Gymnema Sylvestre: The “Sugar Destroyer”
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The Leaf That Stops Sugar From “Working”
Gymnema sylvestre, whose botanical name in Greek and Latin means “naked thread of the woods”, and is in various Indian languages referred to be names that translate as “sugar destroyer”, has the most prosaic name in Australia: the Australian cowplant.
In English it’s mostly called by the Greek “gymnema” though, so that’s what we’ll call it here.
You may be wondering: “the sugar destroyer?”
And no, it doesn’t actually destroy sugar. But it does do quite a bit of sugar-related stuff. Here’s the science for it…
Blocks sugar receptors in your tongue
This is what it is most well-known for, and it is a topical effect, so you won’t get this from a pill, but you will get this from the leaves, or from drinking it as a tea made from the leaves.
The effect last several hours, during which time your ability to taste sweetness will be reduced, which not only makes sweet foods less appealing because they’re no longer tasting sweet, but also, once you get used to it, when you actually do taste sweet foods, they will now taste too sweet.
So, it doesn’t just temporarily curb cravings; it offers a long-term escape from such, too.
You may be wondering: “what about artificially sweetened foods and drinks?”
And the answer is: yes, it blocks perception of the sweetness of those too:
Effects of sweetness perception and caloric value of a preload on short term intake ← this study used gymnema as the sweetness-blocker, testing sugary drinks, aspartame-sweetened drinks, and unsweetened drinks
Blocks sugar receptors in the gut, too
Long story short: this slows down the absorption of sugars from the gut, thus resulting in a gentler blood sugar curve, minimizing spikes, and (because of the body’s use of blood sugars as it goes) overall lower blood sugar levels.
Want the long version? Here it is:
Benefits beyond sugar-blocking
It also prevents the accumulation of triglycerides in muscles and the liver, as well as decreasing fatty acid accumulation in the blood. In simpler terms: it lowers LDL (“bad” cholesterol”, including VLDL). As a bonus, it increases HDL (“good” cholesterol) while it’s at it.
The vast majority of the studies for this are on rats and mice though, of which you can see very many listed in the “similar articles” under this systematic review of studies:
A systematic review of Gymnema sylvestre in obesity and diabetes management
We did find one good quality human RCT, testing gymnema along with several other treatments (they found that each worked, and/but using a combination yielded the best results):
(the title says “on weight loss”, but rest assured the study also gives information about its effects on total cholesterol, LDL, HDL, overall triglycerides, and serum leptin levels, as well as excretion of urinary fat metabolites—suffice it to say, they were thorough)
Is it safe?
It has a good safety profile in general, but if you are diabetic, proceed with caution and discuss it with your endocrinologist, since it will be affecting your blood sugar levels and insulin levels. While it’s probably not enough to replace metformin or similar, it is enough that taking it carelessly could result in an unexpected hypo.
Similarly, if you have any heart condition and especially if you are being treated for that with medication, do speak with your cardiologist since its antilipemic action could potentially lower your cholesterol more than expected, and doctors don’t like surprises.
As ever, no list of contraindications will be exhaustive, and we can’t speak for your specific situation, so checking with your pharmacist/doctor is always a good idea.
Want to try some?
We don’t sell it, but here for your convenience is an example product on Amazon ← we’ve linked to a tea version of it so you can enjoy the full effects; if you prefer capsule form, you can click through from there to shop around 😎
Enjoy!
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Change Your Brain, Change Your Life – by Dr. Daniel G. Amen
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To what extent can we change our brains, and to what extent are we stuck with what we have?
Dr. Amen tells us that being mindful of both ends of this is critical:
- Neuroplasticity means we can, indeed, change our brains
- We do, however, have fundamental “brain types” based on our neurochemistry and physical brain structure
He argues for the use of brain imaging technology to learn more about the latter… In order to better go about doing what we can with the former.
The book looks at how these different brain types can lead to situations where what works as a treatment for one person can often not work for another. It’s also prescriptive, about what sorts of treatments (and lifestyle adjustments) are more likely to do better for each.
Where the book excels is in giving ideas and pointers for exploration… Things to take to one’s doctor, and—for example—request certain tests, and then what to do with those.
Where the book is a little light is on including hard science in the explanations. The hard science is referred to, but is considered beyond the scope of the book, or perhaps beyond the interest of the reader. That’s unfortunate, as we’d have liked to have seen more of it, rather than taking claims at face value without evidence.
Bottom line: this is distinctly “pop science” in presentation, but can give a lot of great ideas for learning more about our own brains and brain health… And then optimizing such.
