May 05, 2021
May 05, 2021
Our favourite immune boosting tonic herbs
by Mason Taylor October 14, 2016 5 mins read
This amazing article was originally posted here.
Mushrooms provide a vast array of potential medicinal compounds. Many mushrooms -- such as portobello, oyster, reishi and maitake -- are well-known for these properties, but the lion's mane mushroom, in particular, has drawn the attention of researchers for its notable nerve-regenerative properties.
Lion's mane mushrooms are not your classic looking cap-and-stem variety. These globular-shaped mushrooms sport cascading teeth-like spines rather than the more common gills. From these spines, white spores emerge. Lion's mane mushrooms also have other common names: sheep's head, bear's head and the Japanese yamabushitake. I like the clever name "pom pom blanc" -- a reference to their resemblance to the white pom-poms cheerleaders use. The Latin name for lion's mane is Hericium erinaceus; both names mean "hedgehog."
Lion's mane mushrooms are increasingly studied for their neuroprotective effects. Two novel classes of Nerve Growth Factors (NGFs) -- molecules stimulating the differentiation and re-myelination of neurons -- have been discovered in this mushroom so far. These cyathane derivatives are termed "hericenones" and "erinacines." The levels of these compounds can vary substantially between strains, based on the measurements our team has conducted.
About a dozen studies have been published on the neuroregenerative properties of lion's mane mushrooms since 1991, when Dr. Kawagishi first identified NGFs in Japanese samples. Since his original discovery, in vitro and in vivo tests have confirmed that hericenones and erinacines stimulate nerve regeneration. In 2009, researchers at the Hokuto Corporation and the Isogo Central and Neurosurgical Hospital published a small clinical study. Giving lion's mane to 30 Japanese patients with mild cognitive impairment resulted in significant benefits for as long as they consumed the mushrooms:
"The subjects of the Yamabushitake group took four 250 mg tablets containing 96 percent of Yamabushitake dry powder three times a day for 16 weeks. After termination of the intake, the subjects were observed for the next four weeks. At weeks eight, 12 and 16 of the trial, the Yamabushitake group showed significantly increased scores on the cognitive function scale compared with the placebo group. The Yamabushitake group's scores increased with the duration of intake, but at week four after the termination of the 16 weeks intake, the scores decreased significantly." (Mori, 2009)
Recently, mice were injected with neurotoxic peptides in an experiment to assess the effects of lion's mane on the type of amyloid plaque formation seen in Alzheimer's patients. The mice were then challenged in a standard "Y" maze, designed for testing memory. Mice fed with a normal diet were compared to those supplemented with lion's mane mushrooms. As the peptide-induced plaque developed, the mice lost the ability to memorize the maze. When these memory-impaired mice were fed a diet containing 5 percent dried lion's mane mushrooms for 23 days, the mice performed significantly better in the Y maze test. Interestingly, the mice regained another cognitive capacity, something comparable to curiosity, as measured by greater time spent exploring novel objects compared to familiar ones.
The reduction of beta amyloid plaques in the brains of mushroom-fed mice vs. the mice not fed any mushrooms was remarkable. The formation of amyloid plaques is what many researchers believe is a primary morphological biomarker associated with Alzheimer's. Plaques linked to beta amyloid peptide inflame brain tissue, interfere with healthy neuron transmission, and are indicated in nerve degeneration.
The medical community is bracing for an increase of patients with Alzheimer's and senile dementia as the baby boomer population ages. Mortality trends related to Alzheimer's are outpacing death rates of many other diseases. This makes preventive and curative treatments of age-related cognitive diseases hot subjects of research. In the past 10 years, deaths from Alzheimer's disease have surged roughly 66 percent, while deaths from other primary diseases have generally declined.
The influence of lion's mane influence on neurological functions may also have other added benefits -- making you feel good. In another small clinical study (n=30), post-menopausal women who consumed lion's mane baked into cookies vs. those without showed less anxiety and depression yet improved in their ability to concentrate (Nagano et al., 2010).
Dusty Yao with lion's mane cultivated three months from the time the wild specimen, featured in photograph, was collected.
Is this data conclusive thus far? No.
Is this data suggestive of positive outcomes? Absolutely.
In another small Japanese study with a randomized sample of 30 women, ingesting lion's mane showed that "HE intake has the possibility to reduce depression and anxiety, and these results suggest a different mechanism from NGF-enhancing action of H. erinaceus." (Nagano et al. 2010).
In light of the numerous diseases related to neurodegeneration, lion's mane deserves more clinical attention. If lion's mane enhances memory and is an antidepressant, can consuming this mushroom alter the course of Alzheimer's and other neurodegenerative diseases? Could this mushroom help Parkinson's patients or those with multiple sclerosis, or maybe maintain your mental acumen as you age? Lion's mane is a relatively inexpensive, easily-cultivated fungal food that may prove to be therapeutic in ways beyond being tasty.
Lion's mane may be our first "smart" mushroom. It is a safe, edible fungus that appears to confer cognitive benefits on our aging population. Unfortunately, lion's mane is not available in most grocery stores. But you can buy kits to grow them at home, and organic lion's mane supplements are available at some health food stores. If you are skilled enough and looking for adventure, you can forage for them by hunting in the hardwood forests of North America, Europe and Asia during the summer and fall.
You can see why lions's mane is one of our all time favourite medicinal mushrooms at SuperFeast HQ for increasing memory, nervous system repair and cognition. You can source high quality lion's mane mushroom extract here. If you are interested in taking your brain power to the next level, try our special nootropic blend - Neural Nectar. We also have a rad 21 Days of Brain Gains you're going to love!
Mason’s energy and intent for a long and happy life is infectious. A health educator at heart, he continues to pioneer the way for potent health and a robust personal practice. An avid sharer, connector, inspirer and philosophiser, Mason wakes up with a smile on his face, knowing that tonic herbs are changing lives. Mason is also the SuperFeast founder, daddy to Aiya and partner to Tahnee (General Manager at SuperFeast).
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