It's worked for me, and sometimes even small amounts are a help.
You can't always be sure of quality or potency of dried powder in capsules, I recommend a good-quality tincture (HerbPharm sold at many health food stores is fine) or even tea made from the herb.
I get St. John's wort herb from a small herb company (check Local Harvest for sources if you want to try ordering online) and make a tea mixed with red rose petals. Always helps lift the mood and effects seem to last, I don't need to take it every day.
Flower Essence Services makes a St. John's wort massage oil that's very nice and can be used in bath too. St. John's wort oil is a traditional remedy for muscle soreness. You can find it on amazon and various other places.
Extract below from the Flower Essence Services website
http://www.fesflowers.com/seasons.htm:
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St. John's Shield 2-oz
In recent years, St. John's Wort has exploded into prominence, noted primarily for its natural ability to treat symptoms of depression. The essential quality of St. John's Shield is its capacity to carry light into the dark well of the soul, providing a source of inner emotional radiance.
This marvelous herb has a wide panorama of therapeutic possibilities. In addition to obvious depression and feelings of immobilization, it is very beneficial for "Seasonal Affective Disorder" from which many people suffer during winter, when outer light is reduced. St. John's Shield can be equally helpful during summer, especially for fair-skinned persons who become easily disoriented and out-of-focus when exposed to harsh light conditions. St. John's Shield should also be considered for insomnia, and other related disturbances in the sleep rhythm of the body, such as bedwetting in young children, or bodily upset from travel.
The strong light-bearing qualities of St. John's Wort give it many excellent anti-viral and neuralgic qualities. . . . St. John's Wort has been used for centuries in the treatment of wounds and for a myriad of neuralgic complaints such as sciatica, shingles and, more recently, carpal tunnel syndrome.
Please note: St. John's Wort has been proven to have many powerful photosensitive properties, and caution should be exercised in applying the oil to the skin before prolonged exposure to the sun, especially for fair-skinned individuals. However, St. John's Shield can be very helpful for treating sunburned skin.
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