Table 1. Daily dietary intake of nutrients at the two study time-points. P values were obtained using the Student's t-test.

Nutrient	FFQ1	FFQ2	P value
Total energy (kCal)	1746.81	1629.52	ns
Total protein (g)	70.49	66.13	ns
Total fat (g)	71.52	67.77	ns
Total carbohydrate (g)	205.89	183.99	ns
Dietary iron (mg)	14.72	13.38	ns
Dietary glutathione	42.97	42.31	ns
Dietary folate	338.95	345.04	ns
Dietary vitamin E	8.80	9.18	ns
Dietary zinc (mg)	11.20	9.50	ns
Vitamin A (RAE)	990.76	1028.52	ns
Vitamin B1 (mcg)	4.97	4.64	ns
Vitamin D (IU)	122.00	122.11	ns

Abbreviations: FFQ, food frequency questionnaire; ns, non significant; RAE, retinol activity equivalents.