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"YOHIMBE Yohimbe (also spelled Yohimbine) is a natural product derived from the bark of an African tree that is used for the treatment of impotence. yohimbe does work for impotence, but like many plant products it has specific known pharmacological effects and has been absorbed into the world of pharmacology. yohimbe is known to block certain receptors in the brain that results in a stimulation of the adrenergic system. yohimbe does not work better than Viagra and friends, and has the same side effects (anxiety, restlessness, and the potential for cardiac events)." - J. Douglas Bremner, Before You Take that Pill: Why the Drug Industry May Be Bad for Your Health (Get the book.)

"Because of the yohimbine content of yohimbe bark, the FDA classifies yohimbe as an unsafe herb.14 I think there is some validity to this classification. Nevertheless, it is available over the counter without a prescription. It is our opinion that yohimbe and yohimbine are best used under the supervision of a physician. In addition to the problem of side effects with the use of commercial yohimbe preparations, consumers should be very suspicious of the quality of yohimbe products that exist in health food stores." - Michael T. Murray, N.D., Joseph E. Pizzorno, N.D., Encyclopedia of Natural Medicine, Revised Second Edition (Get the book.)

"Pausinystalia yohimbe syn. Corynanthe yohimbe (Rubiaceae) Yohimbe Description Evergreen tree growing to 100 ft (30 m). Has reddish brown bark, oblong or elliptical leaves, and clusters of small yellow flowers. Habitat & Cultivation yohimbe is native to the forests of western Africa, especially Cameroon, Zaire, and Gabon. The bark is gathered at any time of year. Part Used Bark. Constituents yohimbe contains about 6% indole alkaloids (including yohimbine), pigments, and tannins. The alkaloids have a cerebral stimulant action at moderate doses but are highly toxic in large doses." - Andrew Chevallier, The Encyclopedia of Medicinal Plants (Get the book.)

"The most common is yohimbe, a traditional aphrodisiac, and there are others, which are often strange botanical mixtures and usually sold under the description 'Herbal Viagra'. There is no real evidence of efficacy for any of these, although they may have a placebo effect. Yohimbe, Pausinystalia yohimbe (K. Schum.) Pierre The plant and the drug Yohimbe bark (Rubiaceae) occurs in commerce as flat or slightly quilled pieces, often covered with lichen. Constituents Indole alkaloids, the major one being yohimbine, together with a- and (3-yohimbane, pseudoyohimbine and coryantheine." - Dr. Michael Heinrich, Joanne Barnes, Simon Gibbons and Elizabeth M. Williamson, Fundamentals of Pharmacognosy and Phytotherapy (Get the book.)

"Yohimbe is known to block certain receptors in the brain that results in a stimulation of the adrenergic system. yohimbe does not work better than Viagra and friends, and has the same side effects (anxiety, restlessness, and the potential for cardiac events). Diet and Behavior Studies have shown that obese men with ED who underwent a diet and exercise program lost fourteen pounds and had an improvement of 14 to 19 on the International Index of Erectile Function. These gains were statistically significant, although not of the same magnitude as those of Viagra." - J. Douglas Bremner, Before You Take that Pill: Why the Drug Industry May Be Bad for Your Health (Get the book.)

"Production: yohimbe bark consists of the dried bark of the trunk and/or branches of Pausinystalia yohimbe (syn. Coryn-anthe yohimbi). ACTIONS AND PHARMACOLOGY COMPOUNDS Indole alkaloids (2.7-5.9%): including among others yohimbine (quebrachine) and its stereoisomers (alpha-yohimbine, beta-yohimbine, allo-yohimbine), ajamalicin, dihydroyohim-bine, corynanthein, dihydrocorynanthein, corynanthin (rauhimbin) Tannins EFFECTS No information is available. INDICATIONS AND USAGE Yohimbe bark is used for sexual disorders, as an aphrodisiac, and for feebleness and exhaustion." - Joerg Gruenwald, Ph.D., PDR for Herbal Medicines (Get the book.)

"Yohimbe (Pausinystalia yohimbe) Yohimbe is a tree bark containing a variety of pharmacologically active chemicals. It is marketed in a number of products for body building and "enhanced male performance." Serious adverse effects, including renal failure, seizures and death, have been reported to FDA with products containing yohimbe and are currently under investigation. The major identified alkaloid in yohimbe is yohimbine, a chemical that causes vasodilation, thereby lowering blood pressure. Yohimbine is also a prescription drug in the United States." - American Medical Publishing, Prescription Medicines, Side Effects and Natural Alternatives (Get the book.)

