Table 1. Metabolite concentrations (mM) measured twice in different sessions (#1 and #2) in 5 healthy subjects and mean quantification errors (CRLB, %) per metabolite.

		Subject 1		Subject 2		Subject 3		Subject 4		Subject 5		CRLB
		#1	#2	#1	#2	#1	#2	#1	#2	#1	#2	Mean
JDE	GSH	2.32	2.08	2.09	1.97	1.99	2.17	2.41	2.02	2.36	2.09	3.0	Target
	GABA	1.08	1.14	1.62	1.68	1.60	1.30	1.26	1.11	1.09	1.41	4.3
STEAM	GSH	1.43	1.30	1.38	1.28	1.50	1.18	1.42	1.17	1.53	1.24	5.7
	GABA	1.54	1.31	1.53	1.56	1.03	0.90	1.75	1.39	1.55	1.25	9.3
	Glu	10.94	11.26	10.98	10.17	9.78	10.15	10.55	10.34	11.05	10.37	1.6
	Gln	3.45	3.57	3.26	3.38	4.20	3.91	4.24	3.96	4.13	3.94	3.1
	Cho	1.56	1.47	1.24	1.22	1.22	1.27	1.34	1.23	1.46	1.35	2.0	Established
	mIns	8.77	8.28	7.70	7.48	7.32	7.31	6.56	6.40	7.93	7.23	1.7
	NAA	11.84	10.92	12.40	12.17	10.68	10.85	11.10	10.85	12.74	11.62	1.0
	NAAG	0.79	0.99	0.70	1.00	0.97	0.91	0.99	0.97	1.00	0.85	8.7
	tNAA	12.64	11.91	13.10	13.17	11.65	11.75	12.09	11.82	13.73	12.46	1.0
	Cr	5.73	5.74	6.13	5.78	5.40	5.71	5.19	5.83	6.06	5.68	3.0	Additional
	PCr	4.19	4.01	4.11	4.02	3.45	3.35	4.01	3.46	4.13	3.77	4.1
	tCr	9.92	9.75	10.24	9.80	8.85	9.06	9.20	9.29	10.19	9.46	1.0
	Asc	2.52	2.02	1.92	1.96	1.92	1.81	1.93	2.29	2.24	2.32	7.7
	Asp	2.49	2.30	1.10	1.89	0.97	0.95	1.94	1.14	2.19	1.62	14.6
	sIns	0.30	0.31	0.26	0.19	0.16	0.19	0.25	0.28	0.31	0.22	12.7
	Tau	2.32	2.02	1.99	1.52	1.93	1.77	2.37	2.42	2.94	2.09	4.8