Sulforaphane-N-acetylcysteine (SFN-NAC) metabolite levels (mean ± SD) detected in murine milk and plasma following 5 days of 0, 300 or 600 ppm maternal dietary SFN supplementation post-delivery, i.e., offspring postnatal day (PND) 5 (A-B, analyzed via ANOVA) or 2 weeks of 0 or 600 ppm maternal SFN dietary supplementation, i.e., offspring PND 14 (C-D, analyzed via t test). Experimental groups represent 2–5 dams/group. *p≤0.05; **p≤0.01; ***p≤0.001; ****p≤0.0001.