Wilford's swallow-wort

In shortOne study found that isoflavones reduced hot flashes, but a larger review that pooled many more studies found the evidence wasn't strong enough to draw a firm conclusion. Wilford's swallow-wort (Cynanchum wilfordii), a traditional Korean root, has been studied mostly as part of blended formulas rather than on its own. Rather than judging a supplement by its ingredient name alone, it help..