"Pausinystalia yohimbe syn. Corynanthe yohimbe (Rubiaceae) Yohimbe Description Evergreen tree growing to 100 ft (30 m). Has reddish brown bark, oblong or elliptical leaves, and clusters of small yellow flowers. Habitat & Cultivation yohimbe is native to the forests of western Africa, especially Cameroon, Zaire, and Gabon. The bark is gathered at any time of year. Part Used Bark. Constituents yohimbe contains about 6% indole alkaloids (including yohimbine), pigments, and tannins. The alkaloids have a cerebral stimulant action at moderate doses but are highly toxic in large doses." - Andrew Chevallier, The Encyclopedia of Medicinal Plants (Get the book.)

"It is my opinion that yohimbe and yohimbine are best used under the supervision of a physician. In addition to the problem of side effects with the use of commercial yohimbe preparations, I am also very suspicious of the quality of yohimbe products that exist in health food stores. To my knowledge there are no commercial sources of yohimbe bark available in health food stores that actually state the level of yohimbine per dose. Without knowing the content of yohimbine, it is virtually impossible to prescribe an effective and consistent dosage." - Michael T. Murray, N.D., The Healing Power of Herbs: The Enlightened Person's Guide to the Wonders of Medicinal Plants (Get the book.)

"Yohimbe Bark The herb yohimbe is one of the few so-called aphrodisiacs that has been shown to help treat male impotence. Unfortunately, it is also quite dangerous because it contains yohimbine, which is sold by prescription and should only be used under the supervision of a physician. This weaker form, yohimbe bark, is available without prescription, although it is not as effective. (The usual dose is 1-3 capsules daily.) CAUTION: yohimbe can lower blood pressure and should not be used by people with hypotension." - Earl Mindell, Earl Mindell's Vitamin Bible for the 21st Century (Get the book.)

"The Ancistrocladus korupensis, discovered in 1987 by American bio-prospectors seeking cancer medication in the nearby Korup forest, contains an anti-HIV compound called Michellamine b that is in preclinical development. The yohimbe tree, known as African Viagra, is used in impotency supplements sold with the tagline "killer erections all nite!" "There is always something new out of Africa," wrote Pliny the Elder in the first century a.d. Today, medical corporations are studying vin-camin, the active ingredient in itongongo for its effects on hypoglycemia and cerebral metabolism." - Adam Leith Gollne, The Fruit Hunters: A Story of Nature, Adventure, Commerce and Obsession (Get the book.)

"Because of the yohimbine content of yohimbe bark, the FDA classifies yohimbe as an unsafe herb. I think there is some validity to this classification. I have used yohimbine in my practice and have found that because of side effects it is very difficult to work with. Some men are much more sensitive to yohimbine than others. Because it is such a powerful herb, yohimbe can produce the same kind of side effects as yohimbine (see above). It is my opinion that yohimbe and yohimbine are best used under the supervision of a physician." - Michael T. Murray, N.D., The Healing Power of Herbs: The Enlightened Person's Guide to the Wonders of Medicinal Plants (Get the book.)

"Yohimbe Bark The herb yohimbe is one of the few so-called aphrodisiacs that has been shown to help treat male impotence. Unfortunately, it is also quite dangerous because it contains yohimbine, which is sold by prescription and should only be used under the supervision of a physician. This weaker form, yohimbe bark, is available without prescription, although it is not as effective. (The usual dose is 1-3 capsules daily.) CAUTION: yohimbe can lower blood pressure and should not be used by people with hypotension." - Earl Mindell, Earl Mindell's Vitamin Bible for the 21st Century (Get the book.)

"Four countries (the United Kingdom, Australia, Canada, and Germany) have recently restricted the availability of products containing comfrey, and other countries permit use of comfrey only under a physician's prescription. C. yohimbe (Pausinystalia yohimbe) Yohimbe is a tree bark containing a variety of pharmacologically active chemicals. It is marketed in a number of products for body building and "enhanced male performance." Serious adverse effects, including renal failure, seizures and death, have been reported to FDA with products containing yohimbe and are currently under investigation." - American Medical Publishing, Prescription Medicines, Side Effects and Natural Alternatives (Get the book.)

