Tribulus Terrestris For Testosterone?
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(Clinical) Trials and Tribul-ations
In the category of supplements that have enjoyed use as aphrodisiacs, Tribulus terrestris (also called caltrop, goat’s head, gokshura, or puncture vine) has a long history, having seen wide use in both Traditional Chinese Medicine and in Ayurveda.
It’s been used for other purposes too, and has been considered a “general wellness” plant.
So, what does the science say?
Good news: very conclusive evidence!
Bad news: the conclusion is not favorable…
Scientists are known for their careful use of clinical language, and it’s very rare for a study/review to claim something as proven (scientists leave journalists to do that part), and in this case, when it comes to Tribulus’s usefulness as a testosterone-enhancing libido-boosting supplement…
❝analysis of empirical evidence from a comprehensive review of available literature proved this hypothesis wrong❞
Strong words! You can read it in full here; they do make some concessions along the way (e.g. mentioning unclear or contradictory findings, suggesting that it may have some effect, but by an as-yet unknown mechanism if it does—although some potential effect on nitric oxide levels has been hypothesized, which is reasonable if so, as NO does feature in arousal-signalling), but the general conclusion is “no, this doesn’t have androgen-enhancing properties”:
Pro-sexual and androgen enhancing effects of Tribulus terrestris L.: Fact or Fiction
That’s a review though, what about taking a look at a representative RCT? Here we go:
❝Tribulus terrestris was not more effective than placebo on improving symptoms of erectile dysfunction or serum total testosterone❞
As a performance-enhancer in sport
We’ll be brief here: it doesn’t seem to work and it may not be safe:
Insights into Supplements with Tribulus Terrestris used by Athletes
From sport, into general wellness?
Finally, a study that finds it may be useful for something!
❝Overall, participants supplemented with TT displayed significant improvements in lipid profile. Inflammatory and hematological biomarkers showed moderate beneficial effects with no significant changes on renal biomarkers. No positive effects were observed on the immune system response. Additionally, no TT-induced toxicity was reported.
In conclusion, there was no clear evidence of the beneficial effects of TT supplementation on muscle damage markers and hormonal behavior.❞
About those lipids…
Animal studies have shown that it may not only improve lipid profiles, but also may partially repair the endothelial dysfunction resulting from hyperlipidemia:
Want to try some?
In the unlikely event that today’s research review has inspired you with an urge to try Tribulus terrestris, here’s an example product on Amazon
If on the other hand you’d like to actually increase testosterone levels, then we suggest:
Topping Up Testosterone? ← a previous main feature did earlier this year
Take care!
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How To Recover Quickly From A Stomach Bug
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How To Recover Quickly From A Stomach Bug
Is it norovirus, or did you just eat something questionable? We’re not doctors, let alone your doctors, and certainly will not try to diagnose from afar. And as ever, if unsure and/or symptoms don’t go away or do get worse, seek professional medical advice.
That out of the way, we can give some very good general-purpose tips for this one…
Help your immune system to help you
So far as you can, you want a happy healthy immune system. For the most part, we’d recommend the following things:
Beyond Supplements: The Real Immune-Boosters!
…but you probably don’t want to be exercising with a stomach bug, so perhaps sit that one out. Exercise is the preventative; what you need right now is rest.
Hydrate—but watch out
Hydration is critical for recovery especially if you have diarrhea, but drinking too much water too quickly will just make things worse. Great options for getting good hydration more slowly are:
- Peppermint tea
- (peppermint also has digestion-settling properties)
- Ginger tea
- See also: Ginger Does A Lot More Than You Think
- Broths
- These will also help replenish your sodium and other nutrients, gently. Chicken soup for your stomach, and all that. A great plant-based option is sweetcorn soup.
- By broths, we mean clear(ish) water-based soups. This is definitely not the time for creamier soups.
❝Milk and dairy products should be avoided for 24 to 48 hours as they can make diarrhea worse.
Initial dietary choices when refeeding should begin with soups and broth.❞
Source: American College of Gastroenterology
Other things to avoid
Caffeine stimulates the digestion in a way that can make things worse.
Fat is more difficult to digest, and should also be avoided until feeling better.