Click here to check out “Change Your Brain; Change Your Life” on Amazon today!
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Beyond Burger vs Beef Burger – Which is Healthier?
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Our Verdict
When comparing the Beyond Burger to a grass-fed beef burger, we picked the Beyond Burger—but it was very close.
Why?
The macronutrient profiles of the two are almost identical, including the amount of protein, the amount of fat, and the amount of that fat that’s saturated.
Where they stand apart is in two ways:
1) Red meat is classed as a group 2A carcinogen
2) The Beyond Burger contains more sodium (about 1/5 of the daily allowance according to the AHA, or 1/4 of the daily allowance according to the WHO)Neither of those things are great, so how to decide which is worse?
• Cancer and heart disease are both killers, with heart disease claiming more victims.
• However, we do need some sodium to live, whereas we don’t need carcinogens to live.Tie-breaker: the sodium content in the Beyond Burger is likely to be offset by the fact that it’s a fully seasoned burger and will be eaten as-is, whereas the beef burger will doubtlessly have seasonings added before it’s eaten—which may cause it to equal or even exceed the salt content of the Beyond Burger.
The cancer risk for the beef burger, meanwhile, stays one-sided.
One thing’s for sure though: neither of them are exactly a cornerstone of a healthy diet, and either are best enjoyed as an occasional indulgence.
Some further reading:
• Lesser-Known Salt Risks
• Food Choices And Cancer Risk
• Hypertension: Factors Far More Relevant Than SaltShare This Post
Mediterranean Air Fryer Cookbook – by Naomi Lane
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There are Mediterranean Diet cookbooks, and there are air fryer cookbooks. And then there are (a surprisingly large intersection of!) Mediterranean Diet air fryer cookbooks. We wanted to feature one of them in today’s newsletter… And as part of the selection process, looked through quite a stack of them, and honestly, were quite disappointed with many. This one, however, was one of the ones that stood out for its quality of both content and clarity, and after a more thorough reading, we now present it to you:
Naomi Lane is a professional dietician, chef, recipe developer, and food writer… And it shows, on all counts.
She covers what the Mediterranean diet is, and she covers far more than this reviewer knew it was even possible to know about the use of an air fryer. That alone would make the book a worthy purchase already.
The bulk of the book is the promised 200 recipes. They cover assorted dietary requirements (gluten-free, dairy-free, etc) while keeping to the Mediterranean Diet.
The recipes are super clear, just what you need to know, no reading through a nostalgic storytime first to find things. Also no pictures, which will be a plus for some readers and a minus for others. The recipes also come complete with nutritional information for each meal (including sodium), so you don’t have to do your own calculations!
Bottom line: this is the Mediterranean Diet air fryer cook book. Get it, thank us later!
Get your copy of “Mediterranean Air Fryer Cookbook” on Amazon today!
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The End of Food Allergy – by Dr. Kari Nadeau & Sloan Barnett
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We don’t usually mention author credentials beyond their occupation/title. However, in this case it bears acknowledging at least the first line of the author bio:
❝Kari Nadeau, MD, PhD, is the director of the Sean N. Parker Center for Allergy and Asthma Research at Stanford University and is one of the world’s leading experts on food allergy❞
We mention this, because there’s a lot of quack medicine out there [in general, but especially] when it comes to things such as food allergies. So let’s be clear up front that Dr. Nadeau is actually a world-class professional at the top of her field.
This book is, by the way, about true allergies—not intolerances or sensitivities. It does touch on those latter two, but it’s not the main meat of the book.
In particular, most of the research cited is around peanut allergies, though the usual other common allergens are all discussed too.
The authors’ writing style is that of a science educator (Dr. Nadeau’s co-author, Sloan Barnett, is lawyer and health journalist). We get a clear explanation of the science from real-world to clinic and back again, and are left with a strong understanding, not just a conclusion.
The titular “End of Food Allergy” is a bold implicit claim; does the book deliver? Yes, actually.
The book lays out guidelines for safely avoiding food allergies developing in infants, and yes, really, how to reverse them in adults. But…
Big caveat:
The solution for reversing severe food allergies (e.g. “someone nearby touched a peanut three hours ago and now I’m in anaphylactic shock”), drug-assisted oral immunotherapy, takes 6–24 months of weekly several-hour-long clinic visits, relies on having a nearby clinic offering the service, and absolutely 100% cannot be done at home (on pain of probable death).
Bottom line: it’s by no means a magic bullet, but yes, it does deliver.
Click here to check out The End of Food Allergy to learn more!
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Black Coffee vs Orange Juice – Which is Healthier?
