Broccoli - How to lose weight in your 30s - Women's Health & Fitness

2. Eat cruciferous vegetables such as broccoli
As oestrogen levels drop in this decade, eating cruciferous vegetables such as broccoli and bok choy can help because they contain a nutrient called indole-3-carbinol, which has been shown to help reduce excess oestrogen and may drop the risk of breast and cervical cancers.