Yerba mate has the effect of stimulating the mind, increasing concentration and easing depressive moods.
Research has also demonstrated the beneficial effect of Gotu Kola, Centella asiatica, on memory, concentration and mental performance levels.
Eleuthero,(Siberian Ginseng), boosts concentration and focus without the letdown than comes from stimulants like caffeine.
Ginseng is valuable in restoring energy, memory, promoting good sleep patterns, and even help with scalp and hair health. Researchers have discovered ginseng to promote production of several hormones, including estrogen and cortisol, which may well explain its benefit in menopausal women.
Here are some good sites about herbal remedies.
http://www.learningherbs.com/http://www.bhrt-resource.com/herbs-for-menopause.html
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