YOHIMBE BARK EXTRACT
Lately Viagra has dominated the news and headlines as the only remedy for erectile dysfunction, commonly referred to as impotence. Despite the aggressive media campaign on behalf of Viagra, natural remedies are available that are equally effective, probably safer, and certainly more cost-effective in restoring erectile function.
Used for centuries in West Africa, yohimbe bark was used as a tea to enhance virility. For more than 50 years, before the advent of Viagra, an extract of yohimbe bark, with its active ingredient yohimbine, was used in the United States to treat sexual problems in both males and females.
Some human trials have shown that yohimbine provides benefits if there is no organic cause of erectile dysfunction. That is, if the decrease in libido is a result of stress, anxiety, or advancing years, and not due to any illnesses, including psychiatric conditions.
The latest German study published in 1997 shows that 71% of 83 males diagnosed with erectile dysfunction responded favorably to yohimbine treatment over an eight-week period. More importantly, it should be noted that yohimbe bark extract does not require testosterone as an aid to enhance libido.
SELECTED REFERENCES
Riley, A., "Yohimbine in the Treatment of Erectile Dysfunction," Br. J. Clin. Pract.: 48, 133, 1994
Smith et al., "Alpha 2-Adrenorecptor Antagonists and Male Sexual Behavior: I Mating Behavior," Physiol. Behav. 41, 15, 1987
Smith et al., "Alpha 2-Adrenoreceptor Antagonists and Male Sexual Behavior: II Erectile and Ejaculatory Reflexes," Physiol. Behav.: 41, 7, 1987
Clark et al., "Testosterone is Not Required for the Enhancement of Sexual Motivation by Yohimbine," Physiol. Behav.: 35, 517, 1985
Clark et al., "Enhancement of Sexual Motivation in male Rats by Yohimbimne," Science: 225, 847, 1984
Smith, E. & Davidson, J., "Yohimbine Attenuates Aging-Induced Sexual Deficiencies in Male Rats," Physiol. Behav.: 47, 631, 1990
Reid et al., "Double-Blind Trial of Yohimbine in Treatment of Psychogenic Impotence," Lancet: 2, 421, 1987
Morales et al., "Is Yohimbine Effective in the Treatment of Organic Impotence? Results of a Controlled Trial," J. Urol.: 137, 1168, 1987
Vigt et al., "Double-Blind, Placebo-Controlled Safety and Efficacy Trial with Yohimbine Hydrochloride in the Treatment of Nonorganic Erectile Dysfunction," Int. J. Impot. Res.: 9, 155, 1997
Morganthaler, J. & Joy, D., Better Sex Through Chemistry, Petaluma, California: Smart Publications, 1994
Teloken et al., "Therapeutic Effects of High Dose Yohimbine Hydrochloride in Organic Erectile Dysfunction," J. Urol.: 159, 122, 1998
FREQUENTLY ASKED QUESTIONS
What is the Optimal Dose for Yohimbine?
The doses of yohimbine reported to be safe vary from 18 mg to 100 mg per day, and should be divided into three or four doses. One study reported that a single dose of 100 mg per day did not prove to be effective.
Does Yohimbine Have Adverse Effects?
Most researchers deem it to be safe and is generally tolerated well when used in the recommended doses. Increase in dosage may cause anxiety, dizziness, headache, nausea, increased urinary frequency and insomnia. Yohimbine may also cause high blood pressure and, as a result, occasional arrhythmia. The individual optimal dose may be determined by consultation with a healthcare provider.
Who Should Not Take Yohimbine?
Men with known and diagnosed high blood pressure or a family history of high blood pressure should not take yohimbine.
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