"Yohimbe Bark Pausinystalia yohimbe description Medicinal Parts: The medicinal part is the bark. Flower and Fruit: The inflorescence consists of racemes of yellow blooms. Leaves, Stem, and Root: The evergreen tree grows up to 30 m in height. The bark is gray-brown, fissured and split, and is often spotted. The inner fracture is reddish brown and grooved. The leaves are oblong or elliptical. Characteristics: The taste is bitter, and the plant is odorless. Habitat: The plant grows in the jungles of West Africa, Cameroon, Congo, and Gabon." - Thomson Healthcare, Inc., PDR for Herbal Medicines, Fourth Edition (Get the book.) "PAULLINIA CUPANA (See under Guarana) PAUSINYSTALIA YOHIMBE (See under yohimbe Bark) PEMOLINE Rhodiola (May have additive effects with other stimulants) PENBUTOLOL SULFATE Kudzu (P. lobata may interfere with hypotensive agents) PERGOLIDE MESYLATE Chaste Tree (Enhances dopaminergic adverse effects) PERINDOPRIL ERBUMINE Kudzu (P." - Thomson Healthcare, Inc., PDR for Herbal Medicines, Fourth Edition (Get the book.)

"Yohimbe, Pausinystalia yohimbe (K. Schum.) Pierre The plant and the drug Yohimbe bark (Rubiaceae) occurs in commerce as flat or slightly quilled pieces, often covered with lichen. Constituents Indole alkaloids, the major one being yohimbine, together with a- and (3-yohimbane, pseudoyohimbine and coryantheine. Pharmacological effects and clinical efficacy Yohimbine (Fig. 19.2) is an a-adrenergic blocker and has a wide reputation as a sexual stimulant. It should be used H H Me02C OH Yohimbine Fig. 19.2 Fig. 19." - Dr. Michael Heinrich, Joanne Barnes, Simon Gibbons and Elizabeth M. Williamson, Fundamentals of Pharmacognosy and Phytotherapy (Get the book.)

"It is our opinion that yohimbe and yohimbine are best used under the supervision of a physician. In addition to the problem of side effects with the use of commercial yohimbe preparations, consumers should be very suspicious of the quality of yohimbe products that exist in health food stores. A 1995 analysis showed that, while crude yohimbe bark typically contains six percent yohimbine, most commercial products contained virtually no yohimbine." - Michael T. Murray, N.D., Joseph E. Pizzorno, N.D., Encyclopedia of Natural Medicine, Revised Second Edition (Get the book.)

"It's also best to avoid tyramine-rich foods (bananas, cheese, chocolate, sauerkraut, red wine) for twelve hours before using yohimbe, as the combination can elevate blood pressure. Range and Appearance Native to tropical West Africa, yohimbe is a fast-growing evergreen tree that can reach a height of 90 feet. It has sessile, obovate leaves that grow in whorls of three. Its reddish brown bark has many furrows. The flowers are white at first and later turn yellow and red. A tree must be at least ten years old before its bark is ready to be harvested, and harvesting the bark can kill the tree." - Brigitte Mars, A.H.G., The Desktop Guide to Herbal Medicine: The Ultimate Multidisciplinary Reference to the Amazing Realm of Healing Plants, in a Quick-study, One-stop Guide (Get the book.)

"COMMON NAME(S): yohimbe, yohimbehe, yohimbine PATIENT INFORMATION Uses: yohimbe has been investigated for the treatment of organic impotence, in particular with diabetes, and for use as an aphrodisiac. Side Eflects: yohimbe may be toxic if ingested in high amounts. It causes severe hypotension, abdominal distress, and weakness and may cause CNS stimulation and paralysis. BOTANY: This tree grows throughout the African nations of Cameroon, Gabon, and Zaire." - Ara Dermarderosian, Guide to Popular Natural Products (Get the book.)

"You may see a similar herbal solution, called yohimbe, in your local herb store. It's made from the same tree bark as yohimbine but is much more dangerous. Reactions to yohimbe have included high blood pressure, irregular heartbeat, vomiting, even paralysis and death if overdosed. Although prescription yohimbine is not as dangerous as its cousin yohimbe, it does cause side effects in some people, including nausea, dizziness, nervousness, and headaches. So if herbal's the way you prefer to deal with impotence, use caution. Prescription yohimbine might be just the thing for you." - Frank K. Wood, Natural Cures and Gentle Medicines: That Work Better Than Dangerous Drugs or Risky Surgery (Get the book.)