To medicate or not to medicate?
Loperamide (also known by the brand name Imodium) is generally safe when used as directed.
Click here to see its uses, dosage, side effects, and contraindications
Antibiotics may be necessary for certain microbial infections, but should not be anyone’s first-choice treatment unless advised otherwise by your doctor/pharmacist.
Note that if your stomach bug is not something that requires antibiotics, then taking antibiotics can actually make it worse as the antibiotics wipe out your gut bacteria that were busy helping fight whatever’s going wrong in there:
- Facing a new challenge: the adverse effects of antibiotics on gut microbiota and host immunity
- Antibiotics as major disruptors of gut microbiota
- Microbiotoxicity: antibiotic usage and its unintended harm to the microbiome
A gentler helper
If you want to give your “good bacteria” a hand while giving pathogens a harder time of it, then a much safer home remedy is a little (seriously, do not over do it; we are talking 1–2 tablespoons, or around 20ml) apple cider vinegar, taken diluted in a glass of water.
❝Several studies indicate apple cider vinegar (ACV)’s usefulness in lowering postprandial glycemic response, specifically by slowing of gastric motility❞
(Slowing gastric motility is usually exactly what you want in the case of a stomach bug, and apple cider vinegar)
See also:
- Antimicrobial activity of apple cider vinegar against Escherichia coli, Staphylococcus aureus and Candida albicans
- Antibacterial apple cider vinegar eradicates methicillin resistant Staphylococcus aureus and resistant Escherichia coli
Take care!
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- Peppermint tea
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Habits of a Happy Brain – by Dr. Loretta Graziano Breuning
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There are lots of books on “happy chemicals” and “how to retrain your brain”, so what makes this one different?
Firstly, it focuses on four “happy chemicals”, not just one:
- Serotonin
- Dopamine
- Oxytocin
- Endorphins
It also looks at the role of cortisol, and how it caps off each of those just a little bit, to keep us just a little malcontent.
Behavioral psychology tends to focus most on dopamine, while prescription pharmaceuticals for happiness (i.e., most antidepressants) tend to focus on serotonin. Here, Dr. Breuning helps us understand the complex interplay of all of the aforementioned chemicals.
She also clears up many misconceptions, since a lot of people misattribute the functions of each of these.
Common examples include “I’m doing this for the serotonin!” when the activity is dopaminergic not serotoninergic, or considering dopamine “the love molecule” when oxytocin, or even something else like phenylethylamine would be more appropriate.
The above may seem like academic quibbles and not something of practical use, but if we want to biohack our brains, we need to do better than the equivalent of a chef who doesn’t know the difference between salt and sugar.
Where things are of less practical use, she tends to skip over or at least streamline them. For example, she doesn’t really discuss the role of post-dopamine prolactin in men—but the discussion of post-happiness cortisol covers the same ground anyway, for practical purposes.
Dr. Breuning also looks at where our evolved neurochemical responses go wrong, and lays out guidelines for such challenges as overcoming addiction, or embracing delayed gratification.
Bottom line: this book is a great user-manual for the brain. If you’d like to be happier and more effective with fewer bad habits, this is the book for you.
Click here to check out Habits of a Happy Brain, and get biohacking yours!
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The Starch Solution – by Dr. John McDougall & Mary McDougall
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Carb-strong or carb-wrong? We’ve written about this ourselves before, and it comes down to clarifying questions of what and how and why. Even within the general field of carbs, even within the smaller field of starch, not all foods are equal. A slice of white bread and a baked potato are both starchy, but the latter also contains fiber, vitamins, minerals, and suchlike.
The authors make the case for a whole-foods plant-based diet in which one need not shy away from starchy foods in general; one simply must enjoy them discriminately—whole grains, and root vegetables that have not been processed to Hell and back, for examples.
The style is “old-school pop-sci” but with modern science; claims are quite well-sourced throughout, with nine pages of bibliography at the end. Right after the ninety-nine pages of recipes!
Bottom line: if you’re a carb-enjoyer, all is definitely not lost healthwise, and in fact on the contrary, this can be the foundation of a very healthy and nutrient-rich diet.
