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:

Effect of Extended Release Gymnema Sylvestre Leaf Extract (Beta Fast GXR) Alone or In Combination With Oral Hypoglycemics or Insulin Regimens for Type 1 and Type 2 Diabetes

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):

Effects of a natural extract of (-)-hydroxycitric acid (HCA-SX) and a combination of HCA-SX plus niacin-bound chromium and Gymnema sylvestre extract on weight loss

(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.

An Evidence-Based Systematic Review of Gymnema (Gymnema sylvestre R. Br.) by the Natural Standard Research Collaboration

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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  • Inverse Vaccines for Autoimmune Diseases

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    Inverse Vaccines for Autoimmune Diseases

    This is Dr. Jeffrey Hubbell. He’s a molecular engineer, with a focus on immunotherapy, immune response, autoimmune diseases, and growth factor variants.

    He’s held 88 patents, and was the recipient of the Society for Biomaterials’ Founders Award for his “long-term, landmark contributions to the discipline of biomaterials”, amongst other awards and honours that would make our article too long if we included them all.

    And, his latest research has been about developing…

    Inverse Vaccines

    You may be thinking: “you mean diseases; he’s engineering diseases?”

    And no, it’s not that. Here’s how it works:

    Normally in the case of vaccine, it’s something to tell the body “hey, if you see something that looks like this, you should kill it on sight” and the body goes “ok, preparing countermeasures according to these specifications; thanks for the heads-up”

    In the case of an inverse vaccine, it’s the inverse. It’s something to tell the body “hey, this thing you seem to think is a threat, it’s actually not, and you should leave it alone”.

    Why this matters for people with autoimmune diseases

    Normally, autoimmune diseases are treated in one or more of the following ways:

    • Dampen the entire immune system (bad for immunity against actual diseases, obviously, and is part of why many immunocompromised people have suffered and died disproportionately from COVID, for example)
    • Give up and find a workaround (a good example of this is Type 1 Diabetes, and just giving up on the pancreas not being constantly at war with itself, and living on exogenous insulin instead)

    Neither of those are great.

    What inverse vaccines do is offer a way to flag the attacked-in-error items as acceptable things to have in the body. Those might be things that are in our body by default, as in the case of many autoimmune diseases, or they may even be external items that should be allowed but aren’t, as in the case of gluten, in the context of Celiac disease.

    The latest research is not yet accessible for free, alas, but you can read the abstract here:

    Synthetically glycosylated antigens for the antigen-specific suppression of established immune responses

    Or if you prefer a more accessible pop-science approach, here’s a great explanatory article:

    “Inverse vaccine” shows potential to treat multiple sclerosis and other autoimmune diseases

    Where can we get such inverse vaccines?

    ❝There are no clinically approved inverse vaccines yet, but we’re incredibly excited about moving this technology forward❞

    ~ Dr. Jeffrey Hubbell

    But! Lest you be disappointed, you can get in line already, in the case of the Celiac disease inverse vaccine, if you’d like to be part of their clinical trial:

    Click here to see if you are eligible to be part of their clinical trial

    If you’re not up for that, or if your autoimmune disease is something else (most of the rest of their research is presently focusing on Multiple Sclerosis and Type 1 Diabetes), then:

    • The phase 1 MS trial is currently active, estimated completion in summer 2024.
    • They are in the process of submitting an investigational new drug (IND) application for Type 1 Diabetes
      • This is the first step to starting clinical safety and efficacy trials

    …so, watch this space!

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  • Nutritional Profiles to Recipes

    10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.

    It’s Q&A Day at 10almonds!

    Have a question or a request? We love to hear from you!

    In cases where we’ve already covered something, we might link to what we wrote before, but will always be happy to revisit any of our topics again in the future too—there’s always more to say!

    As ever: if the question/request can be answered briefly, we’ll do it here in our Q&A Thursday edition. If not, we’ll make a main feature of it shortly afterwards!

    So, no question/request too big or small

    ❝I like the recipes. Most don’t seem to include nutritional profile. would lilke to see that. Macro/micro world…. Thank you❞

    We’re glad you’re enjoying them! There are a couple of reasons why we don’t, but the reasons can be aggregated into one (admittedly rare) concept: honesty

    To even try to give you these figures, we’d first need to use the metric system (or at least, a strictly mass-based system) which would likely not go well with our largely American readership, because “half a bulb of garlic, or more if you like”, and “1 cucumber” or “1 cup chopped carrot” could easily way half or twice as much, depending on the sizes of the vegetables or the chopping involved, and in the case of chopped vegetables measured by the cup, even the shape of the cup (because of geometry and the spaces left; it’s like Tetris in there). We can say “4 cups low-sodium broth” but we can’t say how much sodium is in your broth. And so on.

    And that’s without getting into the flexibility we offer with substitutions, often at a rate of several per recipe.

