elanen naturals liu wei di huang wan, rehmannia 6, six flavor rehmannia, 100 vegetable capsules elanen naturals liu wei di huang wan (a.k.a. rehmannia 6) is a popular traditional chinese medicine formula that has been in use for over 900 years.* <br><br>as a dietary supplement, adults take three capsules twice daily, or as directed by your healthcare practitioner. store in a cool, dry place. keep out of reach of children.<br><br>authentic imported herbs. tested and manufactured in the usa.