2	0.3–3.1	nd–0.8	0.3–2.6	0.4–3.0	0.05–1.0	0.4–1.7	0.4–4.5	0.08–3.3	1.6–14.7
Diet	0.3±0.2	0.9±0.4	0.04–0.1	1.3±0.9	1.2±0.8	0.1±0.1	0.8±0.5	1.5±1.3	02±0.2	5.5±3.8
	0.03–1.0	0.1–1.9	nd–0.6	0.1–3.1	0.1–2.6	0.01–0.5	0.1–1.9	0.1–6.0	0.04–0.7	0.4–14.7
1 month	0.2±0.7	0.6±0.8	0.1±0.3	1.0±0.7	0.8±2.0	0.1±0.3	0.6±0.4	1.0±2.1	0.3±1.5	3.8±5.9
	0.02–3.7	0.1–4.3	nd–1.1	nd–3.0	0.2–10.5	0.02–1.5	0.2–2.0	0.2–10.8	0.09–7.6	0.7–30.5
3 months	0.2±0.3	0.7±1.4	0.07±0.4	0.8±0.7	0.7±0.7	0.1±0.1	0.6±0.5	0.7±1.3	0.2±0.3	2.6±4.0
	1.0–18.6	0.2–6.0	nd–1.8	0.2–3.0	0.2–2.9	0.02–0.5	0.2–2.5	0.2–5.5	0.08–1.3	0.8–16.5