Magnesium intake affects breast cancer risk both directly and indirectly by reducing inflammation and interleukin-6 (IL-6). A higher magnesium intake is associated with a lower breast cancer risk (Huang, 2019). The bis-glycinate and citrate are forms that are readily absorbed. If magnesium causes GI upset (loose stools or gas) for you, use topical magnesium, in lotion, oil, or gel, which absorbs through the skin and into the bloodstream directly.
Recommendation: 300 mg at bedtime