    We’d also need to strictly regulate your portion sizes for you, because we (with few exceptions, such as when they are a given number of burger patties, or a dessert-in-a-glass, etc) give you a recipe for a meal and leave it to you how you divide it and whether there’s leftovers.

    Same goes for things like “Extra virgin olive oil for frying”; a recipe could say to use “2 tbsp” but let’s face it, you’re going to use what you need to use, and that’s going to change based on the size of your pan, how quickly it’s absorbed into the specific ingredients that you got, which will change depending on how fresh they are, and things like that.

    By the time we’ve factored in your different kitchen equipment, how big your vegetables are, the many factors effecting how much oil you need, substitutions per recipe per making something dairy-free, or gluten-free, or nut-free, etc, how big your portion size is (we all know that “serves 4” is meaningless in reality)… Even an estimated average would be wildly misleading.

    So, in a sea of recipes saying “500 kcal per serving” from the same authors who say you can caramelize onions in 4–5 minutes “or until caramelized” and then use the 4–5 minutes figure for calculating the overall recipe time… We prefer to stay honest.

    PS: for any wondering, caramelizing onions takes closer to 45 minutes than 4–5 minutes, and again will depend on many factors, including the onions, how finely you chopped them, the size and surface of your pan, the fat you’re using, whether you add sugar, what kind, how much you stir them, the mood of your hob, and the phase of the moon. Under very favorable circumstances, it could conceivably be rushed in 20 minutes or so, but it could also take 60. Slow-cooking them (i.e. in a crock pot) over 3–4 hours is a surprisingly viable “cheat” option, by the way. It’ll take longer, obviously, but provided you plan in advance, they’ll be ready when you need them, and perfectly done (the same claim cannot be made if you budgeted 4–5 minutes because you trusted a wicked and deceitful author who wants to poop your party).

    Take care!

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  • Latest Alzheimer’s Prevention Research Updates

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    Questions and Answers at 10almonds

    Have a question or a request? You can always hit “reply” to any of our emails, or use the feedback widget at the bottom!

    This newsletter has been growing a lot lately, and so have the questions/requests, and we love that! In cases where we’ve already covered something, we might link to what we wrote before, but will always be happy to revisit any of our topics again in the future too—there’s always more to say!

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    So, no question/request too big or small

    I am now in the “aging” population. A great concern for me is Alzheimers. My father had it and I am so worried. What is the latest research on prevention?

    One good thing to note is that while Alzheimer’s has a genetic component, it doesn’t appear to be hereditary per se. Still, good to be on top of these things, and it’s never too early to start with preventive measures!

    You might like a main feature we did on this recently:

    See: How To Reduce Your Alzheimer’s Risk

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    We urge you to overlook the cliché cover art (we don’t know what they were thinking, going for the headless suited torso) because…

    This one could be the best investment you make in your career this year! You may be wondering what the titular 7 principles are. We won’t keep you guessing; they are:

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  • Tiramisu Crunch Bites

    10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.

    It’s coffee, it’s creamy, it’s nutty, it’s chocolatey, what’s not to love? It has all the well-loved flavors of tiramisu, but this recipe is a simple one, and it’s essentially stuffed dates in a way you’ve never had them before. They’re delectable, decadent, and decidedly good for your health. These things are little nutrient-bombs that’ll keep you reaching for more.

    You will need

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    (we suggest you read everything at least once before doing anything)

    1) Take the mascarpone and whisk (or blend) it with the coffee. What kind of coffee, you ask? Many will use instant coffee (1tbsp granules mixed with enough boiling water to dissolve it), and that is actually healthiest (counterintuitive but true) but if you care for flavor over health, and have the means to make espresso, make it ristretto (so, stop it halfway through filling up an espresso cup), let it cool, and use that. Absolute bonus for flavor (not for health): if you have the means to make Turkish coffee, use an equivalent amount of that (again, cooled).

    You will now have coffee-flavoured mascarpone. It’s great for your gut and full of antioxidant polyphenols. Set it aside for the moment.

    2) Take the dark chocolate and melt it. Please don’t microwave it or try to do it in a pan directly over the hob; instead, you will need to use a Bain-Marie. If you don’t have one made-for-purpose, you can place a metal or heatproof glass bowl in a saucepan, with something to stop it from touching the floor of the pan. Then boil water in the pan (without letting the water get into the bowl), and melt the chocolate in the bowl—this will allow you to melt it evenly without burning the chocolate.

    You will now have melted dark chocolate. It has its own set of polyphenols, and is great for everything from the brain to the gut microbiome.

    3) Cut the dates lengthways on one side and remove the stone. Stuff them carefully with the coffee-flavored mascarpone (you can use a teaspoon, or use a piping kit if you have one). Add a couple of almonds to each one. Place them all on a big plate, and drizzle the melted chocolate over them. Add the petals if you have them.

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    4) Chill them in the fridge for about 30 minutes.

    Serve!

    Learn more

    For those interested in some of the science of what we have going on today:

    Enjoy!

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