Evidence for breast enhancement supplements is limited. Most rely on phytoestrogens that produce only modest effects. Those seeking significant size changes typically require surgical options.
- Fenugreek (1β2 g/day): Traditional use in several cultures. Small RCTs show very modest effects on breast fullness in lactating women; data in non-lactating is limited.
- Fennel seed: Phytoestrogens; traditional use but minimal RCT data.
- Red clover (40β80 mg isoflavones/day): Phytoestrogen with some evidence for breast tissue density changes during menopause.
- Wild yam extract: Contains diosgenin, often misrepresented as a progesterone precursor. Body doesn't convert it this way.
- Products claiming 1-2 cup-size increases β not achievable with supplements
- "Bioidentical hormone" creams sold as supplements
- Products with undisclosed actual hormones (rare but documented)
- Phytoestrogen supplements for women with estrogen-receptor-positive cancer history
Ingredient transparency, modest claim language, third-party testing for hormonal contamination, and safety labeling for cancer survivors. Products making dramatic claims or containing actual hormones are heavily penalized.