Click here to check out The Starch Solution, and enjoy the foods you love, healthily!
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Peas vs Broad Beans – Which is Healthier?
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Our Verdict
When comparing peas to broad beans, we picked the peas.
Why?
Both are great of course, but…
Looking at the macros to start with, peas have more protein and more fiber. The differences aren’t huge, but they are clear.
In terms of vitamins, peas have more of vitamins A, B1, B2, B3, B5, B6, B9, E, K, and choline (some with very large margins, some with small), while broad beans contain a little more vitamin C (the margin is quite narrow though).
When it comes to minerals, peas have more calcium, copper, iron, magnesium, manganese, phosphorus, potassium, selenium, and zinc, while broad beans have more sodium. So this category wasn’t close.
Adding up the win from each of the categories makes for a clear triple-win for peas.
Easy-peasy!
Want to learn more?
You might like to read:
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Parent Effectiveness Training – by Dr. Thomas Gordon
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Do you want your home (or workplace, for that matter) to be a place of peace? This book literally got the author nominated for a Nobel Peace Prize. Can’t really get much higher praise than that.
The title is “Parent Effectiveness Training”, but in reality, the advice in the book is applicable to all manner of relationships, including:
- romantic relationships
- friends
- colleagues
- …and really any human interaction.
It covers some of the same topics we did today (and more) in much more detail than we ever could in a newsletter. It lays out formulae to use, gives plenty of examples, and/but is free from undue padding.
- Pros: this isn’t one of those “should have been an article” books. It has so much valuable content.
- Cons: It is from the 1970s* so examples may feel “dated” now.
In addition to going into much more detail on some of the topics covered in today’s issue of 10almonds, Dr. Gordon also talks in-depth about the concept of “problem-ownership”.
In a nutshell, that means: whose problem is a given thing? Who “has” what problem? Everyone needs to be on the same page about everyone else’s problems in the situation… as well as their own, which is not always a given!
Dr. Gordon presents, in short, tools not just to resolve conflict, but also to pre-empt it entirely. With these techniques, we can identify and deal with problems (together!) well before they arise.
Everybody wins.
Get your copy of “Parent Effectiveness Training” from Amazon today!
*Note: There is an updated edition on the market, and that’s what you’ll find upon following the above link. This reviewer (hi!) has a battered old paperback from the 1970s and cannot speak for what was changed in the new edition. However: if the 70s one is worth more than its weight in gold (and it is), the new edition is surely just as good, if not better!
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4 Tips To Stand Without Using Hands
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The “sit-stand” test, getting up off the floor without using one’s hands, is well-recognized as a good indicator of healthy aging, and predictor of longevity. But what if you can’t do it? Rather than struggling, there are exercises to strengthen the body to be able to do this vital movement.
Step by step
Teresa Shupe has been teaching Pilates professionally full-time for over 25 years, and here’s what she has to offer in the category of safe and effective ways of improving balance and posture while doing the sitting-to-standing movement:
- Squat! Doing squats (especially deep ones) regularly strengthens all the parts necessary to effectively complete this movement. If your knees aren’t up to it at first, do the squats with your back against a wall to start with.
- Roll! On your back, cross your feet as though preparing to stand, and rock-and-roll your body forwards. To start with you can “cheat” and use your fingertips to give a slight extra lift. This exercise builds mobility in the various necessary parts of the body, and also strengthens the core—as well as getting you accustomed to using your bodyweight to move your body forwards.
- Lift! This one’s focusing on that last part, and taking it further. Because it may be difficult to get enough momentum initially, you can practice by holding small weights in your hands, to shift your centre of gravity forwards a bit. Unlike many weights exercises, in this case you’re going to transition to holding less weight rather than more, though.
- Complete! Continue from the above, without weights now; use the blades of your feet to stand. If you need to, use your fingertips to give you a touch more lift and stability, and reduce the fingers that you use until you are using none.
For more on each of these as well as a visual demonstration, enjoy this short video:
Click Here If The Embedded Video Doesn’t Load Automatically!
Further reading
For more exercises with a similar approach, check out:
Mobility As A Sporting Pursuit
Take care!
Don’t Forget…
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