"Asian ginseng (page 630) yohimbe (page 764) Arginine (page 467) DHEA (page 503) Pycnogenol Rutea superba Ginkgo biloba (page 681) (for ED of vascular origin) Damiana (page 666) What are the symptoms of erectile dysfunction? ED is defined by the symptoms listed above. Symptoms may also include loss of sexual desire (libido), premature ejaculation, or inability to achieve orgasm." - Alan R. Gaby, M.D., Jonathan V. Wright, M.D., Forrest Batz, Pharm.D. Rick Chester, RPh., N.D., DipLAc. George Constantine, R.Ph., Ph.D. Linnea D. Thompson, Pharm.D., N.D., The Natural Pharmacy: Complete A-Z Reference to Natural Treatments for Common Health Conditions (Get the book.) "Patients with kidney disease, peptic ulcer (page 349) or pregnant (page 363) or breast-feeding women should not use yohimbe.8 Standard amounts may occasionally cause dizziness, nausea, insomnia (page 270), anxiety (page 30), increased blood pressure (page 246), and rapid heart beat,9 though all of these are rare.10 Using more than 40 mg of yohimbine per day can cause dangerous side effects, including loss of muscle function, chills, and vertigo. Some people will also experience hallucinations when taking highet amounts of yohimbine." - Alan R. Gaby, M.D., Jonathan V. Wright, M.D., Forrest Batz, Pharm.D. Rick Chester, RPh., N.D., DipLAc. George Constantine, R.Ph., Ph.D. Linnea D. Thompson, Pharm.D., N.D., The Natural Pharmacy: Complete A-Z Reference to Natural Treatments for Common Health Conditions (Get the book.) "Similarly, yohimbe should only be combined with other antidepressant drugs under the supervision of a physician, though at least one study suggests it may benefit those who are not responding to serotonin reuptake inhibitors such as fluoxetine (Prozac)." - Alan R. Gaby, M.D., Jonathan V. Wright, M.D., Forrest Batz, Pharm.D. Rick Chester, RPh., N.D., DipLAc. George Constantine, R.Ph., Ph.D. Linnea D. Thompson, Pharm.D., N.D., The Natural Pharmacy: Complete A-Z Reference to Natural Treatments for Common Health Conditions (Get the book.)

"Yohimbe is a popular herbal product marketed as a sexual stimulant by enhancing blood flow. The plant maca, grown in Peru, is marketed to increase energy, stamina and sexual ability. The Indian herb tribulus is said to increase the body's natural testosterone levels and improve sex drive. Eurycoma longifolia, grown in Southeast Asia, is touted as a powerful aphrodisiac. Manufacturers can throw together any combination of these allegedly ancient ingredients to make up their own secret formula. How can we know what combination is effective? How do we know the ingredients are pure?" - Craig Pepin-Donat, The Big Fat Health and Fitness Lie (Get the book.)

"As an herbalist, Karta Purkh remembers that there was a three-year period in the 1980s when no one could get any yohimbe and the story in the market was that the world pharmaceutical industry bought up the entire supply to develop patentable aphrodisiac drugs. (There is one now, called yohimbine.) Now yohimbe is widely available again. Yohimbe is never taken as a tea. It would taste unbelievably bad, and since it's so powerful that one capsule produces results, there is no motivation for making it into tea." - Robyn Landis, Herbal Defense (Get the book.)

"The weaker yohimbe herbal products can be purchased over the counter. There are no scientific studies to back up the claim that these products can improve sexual function; however, there are anecdotal reports from men who claim that they can work wonders. Many combination products designed to improve sexual performance for men include yohimbe, along with ginkgo biloba, zinc, and L-arginine. Since yohimbine hydrochloride can cause serious side effects in some men, I err on the side of caution with yohimbe. Before you use it, I recommend that you check with your physician or natural healer." - Earl Mindell, R.Ph., Ph.D., Earl Mindell's Supplement Bible: A Comprehensive Guide to Hundreds of NEW Natural Products that Will Help You Live Longer, Look Better, Stay Heathier, ... and Much More! (Get the book.)

"Topically, yohimbe can be used as a poultice for pain relief, to treat skin infection and itchiness, and as an analgesic. The powdered bark is sometimes smoked, used as snuff, or rubbed on the body as an aphrodisiac. Edible Uses Not generally considered edible, aside from as tea." - Brigitte Mars, A.H.G., The Desktop Guide to Herbal Medicine: The Ultimate Multidisciplinary Reference to the Amazing Realm of Healing Plants, in a Quick-study, One-stop Guide (Get the book.)

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