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Our Verdict
When comparing black coffee to orange juice, we picked the coffee.
Why?
While this one isn’t a very like-for-like choice, it’s a choice often made, so it bears examining.
In favor of the orange juice, it has vitamins A and C and the mineral potassium, while the coffee contains no vitamins or minerals beyond trace amounts.
However, to offset that: drinking juice is one of the worst ways to consume sugar; the fruit has not only been stripped of its fiber, but also is in its most readily absorbable state (liquid), meaning that this is going to cause a blood sugar spike, which if done often can lead to insulin resistance, type 2 diabetes, non-alcoholic fatty liver disease, and more. Now, the occasional glass of orange juice (and resultant blood sugar spike) isn’t going to cause disease by itself, but everything we consume tips the scales of our health towards wellness or illness (or sometimes both, in different ways), and in this case, juice has a rather major downside that ought not be ignored.
In favor of the coffee, it has a lot of beneficial phytochemicals (mostly antioxidant polyphenols of various kinds), with no drawbacks worth mentioning unless you have a pre-existing condition of some kind.
Coffee can of course be caffeinated or decaffeinated, and we didn’t specify which here. Caffeine has some pros and cons that at worst, balance each other out, and whether or not it’s caffeinated, there’s nothing in coffee to offset the beneficial qualities of the antioxidants we mentioned before.
Obviously, in either case we are assuming consuming in moderation.
In short:
- orange juice has negatives that at least equal, if not outweigh, its positives
- coffee‘s benefits outweigh any drawbacks for most people
Want to learn more?
You might like to read:
- The Bitter Truth About Coffee (or is it?)
- Caffeine: Cognitive Enhancer Or Brain-Wrecker?
- Which Sugars Are Healthier, And Which Are Just The Same?
Take care!
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How To Avoid Slipping Into (Bad) Old Habits
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Treating Bad Habits Like Addictions
How often have you started a healthy new habit (including if it’s a “quit this previous thing” new habit), only to find that you slip back into your old ways?
We’ve written plenty on habit-forming before, so here’s a quick recap before we continue:
How To Really Pick Up (And Keep!) Those Habits
…and even how to give them a boost:
How To Keep On Keeping On… Long Term!
But how to avoid the relapses that are most likely to snowball?
Borrowing from the psychology of addiction recovery
It’s well known that someone recovering from substance addiction should not have even a small amount of the thing they were addicted to. Not one sip of champagne at a wedding, not one drag of a cigarette, and so forth.
This can go for other bad habits too; make one exception, and suddenly you have a whole string of “exceptions”, and before you know it, it’s not the exception anymore; it’s the new rule—again.
Three things that can help guard against this are:
- Absolutely refuse to romanticize the bad habit. Do not fall for its marketing! And yes, everything has marketing even if not advertising; for example, consider the Platonic ideal of a junk-food-eating couch-potato who is humble, unassuming, agreeable, the almost-holy idea of homely comfort, and why shouldn’t we be comfortable after all, haven’t we earned our chosen hedonism, and so on. It’s seductive, and we need to make the choice to not be seduced by it. In this case for example, yes pleasure is great, but being sick tired and destroying our bodies is not, in fact, pleasurable in the long run. Which brings us to…
- Absolutely refuse to forget why you dropped that behavior in the first place. Remember what it did to you, remember you at your worst. Remember what you feared might become of you if you continued like that. This is something where journaling helps, by the way; remembering our low points helps us to avoid finding ourselves in the same situation again.
- Absolutely refuse to let your guard down due to an overabundance of self-confidence in your future self. We all can easily feel that tomorrow is a mystical land in which all productivity is stored, and also where we are strong, energized, iron-willed, and totally able to avoid making the very mistakes that we are right now in the progress of making. Instead, be that strong person now, for the benefit of tomorrow’s you. Because after all, if it’s going to be easy tomorrow, it’s easy now, right?
The above is a very simple, hopefully practical, set of rules to follow. If you like hard science more though, Yale’s Dr. Steven Melemis offers five rules (aimed more directly at addiction recovery, so this may be a big “heavy guns” for some milder habits):
- change your life
- be completely honest
- ask for help
- practice self-care
- don’t bend the rules
You can read his full paper and the studies it’s based on, here:
Relapse Prevention and the Five Rules of Recovery
“What if I already screwed up?”
Draw a line under it, now, and move forwards in the direction you actually want to go.
Here’s a good article, that saves us taking up more space here; it’s very well-written so we do recommend it:
The Abstinence Violation Effect and Overcoming It
this article gives specific, practical advices, including CBT tools to use
Take care!
Don’t Forget…
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